#AC5B23
Closest named color: Raw Umber (#A75E09). oklch(55.8% 0.125 51.3), rgb(172, 91, 35).
Aa
White text reads best on this color (4.91:1).
About this color
#AC5B23 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.125 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.020 away. White text reads best on it, at 4.91:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #AC5B23 |
| RGB | rgb(172, 91, 35) |
| HSL | hsl(25, 66%, 41%) |
| OKLCH | oklch(55.8% 0.125 51.3) |
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 #AC5B23 | 4.91:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #AC5B23 | 4.27:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #AC5B23 text on white | 4.91:1 | AA | Lc 73.6 | Content text, not long reading |
| #AC5B23 text on black | 4.27:1 | AA large text | Lc -28.1 | 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 600.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#EBD4C7
oklch(88.5% 0.031 51.5)
-
Step 300
300
#DFB7A0
oklch(80.9% 0.056 51.5)
-
Step 400
400
#CE906C
oklch(70.6% 0.09 50.9)
-
Step 500
500
#C07444
oklch(63.2% 0.115 51.6)
-
Step 600
600 (this color)
#AC5B23
oklch(55.8% 0.125 51.3)
-
Step 700
700
#934A14
oklch(49.1% 0.117 51.5)
-
Step 800
800
#773D14
oklch(42.6% 0.096 51.7)
-
Step 900
900
#613518
oklch(37.8% 0.076 51.8)
-
Step 950
950
#391F0F
oklch(27% 0.048 51.1)
#AC5B23 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) | #72651B | 0.107 |
| Deuteranopia (no green cones) | #867822 | 0.097 |
| Tritanopia (no blue cones) | #BD4950 | 0.079 |
| Achromatopsia (no color) | #717171 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC5B23
#AC5B23
oklch(55.8% 0.125 51.3)
- #007EAA
#007EAA
oklch(55.7% 0.113 231.8)
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 #AC5B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.020
- Orangey Brown #B16002 ΔE 0.024
- Burnt Siena #B75203 ΔE 0.026
- Cinnamon #AC4F06 ΔE 0.027
- Copper #B66325 ΔE 0.028
- Earth #A2653E ΔE 0.031
- Umber #B26400 ΔE 0.033
- Sienna #A0522D ΔE 0.036
Use #AC5B23 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.