#5B211F
Closest named color: Reddy Brown (#6E1005). oklch(33.4% 0.086 24.8), rgb(91, 33, 31).
Aa
White text reads best on this color (12.48:1).
About this color
#5B211F is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.086 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.046 away. White text reads best on it, at 12.48:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.68:1 |
| White text | 12.48:1 |
Values
| HEX | #5B211F |
| RGB | rgb(91, 33, 31) |
| HSL | hsl(2, 49%, 24%) |
| OKLCH | oklch(33.4% 0.086 24.8) |
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 #5B211F | 12.48:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #5B211F | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #5B211F text on white | 12.48:1 | AAA | Lc 97.8 | Preferred for body text |
| #5B211F 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#F0D1CD
oklch(88.6% 0.035 26.6)
-
Step 300
300
#E8B1AC
oklch(80.9% 0.065 24.5)
-
Step 400
400
#DA8780
oklch(70.8% 0.103 25.2)
-
Step 500
500
#CD6660
oklch(63.1% 0.132 24.9)
-
Step 600
600
#B84B47
oklch(55.6% 0.142 24.9)
-
Step 700
700
#9E3B38
oklch(49% 0.133 25)
-
Step 800
800
#81322F
oklch(42.8% 0.11 25)
-
Step 900
900 (this color)
#5B211F
oklch(33.4% 0.086 24.8)
-
Step 950
950
#3D1B19
oklch(27.1% 0.054 24.7)
#5B211F 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) | #302C1E | 0.091 |
| Deuteranopia (no green cones) | #3E381E | 0.083 |
| Tritanopia (no blue cones) | #641621 | 0.027 |
| Achromatopsia (no color) | #343434 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B211F
#5B211F
oklch(33.4% 0.086 24.8)
- #003F44
#003F44
oklch(33.5% 0.057 203.7)
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 #5B211F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.046
- Claret #680018 ΔE 0.047
- Burgundy #610023 ΔE 0.052
- Blood #770001 ΔE 0.065
- Chestnut #742802 ΔE 0.066
- Wine Red #7B0323 ΔE 0.073
- Chocolate Brown #411900 ΔE 0.074
- Purple Brown #673A3F ΔE 0.076
Use #5B211F 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.