#51275F
Closest named color: Grape Purple (#5D1451). oklch(35.5% 0.104 317), rgb(81, 39, 95).
Aa
White text reads best on this color (11.63:1).
About this color
#51275F is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.104 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 0.046 away. White text reads best on it, at 11.63:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.80:1 |
| White text | 11.63:1 |
Values
| HEX | #51275F |
| RGB | rgb(81, 39, 95) |
| HSL | hsl(285, 42%, 26%) |
| OKLCH | oklch(35.5% 0.104 317) |
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 #51275F | 11.63:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #51275F | 1.80:1 | Fails | Lc 7.5 | Not readable |
| #51275F text on white | 11.63:1 | AAA | Lc 96.4 | Preferred for body text |
| #51275F text on black | 1.80:1 | 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
#E5D1EC
oklch(88.5% 0.042 317.4)
-
Step 300
300
#D5B1E2
oklch(80.8% 0.078 317)
-
Step 400
400
#C087D4
oklch(70.7% 0.125 317)
-
Step 500
500
#AF67C8
oklch(63.1% 0.158 316.9)
-
Step 600
600
#9B4BB5
oklch(55.7% 0.174 317.1)
-
Step 700
700
#843C9B
oklch(49.2% 0.16 317.2)
-
Step 800
800
#6B327E
oklch(42.7% 0.133 316.9)
-
Step 900
900 (this color)
#51275F
oklch(35.5% 0.104 317)
-
Step 950
950
#331B3B
oklch(27% 0.065 317.2)
#51275F 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) | #1A3661 | 0.095 |
| Deuteranopia (no green cones) | #283A5E | 0.084 |
| Tritanopia (no blue cones) | #51303F | 0.067 |
| Achromatopsia (no color) | #393939 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51275F
#51275F
oklch(35.5% 0.104 317)
- #1E4704
#1E4704
oklch(35.4% 0.103 136.8)
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 #51275F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.046
- Plum Purple #4E0550 ΔE 0.064
- Royal Purple #4B006E ΔE 0.070
- Deep Violet #490648 ΔE 0.073
- Rich Purple #720058 ΔE 0.080
- Velvet #750851 ΔE 0.084
- Indigo #4B0082 ΔE 0.085
- Dark Slate Blue #483D8B ΔE 0.087
Use #51275F 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.