#57286E
Closest named color: Grape Purple (#5D1451). oklch(37.5% 0.122 313), rgb(87, 40, 110).
Aa
White text reads best on this color (10.85:1).
About this color
#57286E is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.122 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 0.059 away. White text reads best on it, at 10.85:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.93:1 |
| White text | 10.85:1 |
Values
| HEX | #57286E |
| RGB | rgb(87, 40, 110) |
| HSL | hsl(280, 47%, 29%) |
| OKLCH | oklch(37.5% 0.122 313) |
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 #57286E | 10.85:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #57286E | 1.93:1 | Fails | Lc 9.2 | Not readable |
| #57286E text on white | 10.85:1 | AAA | Lc 94.7 | Preferred for body text |
| #57286E text on black | 1.93:1 | Fails | Lc -7.9 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
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
#D5B0EB
oklch(80.9% 0.09 312.7)
-
Step 400
400
#C083E1
oklch(70.6% 0.147 312.9)
-
Step 500
500
#B060D8
oklch(63.1% 0.187 313.1)
-
Step 600
600
#9C42C6
oklch(55.7% 0.204 313.1)
-
Step 700
700
#8532AB
oklch(49.1% 0.19 313)
-
Step 800
800
#6C2B8A
oklch(42.7% 0.157 313.2)
-
Step 900
900 (this color)
#57286E
oklch(37.5% 0.122 313)
-
Step 950
950
#331941
oklch(27% 0.077 312.4)
#57286E 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) | #0F3B70 | 0.111 |
| Deuteranopia (no green cones) | #243E6C | 0.097 |
| Tritanopia (no blue cones) | #553547 | 0.082 |
| Achromatopsia (no color) | #3D3D3D | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57286E
#57286E
oklch(37.5% 0.122 313)
- #294C00
#294C00
oklch(37.5% 0.106 133)
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 #57286E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.059
- Royal Purple #4B006E ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.070
- Indigo #4B0082 ΔE 0.073
- Rich Purple #720058 ΔE 0.078
- Rebecca Purple #663399 ΔE 0.079
- Plum Purple #4E0550 ΔE 0.079
- Velvet #750851 ΔE 0.085
Use #57286E 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.