#5B5309
Closest named color: Olive Brown (#645403). oklch(43.7% 0.088 102.6), rgb(91, 83, 9).
Aa
White text reads best on this color (7.81:1).
About this color
#5B5309 is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.088 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.016 away. White text reads best on it, at 7.81:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #5B5309 |
| RGB | rgb(91, 83, 9) |
| HSL | hsl(54, 82%, 20%) |
| OKLCH | oklch(43.7% 0.088 102.6) |
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 #5B5309 | 7.81:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #5B5309 | 2.68:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #5B5309 text on white | 7.81:1 | AAA | Lc 87.0 | Fine for body text |
| #5B5309 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
#EBEADF
oklch(93.5% 0.015 102.5)
-
Step 200
200
#DCDAC5
oklch(88.4% 0.028 102.5)
-
Step 300
300
#C6C29D
oklch(80.8% 0.05 102.3)
-
Step 400
400
#AAA366
oklch(70.7% 0.082 102.6)
-
Step 500
500
#968C39
oklch(63.2% 0.105 102.5)
-
Step 600
600
#80750B
oklch(55.5% 0.113 102.7)
-
Step 700
700
#6C6200
oklch(49% 0.103 102.5)
-
Step 800
800 (this color)
#5B5309
oklch(43.7% 0.088 102.6)
-
Step 900
900
#494311
oklch(37.8% 0.068 102.4)
-
Step 950
950
#2A270C
oklch(26.9% 0.043 103)
#5B5309 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) | #5C5000 | 0.009 |
| Deuteranopia (no green cones) | #5E5410 | 0.007 |
| Tritanopia (no blue cones) | #634C46 | 0.081 |
| Achromatopsia (no color) | #525252 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B5309
#5B5309
oklch(43.7% 0.088 102.6)
- #4B4A80
#4B4A80
oklch(43.6% 0.088 283)
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 #5B5309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.016
- Green Brown #544E03 ΔE 0.020
- Army Green #4B5D16 ΔE 0.036
- Mud Brown #60460F ΔE 0.040
- Camouflage Green #4B6113 ΔE 0.046
- Greeny Brown #696006 ΔE 0.047
- Camo Green #526525 ΔE 0.052
- Mud #735C12 ΔE 0.052
Use #5B5309 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.