#55381B
Closest named color: Mud Brown (#60460F). oklch(36.8% 0.059 64.1), rgb(85, 56, 27).
Aa
White text reads best on this color (10.67:1).
About this color
#55381B is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.059 and its hue 64°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.052 away. White text reads best on it, at 10.67:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 1.96:1 |
| White text | 10.67:1 |
Values
| HEX | #55381B |
| RGB | rgb(85, 56, 27) |
| HSL | hsl(30, 52%, 22%) |
| OKLCH | oklch(36.8% 0.059 64.1) |
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 #55381B | 10.67:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #55381B | 1.96:1 | Fails | Lc 9.3 | Not readable |
| #55381B text on white | 10.67:1 | AAA | Lc 94.6 | Preferred for body text |
| #55381B text on black | 1.96:1 | Fails | Lc -8.0 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E8E1
oklch(93.5% 0.013 63.9)
-
Step 200
200
#E5D6C9
oklch(88.5% 0.024 63.5)
-
Step 300
300
#D6BBA3
oklch(80.9% 0.045 63.8)
-
Step 400
400
#C09872
oklch(70.8% 0.071 64.8)
-
Step 500
500
#B07D4C
oklch(63% 0.091 63.8)
-
Step 600
600
#9B662E
oklch(55.6% 0.099 64.6)
-
Step 700
700
#855420
oklch(49.1% 0.093 63.8)
-
Step 800
800
#6C451D
oklch(42.7% 0.076 63.7)
-
Step 900
900 (this color)
#55381B
oklch(36.8% 0.059 64.1)
-
Step 950
950
#332212
oklch(26.9% 0.037 63.4)
#55381B 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) | #413A18 | 0.039 |
| Deuteranopia (no green cones) | #48411B | 0.035 |
| Tritanopia (no blue cones) | #5D3231 | 0.044 |
| Achromatopsia (no color) | #3E3E3E | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55381B
#55381B
oklch(36.8% 0.059 64.1)
- #21425C
#21425C
oklch(36.7% 0.06 244.2)
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 #55381B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.052
- Purple Brown #673A3F ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.065
- Dark Olive #373E02 ΔE 0.067
- Chestnut #742802 ΔE 0.067
- Green Brown #544E03 ΔE 0.075
- Onyx #343A40 ΔE 0.076
- Pakistan Green #283618 ΔE 0.083
Use #55381B 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.