#55276F
Closest named color: Grape Purple (#5D1451). oklch(37.1% 0.124 311.3), rgb(85, 39, 111).
Aa
White text reads best on this color (11.01:1).
About this color
#55276F is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.124 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.061 away. White text reads best on it, at 11.01:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.90:1 |
| White text | 11.01:1 |
Values
| HEX | #55276F |
| RGB | rgb(85, 39, 111) |
| HSL | hsl(278, 48%, 29%) |
| OKLCH | oklch(37.1% 0.124 311.3) |
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 #55276F | 11.01:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #55276F | 1.90:1 | Fails | Lc 8.9 | Not readable |
| #55276F text on white | 11.01:1 | AAA | Lc 95.0 | Preferred for body text |
| #55276F text on black | 1.90:1 | Fails | Lc -7.6 | 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
#E4D0F3
oklch(88.5% 0.052 310.8)
-
Step 300
300
#D4B0ED
oklch(80.9% 0.092 311.1)
-
Step 400
400
#BF83E4
oklch(70.7% 0.15 311.5)
-
Step 500
500
#AE60DC
oklch(63.1% 0.19 311.2)
-
Step 600
600
#9A42C9
oklch(55.7% 0.206 311.4)
-
Step 700
700
#8332AE
oklch(49.1% 0.192 311.2)
-
Step 800
800
#6B2B8D
oklch(42.7% 0.16 311.5)
-
Step 900
900 (this color)
#55276F
oklch(37.1% 0.124 311.3)
-
Step 950
950
#331942
oklch(27.1% 0.078 311.5)
#55276F 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) | #093A71 | 0.111 |
| Deuteranopia (no green cones) | #203D6D | 0.098 |
| Tritanopia (no blue cones) | #523547 | 0.085 |
| Achromatopsia (no color) | #3C3C3C | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55276F
#55276F
oklch(37.1% 0.124 311.3)
- #2C4A00
#2C4A00
oklch(37.1% 0.101 131)
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 #55276F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.061
- Royal Purple #4B006E ΔE 0.064
- Indigo #4B0082 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.069
- Plum Purple #4E0550 ΔE 0.078
- Rebecca Purple #663399 ΔE 0.080
- Rich Purple #720058 ΔE 0.082
- Blueberry #464196 ΔE 0.088
Use #55276F 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.