#5B240B
Closest named color: Reddy Brown (#6E1005). oklch(33.6% 0.088 42.4), rgb(91, 36, 11).
Aa
White text reads best on this color (12.33:1).
About this color
#5B240B is a dark, moderately saturated brown. In OKLCH its lightness is 34%, its chroma 0.088 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.047 away. White text reads best on it, at 12.33:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.70:1 |
| White text | 12.33:1 |
Values
| HEX | #5B240B |
| RGB | rgb(91, 36, 11) |
| HSL | hsl(19, 78%, 20%) |
| OKLCH | oklch(33.6% 0.088 42.4) |
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 #5B240B | 12.33:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #5B240B | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #5B240B text on white | 12.33:1 | AAA | Lc 97.5 | Preferred for body text |
| #5B240B text on black | 1.70:1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#EFD2C6
oklch(88.5% 0.037 43.8)
-
Step 300
300
#E7B39F
oklch(80.9% 0.067 42)
-
Step 400
400
#D88A6B
oklch(70.7% 0.105 42.4)
-
Step 500
500
#CC6A42
oklch(63.1% 0.136 42.1)
-
Step 600
600
#B74F20
oklch(55.5% 0.147 42.2)
-
Step 700
700
#9E3F11
oklch(49.1% 0.138 42.2)
-
Step 800
800
#803513
oklch(42.7% 0.113 42.2)
-
Step 900
900 (this color)
#5B240B
oklch(33.6% 0.088 42.4)
-
Step 950
950
#3D1C0F
oklch(27% 0.056 41.6)
#5B240B 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) | #342D07 | 0.084 |
| Deuteranopia (no green cones) | #413909 | 0.076 |
| Tritanopia (no blue cones) | #65171F | 0.044 |
| Achromatopsia (no color) | #353535 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B240B
#5B240B
oklch(33.6% 0.088 42.4)
- #003E4E
#003E4E
oklch(33.7% 0.062 221.8)
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 #5B240B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.047
- Chestnut #742802 ΔE 0.057
- Claret #680018 ΔE 0.062
- Blood #770001 ΔE 0.067
- Chocolate Brown #411900 ΔE 0.069
- Burgundy #610023 ΔE 0.073
- Maroon #800000 ΔE 0.082
- Purple Brown #673A3F ΔE 0.082
Use #5B240B 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.