#5A531B
Closest named color: Olive Brown (#645403). oklch(43.7% 0.076 102.2), rgb(90, 83, 27).
Aa
White text reads best on this color (7.81:1).
About this color
#5A531B is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.076 and its hue 102°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.021 away. White text reads best on it, at 7.81:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #5A531B |
| RGB | rgb(90, 83, 27) |
| HSL | hsl(53, 54%, 23%) |
| OKLCH | oklch(43.7% 0.076 102.2) |
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 #5A531B | 7.81:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #5A531B | 2.68:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #5A531B text on white | 7.81:1 | AAA | Lc 87.1 | Fine for body text |
| #5A531B text on black | 2.68:1 | Fails | Lc -15.1 | Dividers and decoration only |
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 800.
-
Step 50
50
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEAE1
oklch(93.5% 0.012 101.5)
-
Step 200
200
#DCDAC8
oklch(88.5% 0.024 101.7)
-
Step 300
300
#C6C2A2
oklch(80.9% 0.044 101.4)
-
Step 400
400
#A9A36F
oklch(70.8% 0.071 102.4)
-
Step 500
500
#948C47
oklch(63.2% 0.091 102.7)
-
Step 600
600
#7F7527
oklch(55.6% 0.098 101.9)
-
Step 700
700
#6B6219
oklch(49% 0.091 102.1)
-
Step 800
800 (this color)
#5A531B
oklch(43.7% 0.076 102.2)
-
Step 900
900
#48431A
oklch(37.8% 0.06 102.4)
-
Step 950
950
#2A2710
oklch(27% 0.038 101.9)
#5A531B 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) | #5B5014 | 0.009 |
| Deuteranopia (no green cones) | #5D531E | 0.006 |
| Tritanopia (no blue cones) | #614D47 | 0.069 |
| Achromatopsia (no color) | #525252 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A531B
#5A531B
oklch(43.7% 0.076 102.2)
- #4B4C7A
#4B4C7A
oklch(43.7% 0.075 281.9)
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 #5A531B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.021
- Green Brown #544E03 ΔE 0.023
- Mud Brown #60460F ΔE 0.037
- Army Green #4B5D16 ΔE 0.039
- Camouflage Green #4B6113 ΔE 0.050
- Greeny Brown #696006 ΔE 0.051
- Camo Green #526525 ΔE 0.053
- Mud #735C12 ΔE 0.053
Use #5A531B 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.