#631C69
Closest named color: Grape Purple (#5D1451). oklch(37.4% 0.141 324.6), rgb(99, 28, 105).
Aa
White text reads best on this color (11.04:1).
About this color
#631C69 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.141 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 0.044 away. White text reads best on it, at 11.04:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.90:1 |
| White text | 11.04:1 |
Values
| HEX | #631C69 |
| RGB | rgb(99, 28, 105) |
| HSL | hsl(295, 58%, 26%) |
| OKLCH | oklch(37.4% 0.141 324.6) |
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 #631C69 | 11.04:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #631C69 | 1.90:1 | Fails | Lc 9.2 | Not readable |
| #631C69 text on white | 11.04:1 | AAA | Lc 94.7 | Preferred for body text |
| #631C69 text on black | 1.90:1 | Fails | Lc -7.9 | 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
#F5E3F5
oklch(93.5% 0.031 325.8)
-
Step 200
200
#EDCDEF
oklch(88.5% 0.057 324.2)
-
Step 300
300
#E3A9E7
oklch(80.9% 0.106 324.3)
-
Step 400
400
#D378DA
oklch(70.7% 0.168 324.5)
-
Step 500
500
#C64ED0
oklch(63.1% 0.215 324.6)
-
Step 600
600
#B126BD
oklch(55.5% 0.235 324.4)
-
Step 700
700
#9814A3
oklch(49.1% 0.218 324.5)
-
Step 800
800
#7C1784
oklch(42.7% 0.181 324.7)
-
Step 900
900 (this color)
#631C69
oklch(37.4% 0.141 324.6)
-
Step 950
950
#3B133E
oklch(27.1% 0.089 324.9)
#631C69 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) | #08366B | 0.146 |
| Deuteranopia (no green cones) | #2A3F67 | 0.125 |
| Tritanopia (no blue cones) | #652940 | 0.083 |
| Achromatopsia (no color) | #3C3C3C | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631C69
#631C69
oklch(37.4% 0.141 324.6)
- #00500E
#00500E
oklch(37.5% 0.119 144.5)
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 #631C69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.044
- Rich Purple #720058 ΔE 0.048
- Velvet #750851 ΔE 0.058
- Royal Purple #4B006E ΔE 0.071
- Purple #800080 ΔE 0.071
- Plum Purple #4E0550 ΔE 0.072
- Indigo #4B0082 ΔE 0.082
- Deep Violet #490648 ΔE 0.088
Use #631C69 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.