#55256D
Closest named color: Grape Purple (#5D1451). oklch(36.7% 0.125 312.6), rgb(85, 37, 109).
Aa
White text reads best on this color (11.21:1).
About this color
#55256D is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.125 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.056 away. White text reads best on it, at 11.21:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.87:1 |
| White text | 11.21:1 |
Values
| HEX | #55256D |
| RGB | rgb(85, 37, 109) |
| HSL | hsl(280, 49%, 29%) |
| OKLCH | oklch(36.7% 0.125 312.6) |
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 #55256D | 11.21:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #55256D | 1.87:1 | Fails | Lc 8.5 | Not readable |
| #55256D text on white | 11.21:1 | AAA | Lc 95.4 | Preferred for body text |
| #55256D text on black | 1.87:1 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#F0E5F7
oklch(93.6% 0.027 312.6)
-
Step 200
200
#E5D0F2
oklch(88.5% 0.051 312.6)
-
Step 300
300
#D6AFEC
oklch(80.9% 0.094 313.1)
-
Step 400
400
#C082E3
oklch(70.6% 0.151 312.5)
-
Step 500
500
#B05FDB
oklch(63.1% 0.192 312.3)
-
Step 600
600
#9C40C8
oklch(55.6% 0.208 312.7)
-
Step 700
700
#8530AD
oklch(49.1% 0.194 312.5)
-
Step 800
800
#6C2A8C
oklch(42.7% 0.16 312.5)
-
Step 900
900 (this color)
#55256D
oklch(36.7% 0.125 312.6)
-
Step 950
950
#331842
oklch(26.9% 0.08 311.9)
#55256D 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) | #07386F | 0.114 |
| Deuteranopia (no green cones) | #203C6B | 0.100 |
| Tritanopia (no blue cones) | #523345 | 0.085 |
| Achromatopsia (no color) | #3B3B3B | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55256D
#55256D
oklch(36.7% 0.125 312.6)
- #284900
#284900
oklch(36.6% 0.102 132.6)
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 #55256D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.056
- Royal Purple #4B006E ΔE 0.061
- Indigo #4B0082 ΔE 0.067
- Plum Purple #4E0550 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.074
- Rich Purple #720058 ΔE 0.079
- Rebecca Purple #663399 ΔE 0.084
- Deep Violet #490648 ΔE 0.086
Use #55256D 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.