#5B1D3B
Closest named color: Grape Purple (#5D1451). oklch(33.7% 0.097 353.6), rgb(91, 29, 59).
Aa
White text reads best on this color (12.47:1).
About this color
#5B1D3B is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.097 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.046 away. White text reads best on it, at 12.47:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.68:1 |
| White text | 12.47:1 |
Values
| HEX | #5B1D3B |
| RGB | rgb(91, 29, 59) |
| HSL | hsl(331, 52%, 24%) |
| OKLCH | oklch(33.7% 0.097 353.6) |
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 #5B1D3B | 12.47:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #5B1D3B | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #5B1D3B text on white | 12.47:1 | AAA | Lc 97.7 | Preferred for body text |
| #5B1D3B text on black | 1.68:1 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E4EB
oklch(93.5% 0.022 351.9)
-
Step 200
200
#F0CFDB
oklch(88.6% 0.04 354)
-
Step 300
300
#E7AEC4
oklch(81% 0.072 353.8)
-
Step 400
400
#D981A6
oklch(70.8% 0.117 353.8)
-
Step 500
500
#CC5E90
oklch(63.1% 0.149 353.7)
-
Step 600
600
#B7417A
oklch(55.6% 0.162 353.8)
-
Step 700
700
#9D3267
oklch(49.1% 0.151 353.6)
-
Step 800
800
#802B54
oklch(42.8% 0.125 353.8)
-
Step 900
900 (this color)
#5B1D3B
oklch(33.7% 0.097 353.6)
-
Step 950
950
#3D1829
oklch(27% 0.062 353.3)
#5B1D3B 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) | #272D3C | 0.107 |
| Deuteranopia (no green cones) | #38383A | 0.096 |
| Tritanopia (no blue cones) | #621929 | 0.033 |
| Achromatopsia (no color) | #343434 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1D3B
#5B1D3B
oklch(33.7% 0.097 353.6)
- #004234
#004234
oklch(33.8% 0.065 172.8)
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 #5B1D3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.046
- Burgundy #610023 ΔE 0.048
- Merlot #730039 ΔE 0.055
- Claret #680018 ΔE 0.061
- Velvet #750851 ΔE 0.070
- Bordeaux #7B002C ΔE 0.072
- Deep Violet #490648 ΔE 0.072
- Plum Purple #4E0550 ΔE 0.072
Use #5B1D3B 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.