#533B0B
Closest named color: Mud Brown (#60460F). oklch(37% 0.07 79.9), rgb(83, 59, 11).
Aa
White text reads best on this color (10.50:1).
About this color
#533B0B is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.070 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.043 away. White text reads best on it, at 10.50:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 1.99:1 |
| White text | 10.50:1 |
Values
| HEX | #533B0B |
| RGB | rgb(83, 59, 11) |
| HSL | hsl(40, 77%, 18%) |
| OKLCH | oklch(37% 0.07 79.9) |
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 #533B0B | 10.50:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #533B0B | 1.99:1 | Fails | Lc 9.7 | Not readable |
| #533B0B text on white | 10.50:1 | AAA | Lc 94.2 | Preferred for body text |
| #533B0B text on black | 1.99:1 | Fails | Lc -8.3 | 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
#EFE9DF
oklch(93.6% 0.015 80.7)
-
Step 200
200
#E3D7C4
oklch(88.4% 0.029 79.5)
-
Step 300
300
#D3BD9B
oklch(80.8% 0.052 78.6)
-
Step 400
400
#BC9B63
oklch(70.7% 0.083 80)
-
Step 500
500
#AB8134
oklch(63% 0.107 79.6)
-
Step 600
600
#966A00
oklch(55.5% 0.115 79.9)
-
Step 700
700
#7F5900
oklch(49.2% 0.102 79.8)
-
Step 800
800
#684800
oklch(42.6% 0.088 79.5)
-
Step 900
900 (this color)
#533B0B
oklch(37% 0.07 79.9)
-
Step 950
950
#32240A
oklch(27.1% 0.045 80.2)
#533B0B 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) | #443C04 | 0.030 |
| Deuteranopia (no green cones) | #4A420D | 0.026 |
| Tritanopia (no blue cones) | #5B3432 | 0.061 |
| Achromatopsia (no color) | #3F3F3F | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533B0B
#533B0B
oklch(37% 0.07 79.9)
- #294064
#294064
oklch(37.1% 0.069 259.1)
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 #533B0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.043
- Dark Olive #373E02 ΔE 0.053
- Green Brown #544E03 ΔE 0.059
- Charcoal Grey #3C4142 ΔE 0.074
- Chestnut #742802 ΔE 0.076
- Pakistan Green #283618 ΔE 0.079
- Purple Brown #673A3F ΔE 0.082
- Olive Brown #645403 ΔE 0.084
Use #533B0B 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.