#5B212B
Closest named color: Burgundy (#610023). oklch(33.7% 0.085 12.4), rgb(91, 33, 43).
Aa
White text reads best on this color (12.37:1).
About this color
#5B212B is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.085 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.047 away. White text reads best on it, at 12.37:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.69:1 |
| White text | 12.37:1 |
Values
| HEX | #5B212B |
| RGB | rgb(91, 33, 43) |
| HSL | hsl(350, 47%, 24%) |
| OKLCH | oklch(33.7% 0.085 12.4) |
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 #5B212B | 12.37:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #5B212B | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #5B212B text on white | 12.37:1 | AAA | Lc 97.6 | Preferred for body text |
| #5B212B text on black | 1.69:1 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F6E5E6
oklch(93.6% 0.019 13.4)
-
Step 200
200
#F0D0D3
oklch(88.5% 0.036 11.4)
-
Step 300
300
#E7B0B5
oklch(80.9% 0.065 12.5)
-
Step 400
400
#D8858F
oklch(70.6% 0.103 12.2)
-
Step 500
500
#CB6474
oklch(63% 0.131 11.9)
-
Step 600
600
#B7495C
oklch(55.6% 0.143 12.5)
-
Step 700
700
#9D3A4C
oklch(49.2% 0.132 12.4)
-
Step 800
800
#7F303E
oklch(42.5% 0.11 12.3)
-
Step 900
900 (this color)
#5B212B
oklch(33.7% 0.085 12.4)
-
Step 950
950
#3D1A1F
oklch(27% 0.055 12.5)
#5B212B 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) | #2E2D2B | 0.093 |
| Deuteranopia (no green cones) | #3D392A | 0.086 |
| Tritanopia (no blue cones) | #631925 | 0.021 |
| Achromatopsia (no color) | #343434 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B212B
#5B212B
oklch(33.7% 0.085 12.4)
- #00403F
#00403F
oklch(33.6% 0.058 193)
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 #5B212B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.047
- Claret #680018 ΔE 0.048
- Reddy Brown #6E1005 ΔE 0.056
- Merlot #730039 ΔE 0.068
- Wine Red #7B0323 ΔE 0.070
- Purple Brown #673A3F ΔE 0.071
- Blood #770001 ΔE 0.072
- Bordeaux #7B002C ΔE 0.072
Use #5B212B 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.