#631765
Closest named color: Grape Purple (#5D1451). oklch(36.7% 0.143 326.9), rgb(99, 23, 101).
Aa
White text reads best on this color (11.40:1).
About this color
#631765 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.143 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.036 away. White text reads best on it, at 11.40:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.84:1 |
| White text | 11.40:1 |
Values
| HEX | #631765 |
| RGB | rgb(99, 23, 101) |
| HSL | hsl(298, 63%, 24%) |
| OKLCH | oklch(36.7% 0.143 326.9) |
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 #631765 | 11.40:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #631765 | 1.84:1 | Fails | Lc 8.6 | Not readable |
| #631765 text on white | 11.40:1 | AAA | Lc 95.3 | Preferred for body text |
| #631765 text on black | 1.84:1 | Fails | Lc -7.4 | 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
#F6E3F5
oklch(93.6% 0.031 327.4)
-
Step 200
200
#EFCCEE
oklch(88.5% 0.059 327)
-
Step 300
300
#E6A8E5
oklch(80.9% 0.108 327)
-
Step 400
400
#D776D8
oklch(70.8% 0.171 326.8)
-
Step 500
500
#CA4ACD
oklch(63.1% 0.22 326.9)
-
Step 600
600
#B51FBA
oklch(55.6% 0.239 326.7)
-
Step 700
700
#9C0AA0
oklch(49.1% 0.222 327)
-
Step 800
800
#7F1282
oklch(42.8% 0.185 327)
-
Step 900
900 (this color)
#631765
oklch(36.7% 0.143 326.9)
-
Step 950
950
#3C123D
oklch(27% 0.09 326.8)
#631765 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) | #043467 | 0.153 |
| Deuteranopia (no green cones) | #2A3D63 | 0.129 |
| Tritanopia (no blue cones) | #66243D | 0.081 |
| Achromatopsia (no color) | #3A3A3A | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631765
#631765
oklch(36.7% 0.143 326.9)
- #004D17
#004D17
oklch(36.6% 0.109 146.9)
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 #631765, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.036
- Rich Purple #720058 ΔE 0.042
- Velvet #750851 ΔE 0.053
- Plum Purple #4E0550 ΔE 0.065
- Royal Purple #4B006E ΔE 0.068
- Purple #800080 ΔE 0.074
- Deep Violet #490648 ΔE 0.081
- Indigo #4B0082 ΔE 0.083
Use #631765 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.