#5B271E
Closest named color: Reddy Brown (#6E1005). oklch(34.4% 0.079 31.5), rgb(91, 39, 30).
Aa
White text reads best on this color (11.97:1).
About this color
#5B271E is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.079 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.050 away. White text reads best on it, at 11.97:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.75:1 |
| White text | 11.97:1 |
Values
| HEX | #5B271E |
| RGB | rgb(91, 39, 30) |
| HSL | hsl(9, 50%, 24%) |
| OKLCH | oklch(34.4% 0.079 31.5) |
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 #5B271E | 11.97:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #5B271E | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #5B271E text on white | 11.97:1 | AAA | Lc 97.0 | Preferred for body text |
| #5B271E text on black | 1.75:1 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E3
oklch(93.6% 0.017 31.1)
-
Step 200
200
#EED2CC
oklch(88.5% 0.033 32.1)
-
Step 300
300
#E4B3A9
oklch(80.8% 0.059 31.6)
-
Step 400
400
#D58A7C
oklch(70.7% 0.095 31.1)
-
Step 500
500
#C86B5B
oklch(63.1% 0.121 31)
-
Step 600
600
#B35140
oklch(55.6% 0.131 31.6)
-
Step 700
700
#9A4132
oklch(49.1% 0.123 31.5)
-
Step 800
800
#7D362A
oklch(42.7% 0.102 31.4)
-
Step 900
900 (this color)
#5B271E
oklch(34.4% 0.079 31.5)
-
Step 950
950
#3B1C17
oklch(26.9% 0.05 30.3)
#5B271E 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) | #34301D | 0.081 |
| Deuteranopia (no green cones) | #413B1D | 0.074 |
| Tritanopia (no blue cones) | #641D25 | 0.032 |
| Achromatopsia (no color) | #373737 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B271E
#5B271E
oklch(34.4% 0.079 31.5)
- #00414B
#00414B
oklch(34.4% 0.06 211.8)
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 #5B271E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.050
- Chestnut #742802 ΔE 0.058
- Claret #680018 ΔE 0.060
- Purple Brown #673A3F ΔE 0.067
- Burgundy #610023 ΔE 0.067
- Blood #770001 ΔE 0.069
- Wine Red #7B0323 ΔE 0.078
- Chocolate Brown #411900 ΔE 0.078
Use #5B271E 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.