#631563
Closest named color: Grape Purple (#5D1451). oklch(36.4% 0.144 328), rgb(99, 21, 99).
Aa
White text reads best on this color (11.55:1).
About this color
#631563 is a dark, vivid purple. In OKLCH its lightness is 36%, its chroma 0.144 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 11.55:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.81:1 |
| White text | 11.55:1 |
Values
| HEX | #631563 |
| RGB | rgb(99, 21, 99) |
| HSL | hsl(300, 65%, 24%) |
| OKLCH | oklch(36.4% 0.144 328) |
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 #631563 | 11.55:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #631563 | 1.81:1 | Fails | Lc 8.4 | Not readable |
| #631563 text on white | 11.55:1 | AAA | Lc 95.5 | Preferred for body text |
| #631563 text on black | 1.81:1 | 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
#F6E3F5
oklch(93.6% 0.031 327.4)
-
Step 200
200
#F0CCED
oklch(88.6% 0.059 328.7)
-
Step 300
300
#E7A8E4
oklch(81% 0.107 328.1)
-
Step 400
400
#D875D6
oklch(70.7% 0.172 327.9)
-
Step 500
500
#CC49CB
oklch(63.2% 0.221 328.1)
-
Step 600
600
#B71DB8
oklch(55.6% 0.24 327.9)
-
Step 700
700
#9D069E
oklch(49.1% 0.223 328)
-
Step 800
800
#801080
oklch(42.7% 0.185 328.2)
-
Step 900
900 (this color)
#631563
oklch(36.4% 0.144 328)
-
Step 950
950
#3D113C
oklch(27% 0.092 328.7)
#631563 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) | #043365 | 0.155 |
| Deuteranopia (no green cones) | #2B3C61 | 0.129 |
| Tritanopia (no blue cones) | #66223B | 0.080 |
| Achromatopsia (no color) | #393939 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631563
#631563
oklch(36.4% 0.144 328)
- #004C1A
#004C1A
oklch(36.3% 0.105 148.1)
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 #631563, closest first.
No curated palette has a color within ΔE 0.04 of #631563.
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 0.062
- Royal Purple #4B006E ΔE 0.068
- Purple #800080 ΔE 0.076
- Deep Violet #490648 ΔE 0.078
- Merlot #730039 ΔE 0.081
Use #631563 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.