#5B5643
Closest named color: Olive Brown (#645403). oklch(45.2% 0.03 95), rgb(91, 86, 67).
Aa
White text reads best on this color (7.35:1).
About this color
#5B5643 is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.030 and its hue 95°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.061 away. White text reads best on it, at 7.35:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.030) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.85:1 |
| White text | 7.35:1 |
Values
| HEX | #5B5643 |
| RGB | rgb(91, 86, 67) |
| HSL | hsl(48, 15%, 31%) |
| OKLCH | oklch(45.2% 0.03 95) |
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 #5B5643 | 7.35:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #5B5643 | 2.85:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #5B5643 text on white | 7.35:1 | AAA | Lc 85.6 | Fine for body text |
| #5B5643 text on black | 2.85:1 | Fails | Lc -16.5 | 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
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#EBEAE6
oklch(93.7% 0.005 95.1)
-
Step 200
200
#DBD9D2
oklch(88.5% 0.01 93.6)
-
Step 300
300
#C4C1B4
oklch(81% 0.018 96.2)
-
Step 400
400
#A6A18D
oklch(70.8% 0.029 95.5)
-
Step 500
500
#908A71
oklch(63.2% 0.037 96.1)
-
Step 600
600
#7A7359
oklch(55.5% 0.039 94.8)
-
Step 700
700
#676149
oklch(49.1% 0.037 95.7)
-
Step 800
800 (this color)
#5B5643
oklch(45.2% 0.03 95)
-
Step 900
900
#454234
oklch(37.8% 0.023 97.3)
-
Step 950
950
#29261E
oklch(26.9% 0.015 89.9)
#5B5643 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) | #5A5542 | 0.004 |
| Deuteranopia (no green cones) | #5B5744 | 0.003 |
| Tritanopia (no blue cones) | #5F5351 | 0.028 |
| Achromatopsia (no color) | #565656 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B5643
#5B5643
oklch(45.2% 0.03 95)
- #515567
#515567
oklch(45.3% 0.03 275.3)
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 #5B5643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.061
- Mud Brown #60460F ΔE 0.063
- Green Brown #544E03 ΔE 0.067
- Mud #735C12 ΔE 0.070
- Milk Chocolate #7F4E1E ΔE 0.070
- Camo Green #526525 ΔE 0.071
- Army Green #4B5D16 ΔE 0.072
- Dark Slate Gray #2F4F4F ΔE 0.072
Use #5B5643 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.