#5B1B38
Closest named color: Burgundy (#610023). oklch(33.3% 0.099 355.8), rgb(91, 27, 56).
Aa
White text reads best on this color (12.66:1).
About this color
#5B1B38 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.099 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.043 away. White text reads best on it, at 12.66:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.65:1 |
| White text | 12.66:1 |
Values
| HEX | #5B1B38 |
| RGB | rgb(91, 27, 56) |
| HSL | hsl(333, 54%, 23%) |
| OKLCH | oklch(33.3% 0.099 355.8) |
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 #5B1B38 | 12.66:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #5B1B38 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #5B1B38 text on white | 12.66:1 | AAA | Lc 98.0 | Preferred for body text |
| #5B1B38 text on black | 1.65:1 | 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
#F7E4EA
oklch(93.6% 0.022 356.3)
-
Step 200
200
#F1CEDA
oklch(88.4% 0.042 355.3)
-
Step 300
300
#E8ADC2
oklch(80.8% 0.074 355.7)
-
Step 400
400
#DA80A3
oklch(70.6% 0.118 355.7)
-
Step 500
500
#CE5D8D
oklch(63.1% 0.152 355.7)
-
Step 600
600
#B94077
oklch(55.7% 0.164 355.7)
-
Step 700
700
#9F3164
oklch(49.2% 0.153 355.8)
-
Step 800
800
#812A51
oklch(42.7% 0.126 356.1)
-
Step 900
900 (this color)
#5B1B38
oklch(33.3% 0.099 355.8)
-
Step 950
950
#3D1827
oklch(27% 0.061 356.5)
#5B1B38 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) | #262B39 | 0.109 |
| Deuteranopia (no green cones) | #373737 | 0.099 |
| Tritanopia (no blue cones) | #621627 | 0.031 |
| Achromatopsia (no color) | #333333 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1B38
#5B1B38
oklch(33.3% 0.099 355.8)
- #004035
#004035
oklch(33.2% 0.062 176.6)
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 #5B1B38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.043
- Grape Purple #5D1451 ΔE 0.049
- Merlot #730039 ΔE 0.055
- Claret #680018 ΔE 0.056
- Bordeaux #7B002C ΔE 0.071
- Velvet #750851 ΔE 0.072
- Deep Violet #490648 ΔE 0.073
- Plum Purple #4E0550 ΔE 0.074
Use #5B1B38 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.