#533F18
Closest named color: Mud Brown (#60460F). oklch(38.1% 0.061 81.7), rgb(83, 63, 24).
Aa
White text reads best on this color (10.03:1).
About this color
#533F18 is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.061 and its hue 82°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.035 away. White text reads best on it, at 10.03:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.09:1 |
| White text | 10.03:1 |
Values
| HEX | #533F18 |
| RGB | rgb(83, 63, 24) |
| HSL | hsl(40, 55%, 21%) |
| OKLCH | oklch(38.1% 0.061 81.7) |
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 #533F18 | 10.03:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #533F18 | 2.09:1 | Fails | Lc 10.7 | Not readable |
| #533F18 text on white | 10.03:1 | AAA | Lc 93.2 | Preferred for body text |
| #533F18 text on black | 2.09:1 | Fails | Lc -9.3 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EEE9E0
oklch(93.5% 0.013 82.4)
-
Step 200
200
#E2D8C7
oklch(88.6% 0.025 81.1)
-
Step 300
300
#D0BEA0
oklch(80.9% 0.045 80.5)
-
Step 400
400
#B89C6B
oklch(70.6% 0.074 81.1)
-
Step 500
500
#A68342
oklch(63% 0.094 81.1)
-
Step 600
600
#916C1F
oklch(55.5% 0.102 81.4)
-
Step 700
700
#7C5A10
oklch(49.1% 0.095 81)
-
Step 800
800
#654A12
oklch(42.8% 0.079 81.2)
-
Step 900
900 (this color)
#533F18
oklch(38.1% 0.061 81.7)
-
Step 950
950
#30240F
oklch(26.9% 0.038 80)
#533F18 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) | #473F14 | 0.023 |
| Deuteranopia (no green cones) | #4C4419 | 0.019 |
| Tritanopia (no blue cones) | #5A3937 | 0.055 |
| Achromatopsia (no color) | #424242 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533F18
#533F18
oklch(38.1% 0.061 81.7)
- #304263
#304263
oklch(37.9% 0.061 262)
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 #533F18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.035
- Green Brown #544E03 ΔE 0.052
- Dark Olive #373E02 ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.067
- Purple Brown #673A3F ΔE 0.075
- Olive Brown #645403 ΔE 0.076
- Chestnut #742802 ΔE 0.079
- Navy Green #35530A ΔE 0.081
Use #533F18 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.