#5B400F
Closest named color: Mud Brown (#60460F). oklch(39.2% 0.073 77.8), rgb(91, 64, 15).
Aa
White text reads best on this color (9.61:1).
About this color
#5B400F is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.073 and its hue 78°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.021 away. White text reads best on it, at 9.61:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.18:1 |
| White text | 9.61:1 |
Values
| HEX | #5B400F |
| RGB | rgb(91, 64, 15) |
| HSL | hsl(39, 72%, 21%) |
| OKLCH | oklch(39.2% 0.073 77.8) |
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 #5B400F | 9.61:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #5B400F | 2.18:1 | Fails | Lc 11.8 | Not readable |
| #5B400F text on white | 9.61:1 | AAA | Lc 92.1 | Preferred for body text |
| #5B400F text on black | 2.18:1 | Fails | Lc -10.3 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#F0E9DE
oklch(93.6% 0.017 79.3)
-
Step 200
200
#E4D7C3
oklch(88.4% 0.03 78.8)
-
Step 300
300
#D5BD99
oklch(81% 0.056 77.8)
-
Step 400
400
#BF9A60
oklch(70.7% 0.088 77.9)
-
Step 500
500
#AE802F
oklch(63.1% 0.111 78)
-
Step 600
600
#986900
oklch(55.6% 0.116 77.9)
-
Step 700
700
#805800
oklch(49.1% 0.102 78.1)
-
Step 800
800
#694800
oklch(42.7% 0.089 78.7)
-
Step 900
900 (this color)
#5B400F
oklch(39.2% 0.073 77.8)
-
Step 950
950
#332309
oklch(27% 0.046 76.5)
#5B400F 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) | #4A4107 | 0.034 |
| Deuteranopia (no green cones) | #514811 | 0.029 |
| Tritanopia (no blue cones) | #643836 | 0.063 |
| Achromatopsia (no color) | #454545 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B400F
#5B400F
oklch(39.2% 0.073 77.8)
- #2C466C
#2C466C
oklch(39.2% 0.072 257.8)
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 #5B400F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.021
- Green Brown #544E03 ΔE 0.046
- Olive Brown #645403 ΔE 0.065
- Dark Olive #373E02 ΔE 0.069
- Chestnut #742802 ΔE 0.071
- Purple Brown #673A3F ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.081
- Navy Green #35530A ΔE 0.083
Use #5B400F 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.