#631763
Closest named color: Grape Purple (#5D1451). oklch(36.5% 0.142 328), rgb(99, 23, 99).
Aa
White text reads best on this color (11.45:1).
About this color
#631763 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.142 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.033 away. White text reads best on it, at 11.45:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.83:1 |
| White text | 11.45:1 |
Values
| HEX | #631763 |
| RGB | rgb(99, 23, 99) |
| HSL | hsl(300, 62%, 24%) |
| OKLCH | oklch(36.5% 0.142 328) |
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 #631763 | 11.45:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #631763 | 1.83:1 | Fails | Lc 8.5 | Not readable |
| #631763 text on white | 11.45:1 | AAA | Lc 95.4 | Preferred for body text |
| #631763 text on black | 1.83:1 | Fails | Lc 0.0 | 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
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F6E3F4
oklch(93.6% 0.03 329.1)
-
Step 200
200
#EFCCED
oklch(88.5% 0.058 327.9)
-
Step 300
300
#E6A8E3
oklch(80.8% 0.106 328.1)
-
Step 400
400
#D876D5
oklch(70.8% 0.169 328.3)
-
Step 500
500
#CB4BCA
oklch(63.2% 0.217 328.1)
-
Step 600
600
#B621B7
oklch(55.6% 0.236 327.9)
-
Step 700
700
#9C0D9D
oklch(49% 0.219 328)
-
Step 800
800
#7F137F
oklch(42.7% 0.182 328.2)
-
Step 900
900 (this color)
#631763
oklch(36.5% 0.142 328)
-
Step 950
950
#3C123C
oklch(27% 0.089 327.7)
#631763 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) | #083365 | 0.152 |
| Deuteranopia (no green cones) | #2C3D61 | 0.127 |
| Tritanopia (no blue cones) | #66233B | 0.080 |
| Achromatopsia (no color) | #3A3A3A | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631763
#631763
oklch(36.5% 0.142 328)
- #004D1A
#004D1A
oklch(36.6% 0.106 147.9)
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 #631763, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.033
- Rich Purple #720058 ΔE 0.040
- Velvet #750851 ΔE 0.051
- Plum Purple #4E0550 ΔE 0.063
- Royal Purple #4B006E ΔE 0.070
- Purple #800080 ΔE 0.076
- Deep Violet #490648 ΔE 0.079
- Merlot #730039 ΔE 0.081
Use #631763 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.