#51255F
Closest named color: Grape Purple (#5D1451). oklch(35.2% 0.107 317.3), rgb(81, 37, 95).
Aa
White text reads best on this color (11.79:1).
About this color
#51255F is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.107 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.043 away. White text reads best on it, at 11.79:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.77:1 |
| White text | 11.79:1 |
Values
| HEX | #51255F |
| RGB | rgb(81, 37, 95) |
| HSL | hsl(286, 44%, 26%) |
| OKLCH | oklch(35.2% 0.107 317.3) |
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 #51255F | 11.79:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #51255F | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #51255F text on white | 11.79:1 | AAA | Lc 96.7 | Preferred for body text |
| #51255F text on black | 1.77:1 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F4
oklch(93.5% 0.023 317.1)
-
Step 200
200
#E6D0ED
oklch(88.4% 0.046 318)
-
Step 300
300
#D6B1E3
oklch(80.9% 0.08 317.2)
-
Step 400
400
#C186D5
oklch(70.7% 0.128 317.3)
-
Step 500
500
#B165CA
oklch(63.2% 0.165 317.3)
-
Step 600
600
#9C49B6
oklch(55.6% 0.178 317.4)
-
Step 700
700
#85399D
oklch(49% 0.167 317.2)
-
Step 800
800
#6C307F
oklch(42.6% 0.138 317.3)
-
Step 900
900 (this color)
#51255F
oklch(35.2% 0.107 317.3)
-
Step 950
950
#341A3C
oklch(27% 0.069 317.8)
#51255F 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) | #173561 | 0.099 |
| Deuteranopia (no green cones) | #27395E | 0.087 |
| Tritanopia (no blue cones) | #512E3E | 0.068 |
| Achromatopsia (no color) | #383838 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51255F
#51255F
oklch(35.2% 0.107 317.3)
- #1B4700
#1B4700
oklch(35.3% 0.107 137.2)
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 #51255F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.043
- Plum Purple #4E0550 ΔE 0.059
- Royal Purple #4B006E ΔE 0.066
- Deep Violet #490648 ΔE 0.070
- Rich Purple #720058 ΔE 0.079
- Indigo #4B0082 ΔE 0.082
- Velvet #750851 ΔE 0.083
- Eggplant Purple #430541 ΔE 0.084
Use #51255F 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.