#631972
Closest named color: Grape Purple (#5D1451). oklch(37.7% 0.153 320.2), rgb(99, 25, 114).
Aa
White text reads best on this color (10.98:1).
About this color
#631972 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.153 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 10.98:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.91:1 |
| White text | 10.98:1 |
Values
| HEX | #631972 |
| RGB | rgb(99, 25, 114) |
| HSL | hsl(290, 64%, 27%) |
| OKLCH | oklch(37.7% 0.153 320.2) |
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 #631972 | 10.98:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #631972 | 1.91:1 | Fails | Lc 9.5 | Not readable |
| #631972 text on white | 10.98:1 | AAA | Lc 94.4 | Preferred for body text |
| #631972 text on black | 1.91:1 | Fails | Lc -8.2 | 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
#E2A8EE
oklch(80.9% 0.115 320.5)
-
Step 400
400
#D275E6
oklch(70.7% 0.184 320.3)
-
Step 500
500
#C448DE
oklch(63% 0.234 320.2)
-
Step 600
600
#B018CC
oklch(55.7% 0.255 320.2)
-
Step 700
700
#9700B0
oklch(49.2% 0.236 320.3)
-
Step 800
800
#7A0D8F
oklch(42.7% 0.196 319.9)
-
Step 900
900 (this color)
#631972
oklch(37.7% 0.153 320.2)
-
Step 950
950
#3A1143
oklch(27% 0.097 319.9)
#631972 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 | 0.150 |
| Deuteranopia (no green cones) | #223F70 | 0.133 |
| Tritanopia (no blue cones) | #632B44 | 0.094 |
| Achromatopsia (no color) | #3C3C3C | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631972
#631972
oklch(37.7% 0.153 320.2)
- #125000
#125000
oklch(37.7% 0.122 140.2)
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 #631972, 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
- Purple #800080 ΔE 0.065
- Royal Purple #4B006E ΔE 0.065
- Velvet #750851 ΔE 0.071
- Indigo #4B0082 ΔE 0.071
- Rebecca Purple #663399 ΔE 0.078
- Plum Purple #4E0550 ΔE 0.079
Use #631972 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.