#631351

Closest named color: Grape Purple (#5D1451). oklch(35.1% 0.132 338.9), rgb(99, 19, 81).

Aa

White text reads best on this color (12.05:1).

About this color

#631351 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.132 and its hue 339°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.013 away. White text reads best on it, at 12.05:1.

Hue familyPurples
Lightnessdark (35%)
Chromamoderately saturated (0.132)
Temperaturewarm
Nearest nameGrape Purple (#5D1451)
Black text1.74:1
White text12.05:1

Values

HEX#631351
RGBrgb(99, 19, 81)
HSLhsl(313, 68%, 23%)
OKLCHoklch(35.1% 0.132 338.9)

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 #631351 12.05:1 AAA Lc -100.2 Preferred for body text
Black text on #631351 1.74:1 Fails Lc 7.4 Not readable
#631351 text on white 12.05:1 AAA Lc 96.5 Preferred for body text
#631351 text on black 1.74:1 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

    #F8E3F0

    oklch(93.6% 0.028 340)

  3. Step 200

    200

    #F3CCE5

    oklch(88.6% 0.055 339.6)

  4. Step 300

    300

    #ECA8D6

    oklch(81% 0.099 339.1)

  5. Step 400

    400

    #DF76C1

    oklch(70.8% 0.158 339)

  6. Step 500

    500

    #D34BB1

    oklch(63.1% 0.203 339)

  7. Step 600

    600

    #BE249D

    oklch(55.6% 0.22 338.9)

  8. Step 700

    700

    #A31286

    oklch(49.1% 0.204 338.8)

  9. Step 800

    800

    #85156D

    oklch(42.7% 0.17 338.9)

  10. Step 900

    900 (this color)

    #631351

    oklch(35.1% 0.132 338.9)

  11. Step 950

    950

    #3F1234

    oklch(27% 0.084 338.5)

Export this scale for Tailwind in the Tailwind colors tool

#631351 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)#182E530.145
Deuteranopia (no green cones)#333B4F0.125
Tritanopia (no blue cones)#6917300.063
Achromatopsia (no color)#3636360.133

Harmonies

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

Complementary

The opposite hue (180°).

  • #631351

    #631351

    oklch(35.1% 0.132 338.9)

  • #00472B

    #00472B

    oklch(35.1% 0.08 159.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #631351

    #631351

    oklch(35.1% 0.132 338.9)

  • #4F1F6D

    #4F1F6D

    oklch(35.1% 0.132 309.4)

  • #6E0A2C

    #6E0A2C

    oklch(35.1% 0.131 9)

Open the analogous palette in the generator

Split complementary

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

  • #631351

    #631351

    oklch(35.1% 0.132 338.9)

  • #2B4300

    #2B4300

    oklch(35% 0.093 128.9)

  • #004541

    #004541

    oklch(35.2% 0.061 188.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #631351

    #631351

    oklch(35.1% 0.132 338.9)

  • #443B00

    #443B00

    oklch(35.1% 0.073 99.7)

  • #004251

    #004251

    oklch(35% 0.063 219.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #631351

    #631351

    oklch(35.1% 0.132 338.9)

  • #543200

    #543200

    oklch(35.1% 0.077 69)

  • #00472B

    #00472B

    oklch(35.1% 0.08 159.2)

  • #003D6A

    #003D6A

    oklch(35.2% 0.096 248.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #631351, closest first.

No curated palette has a color within ΔE 0.04 of #631351.

Similar named colors

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

Use #631351 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.