#5B281B
Closest named color: Reddy Brown (#6E1005). oklch(34.5% 0.079 35.4), rgb(91, 40, 27).
Aa
White text reads best on this color (11.90:1).
About this color
#5B281B is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.079 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.051 away. White text reads best on it, at 11.90:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.76:1 |
| White text | 11.90:1 |
Values
| HEX | #5B281B |
| RGB | rgb(91, 40, 27) |
| HSL | hsl(12, 54%, 23%) |
| OKLCH | oklch(34.5% 0.079 35.4) |
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 #5B281B | 11.90:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #5B281B | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #5B281B text on white | 11.90:1 | AAA | Lc 96.9 | Preferred for body text |
| #5B281B text on black | 1.76:1 | 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
#F5E6E2
oklch(93.6% 0.017 35.3)
-
Step 200
200
#EED2CB
oklch(88.5% 0.033 34.3)
-
Step 300
300
#E4B4A7
oklch(81% 0.059 35.6)
-
Step 400
400
#D48B78
oklch(70.6% 0.094 35.3)
-
Step 500
500
#C76D55
oklch(63.2% 0.12 35.9)
-
Step 600
600
#B2523A
oklch(55.5% 0.131 35.2)
-
Step 700
700
#99422C
oklch(49% 0.122 35.3)
-
Step 800
800
#7C3726
oklch(42.6% 0.101 35)
-
Step 900
900 (this color)
#5B281B
oklch(34.5% 0.079 35.4)
-
Step 950
950
#3B1D15
oklch(27% 0.049 35.8)
#5B281B 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) | #35301A | 0.078 |
| Deuteranopia (no green cones) | #423B1A | 0.071 |
| Tritanopia (no blue cones) | #641E25 | 0.034 |
| Achromatopsia (no color) | #373737 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B281B
#5B281B
oklch(34.5% 0.079 35.4)
- #00414D
#00414D
oklch(34.5% 0.061 215)
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 #5B281B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.051
- Chestnut #742802 ΔE 0.056
- Claret #680018 ΔE 0.063
- Purple Brown #673A3F ΔE 0.067
- Blood #770001 ΔE 0.070
- Burgundy #610023 ΔE 0.072
- Chocolate Brown #411900 ΔE 0.078
- Wine Red #7B0323 ΔE 0.081
Use #5B281B 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.