#AC5B2B
Closest named color: Raw Umber (#A75E09). oklch(55.9% 0.122 48.7), rgb(172, 91, 43).
Aa
White text reads best on this color (4.90:1).
About this color
#AC5B2B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.122 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.026 away. White text reads best on it, at 4.90:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.28:1 |
| White text | 4.90:1 |
Values
| HEX | #AC5B2B |
| RGB | rgb(172, 91, 43) |
| HSL | hsl(22, 60%, 42%) |
| OKLCH | oklch(55.9% 0.122 48.7) |
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 #AC5B2B | 4.90:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #AC5B2B | 4.28:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #AC5B2B text on white | 4.90:1 | AA | Lc 73.5 | Content text, not long reading |
| #AC5B2B text on black | 4.28:1 | AA large text | Lc -28.2 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EBD4C8
oklch(88.6% 0.03 49.4)
-
Step 300
300
#DFB7A2
oklch(80.9% 0.055 49.2)
-
Step 400
400
#CE906F
oklch(70.7% 0.088 48.9)
-
Step 500
500
#C07349
oklch(63.1% 0.113 48.4)
-
Step 600
600 (this color)
#AC5B2B
oklch(55.9% 0.122 48.7)
-
Step 700
700
#934A1D
oklch(49.2% 0.113 48.8)
-
Step 800
800
#773D1A
oklch(42.7% 0.094 49)
-
Step 900
900
#60341C
oklch(37.6% 0.073 48)
-
Step 950
950
#391F11
oklch(27% 0.047 48.2)
#AC5B2B 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) | #726625 | 0.107 |
| Deuteranopia (no green cones) | #85782A | 0.098 |
| Tritanopia (no blue cones) | #BC4A51 | 0.072 |
| Achromatopsia (no color) | #717171 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC5B2B
#AC5B2B
oklch(55.9% 0.122 48.7)
- #007FA7
#007FA7
oklch(55.8% 0.11 229.1)
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 #AC5B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.026
- Burnt Siena #B75203 ΔE 0.028
- Earth #A2653E ΔE 0.028
- Cinnamon #AC4F06 ΔE 0.029
- Orangey Brown #B16002 ΔE 0.029
- Copper #B66325 ΔE 0.030
- Sienna #A0522D ΔE 0.034
- Sepia #985E2B ΔE 0.037
Use #AC5B2B 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.