#631772
Closest named color: Grape Purple (#5D1451). oklch(37.6% 0.155 320.3), rgb(99, 23, 114).
Aa
White text reads best on this color (11.07:1).
About this color
#631772 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.155 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.058 away. White text reads best on it, at 11.07:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.89:1 |
| White text | 11.07:1 |
Values
| HEX | #631772 |
| RGB | rgb(99, 23, 114) |
| HSL | hsl(290, 66%, 27%) |
| OKLCH | oklch(37.6% 0.155 320.3) |
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 #631772 | 11.07:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #631772 | 1.89:1 | Fails | Lc 9.4 | Not readable |
| #631772 text on white | 11.07:1 | AAA | Lc 94.5 | Preferred for body text |
| #631772 text on black | 1.89:1 | Fails | Lc -8.1 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F4E3F8
oklch(93.6% 0.033 319.8)
-
Step 200
200
#EDCCF4
oklch(88.5% 0.065 320.3)
-
Step 300
300
#E2A8EF
oklch(80.9% 0.116 320.1)
-
Step 400
400
#D274E7
oklch(70.6% 0.186 320.1)
-
Step 500
500
#C546DF
oklch(63% 0.238 320.3)
-
Step 600
600
#B113CD
oklch(55.7% 0.258 320.3)
-
Step 700
700
#9700B0
oklch(49.2% 0.236 320.3)
-
Step 800
800
#7B098F
oklch(42.7% 0.198 320.4)
-
Step 900
900 (this color)
#631772
oklch(37.6% 0.155 320.3)
-
Step 950
950
#3A1143
oklch(27% 0.097 319.9)
#631772 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) | #003774 | 0.152 |
| Deuteranopia (no green cones) | #213E70 | 0.135 |
| Tritanopia (no blue cones) | #632A44 | 0.094 |
| Achromatopsia (no color) | #3C3C3C | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631772
#631772
oklch(37.6% 0.155 320.3)
- #114F00
#114F00
oklch(37.4% 0.121 140.4)
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 #631772, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.058
- Rich Purple #720058 ΔE 0.058
- Royal Purple #4B006E ΔE 0.064
- Purple #800080 ΔE 0.064
- Indigo #4B0082 ΔE 0.070
- Velvet #750851 ΔE 0.071
- Plum Purple #4E0550 ΔE 0.078
- Rebecca Purple #663399 ΔE 0.080
Use #631772 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.