#631857
Closest named color: Grape Purple (#5D1451). oklch(35.9% 0.13 335.2), rgb(99, 24, 87).
Aa
White text reads best on this color (11.67:1).
About this color
#631857 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.130 and its hue 335°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.018 away. White text reads best on it, at 11.67:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.79:1 |
| White text | 11.67:1 |
Values
| HEX | #631857 |
| RGB | rgb(99, 24, 87) |
| HSL | hsl(310, 61%, 24%) |
| OKLCH | oklch(35.9% 0.13 335.2) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #631857 | 11.67:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #631857 | 1.79:1 | Fails | Lc 8.0 | Not readable |
| #631857 text on white | 11.67:1 | AAA | Lc 95.9 | Preferred for body text |
| #631857 text on black | 1.79:1 | 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.
-
Step 50
50
#FBF2F9
oklch(97% 0.013 333)
-
Step 100
100
#F7E3F1
oklch(93.6% 0.028 336.4)
-
Step 200
200
#F1CCE7
oklch(88.5% 0.054 335.7)
-
Step 300
300
#E9A9DA
oklch(81% 0.098 335.1)
-
Step 400
400
#DB77C7
oklch(70.7% 0.158 335.1)
-
Step 500
500
#CE4EB8
oklch(63% 0.2 335.1)
-
Step 600
600
#B929A4
oklch(55.5% 0.218 335)
-
Step 700
700
#9F198C
oklch(49% 0.202 335.2)
-
Step 800
800
#811972
oklch(42.6% 0.168 334.9)
-
Step 900
900 (this color)
#631857
oklch(35.9% 0.13 335.2)
-
Step 950
950
#3E1336
oklch(27.1% 0.083 335.6)
#631857 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #183159 | 0.141 |
| Deuteranopia (no green cones) | #323C55 | 0.121 |
| Tritanopia (no blue cones) | #681E35 | 0.066 |
| Achromatopsia (no color) | #383838 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631857
#631857
oklch(35.9% 0.13 335.2)
- #004A27
#004A27
oklch(35.9% 0.089 154.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #631857, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.018
- Rich Purple #720058 ΔE 0.036
- Velvet #750851 ΔE 0.041
- Plum Purple #4E0550 ΔE 0.060
- Merlot #730039 ΔE 0.062
- Deep Violet #490648 ΔE 0.072
- Red Purple #820747 ΔE 0.073
- Wine #80013F ΔE 0.075
Use #631857 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.