#301657

Closest named color: Dark Indigo (#1F0954). oklch(27.9% 0.111 296.9), rgb(48, 22, 87).

Aa

White text reads best on this color (15.23:1).

About this color

#301657 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.111 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.047 away. White text reads best on it, at 15.23:1.

Hue familyPurples
Lightnessdark (28%)
Chromamoderately saturated (0.111)
Temperaturein between
Nearest nameDark Indigo (#1F0954)
Black text1.37:1
White text15.23:1

Values

HEX#301657
RGBrgb(48, 22, 87)
HSLhsl(264, 60%, 21%)
OKLCHoklch(27.9% 0.111 296.9)

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 #301657 15.23:1 AAA Lc -104.5 Preferred for body text
Black text on #301657 1.37:1 Fails Lc 0.0 Not readable
#301657 text on white 15.23:1 AAA Lc 101.7 Preferred for body text
#301657 text on black 1.37:1 Fails Lc 0.0 Not readable

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 950.

  1. Step 50

    50

    #F6F3FF

    oklch(97% 0.016 297.5)

  2. Step 100

    100

    #ECE6FF

    oklch(93.7% 0.034 296.7)

  3. Step 200

    200

    #DDD1FF

    oklch(88.5% 0.064 297)

  4. Step 300

    300

    #C8B2FF

    oklch(81% 0.109 297)

  5. Step 400

    400

    #AD85FF

    oklch(70.7% 0.175 296.8)

  6. Step 500

    500

    #9C5EFF

    oklch(63.1% 0.228 297.1)

  7. Step 600

    600

    #8C23FF

    oklch(55.6% 0.282 296.9)

  8. Step 700

    700

    #7800E0

    oklch(49.1% 0.266 297)

  9. Step 800

    800

    #620DB7

    oklch(42.8% 0.224 297)

  10. Step 900

    900

    #4F1C90

    oklch(37.7% 0.174 297)

  11. Step 950

    950 (this color)

    #301657

    oklch(27.9% 0.111 296.9)

Export this scale for Tailwind in the Tailwind colors tool

#301657 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)#0026590.072
Deuteranopia (no green cones)#0025560.072
Tritanopia (no blue cones)#2626340.086
Achromatopsia (no color)#2525250.112

Harmonies

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

Complementary

The opposite hue (180°).

  • #301657

    #301657

    oklch(27.9% 0.111 296.9)

  • #272C00

    #272C00

    oklch(27.8% 0.064 116.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #301657

    #301657

    oklch(27.9% 0.111 296.9)

  • #10215E

    #10215E

    oklch(27.9% 0.111 266.8)

  • #430B44

    #430B44

    oklch(27.9% 0.111 327.3)

Open the analogous palette in the generator

Split complementary

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

  • #301657

    #301657

    oklch(27.9% 0.111 296.9)

  • #352600

    #352600

    oklch(27.9% 0.057 86)

  • #00330C

    #00330C

    oklch(28% 0.084 146.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #301657

    #301657

    oklch(27.9% 0.111 296.9)

  • #411E00

    #411E00

    oklch(27.9% 0.068 56.4)

  • #003128

    #003128

    oklch(28% 0.052 176.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #301657

    #301657

    oklch(27.9% 0.111 296.9)

  • #520205

    #520205

    oklch(27.8% 0.11 26.8)

  • #272C00

    #272C00

    oklch(27.8% 0.064 116.3)

  • #002F34

    #002F34

    oklch(27.9% 0.048 206)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #301657, closest first.

Similar named colors

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

Use #301657 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.