#6837CD

Closest named color: Bluey Purple (#6241C7). oklch(49% 0.215 291.3), rgb(104, 55, 205).

Aa

White text reads best on this color (6.96:1).

About this color

#6837CD is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.215 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.021 away. White text reads best on it, at 6.96:1.

Hue familyPurples
Lightnessmedium-dark (49%)
Chromavivid (0.215)
Temperaturein between
Nearest nameBluey Purple (#6241C7)
Black text3.01:1
White text6.96:1

Values

HEX#6837CD
RGBrgb(104, 55, 205)
HSLhsl(260, 60%, 51%)
OKLCHoklch(49% 0.215 291.3)

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 #6837CD 6.96:1 AA Lc -88.3 Fine for body text
Black text on #6837CD 3.01:1 AA large text Lc 20.8 Dividers and decoration only
#6837CD text on white 6.96:1 AA Lc 83.2 Fine for body text
#6837CD text on black 3.01:1 AA large text Lc -18.7 Dividers and decoration only

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 700.

  1. Step 50

    50

    #F5F4FE

    oklch(97.1% 0.013 290.8)

  2. Step 100

    100

    #E9E7FD

    oklch(93.6% 0.03 290)

  3. Step 200

    200

    #D9D3FD

    oklch(88.5% 0.058 291.7)

  4. Step 300

    300

    #C1B5FF

    oklch(81% 0.104 291.3)

  5. Step 400

    400

    #A38AFF

    oklch(70.7% 0.167 291.4)

  6. Step 500

    500

    #8F67FD

    oklch(63% 0.213 291.4)

  7. Step 600

    600

    #7B48EC

    oklch(55.6% 0.231 291.2)

  8. Step 700

    700 (this color)

    #6837CD

    oklch(49% 0.215 291.3)

  9. Step 800

    800

    #5530A6

    oklch(42.8% 0.178 291.4)

  10. Step 900

    900

    #452D84

    oklch(37.8% 0.139 291)

  11. Step 950

    950

    #281B4D

    oklch(26.9% 0.088 291.3)

Export this scale for Tailwind in the Tailwind colors tool

#6837CD 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)#005CD10.117
Deuteranopia (no green cones)#0056CA0.114
Tritanopia (no blue cones)#465F7F0.170
Achromatopsia (no color)#5959590.216

Harmonies

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

Complementary

The opposite hue (180°).

  • #6837CD

    #6837CD

    oklch(49% 0.215 291.3)

  • #636500

    #636500

    oklch(48.9% 0.107 111.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6837CD

    #6837CD

    oklch(49% 0.215 291.3)

  • #0152D7

    #0152D7

    oklch(49% 0.215 261.3)

  • #931BA7

    #931BA7

    oklch(48.9% 0.215 321.2)

Open the analogous palette in the generator

Split complementary

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

  • #6837CD

    #6837CD

    oklch(49% 0.215 291.3)

  • #7D5900

    #7D5900

    oklch(48.9% 0.101 81.2)

  • #157500

    #157500

    oklch(49% 0.162 141.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6837CD

    #6837CD

    oklch(49% 0.215 291.3)

  • #974600

    #974600

    oklch(49% 0.128 50.9)

  • #007159

    #007159

    oklch(48.8% 0.095 171.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6837CD

    #6837CD

    oklch(49% 0.215 291.3)

  • #B60029

    #B60029

    oklch(49% 0.197 21.4)

  • #636500

    #636500

    oklch(48.9% 0.107 111.1)

  • #006E74

    #006E74

    oklch(49% 0.083 201.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6837CD, closest first.

No curated palette has a color within ΔE 0.04 of #6837CD.

Similar named colors

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

Use #6837CD 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.