#A55C39
Closest named color: Earth (#A2653E). oklch(55.2% 0.107 45.4), rgb(165, 92, 57).
Aa
White text reads best on this color (5.01:1).
About this color
#A55C39 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.107 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.021 away. White text reads best on it, at 5.01:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.107) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #A55C39 |
| RGB | rgb(165, 92, 57) |
| HSL | hsl(19, 49%, 44%) |
| OKLCH | oklch(55.2% 0.107 45.4) |
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 #A55C39 | 5.01:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #A55C39 | 4.18:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #A55C39 text on white | 5.01:1 | AA | Lc 74.3 | Content text, not long reading |
| #A55C39 text on black | 4.18:1 | AA large text | Lc -27.4 | 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 600.
-
Step 50
50
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E2
oklch(93.5% 0.014 46.2)
-
Step 200
200
#E9D4CB
oklch(88.5% 0.027 44.7)
-
Step 300
300
#DCB8A7
oklch(81% 0.048 46.7)
-
Step 400
400
#CA9278
oklch(70.8% 0.077 45.9)
-
Step 500
500
#BB7655
oklch(63.2% 0.099 46)
-
Step 600
600 (this color)
#A55C39
oklch(55.2% 0.107 45.4)
-
Step 700
700
#8E4C2C
oklch(49% 0.1 45.4)
-
Step 800
800
#743F26
oklch(42.8% 0.083 45.1)
-
Step 900
900
#5E3623
oklch(37.8% 0.065 45.6)
-
Step 950
950
#372015
oklch(27% 0.041 46.1)
#A55C39 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) | #706536 | 0.096 |
| Deuteranopia (no green cones) | #817538 | 0.088 |
| Tritanopia (no blue cones) | #B44E54 | 0.061 |
| Achromatopsia (no color) | #6F6F6F | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A55C39
#A55C39
oklch(55.2% 0.107 45.4)
- #007EA0
#007EA0
oklch(55.2% 0.105 225.2)
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 #A55C39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.021
- Sienna #A0522D ΔE 0.027
- Sepia #985E2B ΔE 0.030
- Raw Umber #A75E09 ΔE 0.036
- Cinnamon #AC4F06 ΔE 0.038
- Copper #B66325 ΔE 0.043
- Burnt Siena #B75203 ΔE 0.043
- Orangey Brown #B16002 ΔE 0.044
Use #A55C39 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.