#631751

Closest named color: Grape Purple (#5D1451). oklch(35.5% 0.127 339.1), rgb(99, 23, 81).

Aa

White text reads best on this color (11.85:1).

About this color

#631751 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.127 and its hue 339°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.015 away. White text reads best on it, at 11.85:1.

Hue familyPurples
Lightnessdark (35%)
Chromamoderately saturated (0.127)
Temperaturewarm
Nearest nameGrape Purple (#5D1451)
Black text1.77:1
White text11.85:1

Values

HEX#631751
RGBrgb(99, 23, 81)
HSLhsl(314, 62%, 24%)
OKLCHoklch(35.5% 0.127 339.1)

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 #631751 11.85:1 AAA Lc -99.9 Preferred for body text
Black text on #631751 1.77:1 Fails Lc 7.7 Not readable
#631751 text on white 11.85:1 AAA Lc 96.2 Preferred for body text
#631751 text on black 1.77:1 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 900.

  1. Step 50

    50

    #FCF2F8

    oklch(97.1% 0.013 340.5)

  2. Step 100

    100

    #F7E3F0

    oklch(93.6% 0.028 338.6)

  3. Step 200

    200

    #F2CCE5

    oklch(88.5% 0.054 338.8)

  4. Step 300

    300

    #EAA9D5

    oklch(80.9% 0.095 339)

  5. Step 400

    400

    #DD78C0

    oklch(70.8% 0.152 339)

  6. Step 500

    500

    #D14FAF

    oklch(63.1% 0.195 339.4)

  7. Step 600

    600

    #BC2A9B

    oklch(55.6% 0.212 339.1)

  8. Step 700

    700

    #A11A84

    oklch(49% 0.197 339.1)

  9. Step 800

    800

    #831A6B

    oklch(42.6% 0.163 339.3)

  10. Step 900

    900 (this color)

    #631751

    oklch(35.5% 0.127 339.1)

  11. Step 950

    950

    #3E1333

    oklch(26.9% 0.08 338.9)

Export this scale for Tailwind in the Tailwind colors tool

#631751 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)#1B30530.140
Deuteranopia (no green cones)#343C4F0.121
Tritanopia (no blue cones)#691A320.059
Achromatopsia (no color)#3737370.128

Harmonies

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

Complementary

The opposite hue (180°).

  • #631751

    #631751

    oklch(35.5% 0.127 339.1)

  • #00482C

    #00482C

    oklch(35.4% 0.081 159.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #631751

    #631751

    oklch(35.5% 0.127 339.1)

  • #4F226D

    #4F226D

    oklch(35.5% 0.128 308.9)

  • #6E102D

    #6E102D

    oklch(35.5% 0.127 9.4)

Open the analogous palette in the generator

Split complementary

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

  • #631751

    #631751

    oklch(35.5% 0.127 339.1)

  • #2C4500

    #2C4500

    oklch(35.6% 0.095 129.2)

  • #004642

    #004642

    oklch(35.5% 0.062 188.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #631751

    #631751

    oklch(35.5% 0.127 339.1)

  • #453C00

    #453C00

    oklch(35.5% 0.074 99.8)

  • #004352

    #004352

    oklch(35.4% 0.064 218.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #631751

    #631751

    oklch(35.5% 0.127 339.1)

  • #553300

    #553300

    oklch(35.4% 0.077 69.4)

  • #00482C

    #00482C

    oklch(35.4% 0.081 159.5)

  • #003D6C

    #003D6C

    oklch(35.4% 0.098 249.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #631751, closest first.

No curated palette has a color within ΔE 0.04 of #631751.

Similar named colors

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

Use #631751 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.