#631F60
Closest named color: Grape Purple (#5D1451). oklch(37.2% 0.128 329.6), rgb(99, 31, 96).
Aa
White text reads best on this color (11.07:1).
About this color
#631F60 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.128 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.033 away. White text reads best on it, at 11.07:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.89:1 |
| White text | 11.07:1 |
Values
| HEX | #631F60 |
| RGB | rgb(99, 31, 96) |
| HSL | hsl(303, 52%, 25%) |
| OKLCH | oklch(37.2% 0.128 329.6) |
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 #631F60 | 11.07:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #631F60 | 1.89:1 | Fails | Lc 9.0 | Not readable |
| #631F60 text on white | 11.07:1 | AAA | Lc 94.9 | Preferred for body text |
| #631F60 text on black | 1.89:1 | Fails | Lc -7.7 | 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
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F5E4F3
oklch(93.7% 0.027 329.5)
-
Step 200
200
#EECDEA
oklch(88.5% 0.053 330)
-
Step 300
300
#E4AADF
oklch(80.8% 0.097 329.3)
-
Step 400
400
#D57ACE
oklch(70.7% 0.154 329.9)
-
Step 500
500
#C753C1
oklch(63.1% 0.196 329.7)
-
Step 600
600
#B230AE
oklch(55.5% 0.214 329.3)
-
Step 700
700
#992095
oklch(49% 0.199 329.6)
-
Step 800
800
#7C1F79
oklch(42.7% 0.164 329.4)
-
Step 900
900 (this color)
#631F60
oklch(37.2% 0.128 329.6)
-
Step 950
950
#3B1439
oklch(26.9% 0.082 329.6)
#631F60 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) | #193662 | 0.134 |
| Deuteranopia (no green cones) | #313F5E | 0.116 |
| Tritanopia (no blue cones) | #67273C | 0.071 |
| Achromatopsia (no color) | #3C3C3C | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631F60
#631F60
oklch(37.2% 0.128 329.6)
- #004E1F
#004E1F
oklch(37% 0.103 149.6)
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 #631F60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.033
- Rich Purple #720058 ΔE 0.043
- Velvet #750851 ΔE 0.049
- Plum Purple #4E0550 ΔE 0.070
- Merlot #730039 ΔE 0.076
- Red Purple #820747 ΔE 0.079
- Royal Purple #4B006E ΔE 0.080
- Purple #800080 ΔE 0.082
Use #631F60 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.