#631368
Closest named color: Grape Purple (#5D1451). oklch(36.5% 0.15 325.4), rgb(99, 19, 104).
Aa
White text reads best on this color (11.51:1).
About this color
#631368 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.150 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.041 away. White text reads best on it, at 11.51:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.82:1 |
| White text | 11.51:1 |
Values
| HEX | #631368 |
| RGB | rgb(99, 19, 104) |
| HSL | hsl(296, 69%, 24%) |
| OKLCH | oklch(36.5% 0.15 325.4) |
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 #631368 | 11.51:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #631368 | 1.82:1 | Fails | Lc 8.6 | Not readable |
| #631368 text on white | 11.51:1 | AAA | Lc 95.3 | Preferred for body text |
| #631368 text on black | 1.82:1 | Fails | Lc -7.3 | 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
#FBF2FB
oklch(97.1% 0.015 325.7)
-
Step 100
100
#F6E3F6
oklch(93.7% 0.032 325.8)
-
Step 200
200
#EFCBF0
oklch(88.4% 0.063 325.3)
-
Step 300
300
#E6A7E8
oklch(80.9% 0.112 325.5)
-
Step 400
400
#D873DD
oklch(70.7% 0.182 325.5)
-
Step 500
500
#CB46D3
oklch(63.2% 0.23 325.5)
-
Step 600
600
#B614C0
oklch(55.6% 0.25 325.4)
-
Step 700
700
#9C00A4
oklch(49.1% 0.229 325.7)
-
Step 800
800
#7F0986
oklch(42.7% 0.193 325.5)
-
Step 900
900 (this color)
#631368
oklch(36.5% 0.15 325.4)
-
Step 950
950
#3C103F
oklch(26.9% 0.096 325.2)
#631368 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) | #00336A | 0.157 |
| Deuteranopia (no green cones) | #273C66 | 0.134 |
| Tritanopia (no blue cones) | #65233D | 0.087 |
| Achromatopsia (no color) | #393939 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631368
#631368
oklch(36.5% 0.15 325.4)
- #004D11
#004D11
oklch(36.5% 0.114 145.3)
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 #631368, closest first.
No curated palette has a color within ΔE 0.04 of #631368.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.041
- Rich Purple #720058 ΔE 0.044
- Velvet #750851 ΔE 0.058
- Royal Purple #4B006E ΔE 0.064
- Plum Purple #4E0550 ΔE 0.065
- Purple #800080 ΔE 0.071
- Indigo #4B0082 ΔE 0.078
- Deep Violet #490648 ΔE 0.082
Use #631368 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.