#5B1F6D
Closest named color: Grape Purple (#5D1451). oklch(36.8% 0.137 317.4), rgb(91, 31, 109).
Aa
White text reads best on this color (11.28:1).
About this color
#5B1F6D is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.137 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 0.050 away. White text reads best on it, at 11.28:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.86:1 |
| White text | 11.28:1 |
Values
| HEX | #5B1F6D |
| RGB | rgb(91, 31, 109) |
| HSL | hsl(286, 56%, 27%) |
| OKLCH | oklch(36.8% 0.137 317.4) |
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 #5B1F6D | 11.28:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #5B1F6D | 1.86:1 | Fails | Lc 8.6 | Not readable |
| #5B1F6D text on white | 11.28:1 | AAA | Lc 95.3 | Preferred for body text |
| #5B1F6D text on black | 1.86:1 | Fails | Lc -7.3 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F2E4F7
oklch(93.6% 0.029 317.2)
-
Step 200
200
#E9CEF2
oklch(88.5% 0.057 317.7)
-
Step 300
300
#DCACEC
oklch(80.9% 0.102 317.5)
-
Step 400
400
#C97CE3
oklch(70.6% 0.165 317.2)
-
Step 500
500
#BB55DA
oklch(63.1% 0.21 317.6)
-
Step 600
600
#A632C8
oklch(55.6% 0.228 317.2)
-
Step 700
700
#8E22AD
oklch(49.1% 0.212 317.1)
-
Step 800
800
#74208C
oklch(42.8% 0.176 317.5)
-
Step 900
900 (this color)
#5B1F6D
oklch(36.8% 0.137 317.4)
-
Step 950
950
#371541
oklch(26.9% 0.087 317.9)
#5B1F6D 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) | #00376F | 0.134 |
| Deuteranopia (no green cones) | #213C6B | 0.115 |
| Tritanopia (no blue cones) | #5A2E43 | 0.087 |
| Achromatopsia (no color) | #3B3B3B | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1F6D
#5B1F6D
oklch(36.8% 0.137 317.4)
- #1D4C00
#1D4C00
oklch(36.9% 0.113 137.3)
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 #5B1F6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.050
- Royal Purple #4B006E ΔE 0.058
- Rich Purple #720058 ΔE 0.066
- Indigo #4B0082 ΔE 0.067
- Plum Purple #4E0550 ΔE 0.069
- Velvet #750851 ΔE 0.076
- Purple #800080 ΔE 0.084
- Rebecca Purple #663399 ΔE 0.084
Use #5B1F6D 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.