#A37CEF

Closest named color: Periwinkle (#8E82FE). oklch(67.4% 0.167 297.4), rgb(163, 124, 239).

Aa

Black text reads best on this color (6.68:1).

About this color

#A37CEF is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.167 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.039 away. Black text reads best on it, at 6.68:1.

Hue familyPurples
Lightnessmedium-light (67%)
Chromavivid (0.167)
Temperaturein between
Nearest namePeriwinkle (#8E82FE)
Black text6.68:1
White text3.14:1

Values

HEX#A37CEF
RGBrgb(163, 124, 239)
HSLhsl(260, 78%, 71%)
OKLCHoklch(67.4% 0.167 297.4)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #A37CEF 3.14:1 AA large text Lc -63.7 Content text, not long reading
Black text on #A37CEF 6.68:1 AA Lc 45.8 Large or bold text, headings
#A37CEF text on white 3.14:1 AA large text Lc 58.3 Large or bold text, headings
#A37CEF text on black 6.68:1 AA Lc -43.5 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.

  1. Step 50

    50

    #F6F4FE

    oklch(97.2% 0.013 295.3)

  2. Step 100

    100

    #ECE6FC

    oklch(93.6% 0.03 298.3)

  3. Step 200

    200

    #DDD2FC

    oklch(88.6% 0.058 297.2)

  4. Step 300

    300

    #C8B2FC

    oklch(80.8% 0.105 297.7)

  5. Step 400

    400 (this color)

    #A37CEF

    oklch(67.4% 0.167 297.4)

  6. Step 500

    500

    #9B62F8

    oklch(63.1% 0.215 297.4)

  7. Step 600

    600

    #8742E6

    oklch(55.6% 0.232 297.5)

  8. Step 700

    700

    #7331C8

    oklch(49.1% 0.216 297.6)

  9. Step 800

    800

    #5D2BA2

    oklch(42.7% 0.179 297.3)

  10. Step 900

    900

    #4C2A80

    oklch(37.7% 0.138 297.5)

  11. Step 950

    950

    #2C1A4B

    oklch(27% 0.087 297.1)

Export this scale for Tailwind in the Tailwind colors tool

#A37CEF with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#5592F30.107
Deuteranopia (no green cones)#5E90EC0.099
Tritanopia (no blue cones)#9392AA0.133
Achromatopsia (no color)#9191910.168

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #A37CEF

    #A37CEF

    oklch(67.4% 0.167 297.4)

  • #90A200

    #90A200

    oklch(67.4% 0.156 117.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A37CEF

    #A37CEF

    oklch(67.4% 0.167 297.4)

  • #698FFC

    #698FFC

    oklch(67.4% 0.167 267.4)

  • #CB6CCB

    #CB6CCB

    oklch(67.3% 0.168 327.2)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #A37CEF

    #A37CEF

    oklch(67.4% 0.167 297.4)

  • #BA9000

    #BA9000

    oklch(67.4% 0.138 87.8)

  • #3CB155

    #3CB155

    oklch(67.4% 0.167 147.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A37CEF

    #A37CEF

    oklch(67.4% 0.167 297.4)

  • #DE7700

    #DE7700

    oklch(67.2% 0.162 57.2)

  • #00AF95

    #00AF95

    oklch(67.4% 0.125 177)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A37CEF

    #A37CEF

    oklch(67.4% 0.167 297.4)

  • #EB665B

    #EB665B

    oklch(67.3% 0.167 27.2)

  • #90A200

    #90A200

    oklch(67.4% 0.156 117.4)

  • #00AABB

    #00AABB

    oklch(67.5% 0.116 207.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A37CEF, closest first.

No curated palette has a color within ΔE 0.04 of #A37CEF.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #A37CEF in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.