#AB5818
Closest named color: Raw Umber (#A75E09). oklch(55.1% 0.13 52.4), rgb(171, 88, 24).
Aa
White text reads best on this color (5.07:1).
About this color
#AB5818 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.130 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.019 away. White text reads best on it, at 5.07:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.14:1 |
| White text | 5.07:1 |
Values
| HEX | #AB5818 |
| RGB | rgb(171, 88, 24) |
| HSL | hsl(26, 75%, 38%) |
| OKLCH | oklch(55.1% 0.13 52.4) |
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 #AB5818 | 5.07:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #AB5818 | 4.14:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #AB5818 text on white | 5.07:1 | AA | Lc 74.5 | Content text, not long reading |
| #AB5818 text on black | 4.14:1 | AA large text | Lc -27.2 | 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
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#EBD4C6
oklch(88.5% 0.032 53.5)
-
Step 300
300
#E0B79E
oklch(80.9% 0.059 53)
-
Step 400
400
#CF9069
oklch(70.7% 0.093 52.4)
-
Step 500
500
#C1733F
oklch(63.1% 0.119 52.5)
-
Step 600
600 (this color)
#AB5818
oklch(55.1% 0.13 52.4)
-
Step 700
700
#94490A
oklch(49.1% 0.121 52.5)
-
Step 800
800
#783C0F
oklch(42.6% 0.1 52)
-
Step 900
900
#613415
oklch(37.6% 0.078 52.4)
-
Step 950
950
#391F0E
oklch(27% 0.049 52.4)
#AB5818 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) | #70630B | 0.110 |
| Deuteranopia (no green cones) | #847616 | 0.100 |
| Tritanopia (no blue cones) | #BC454C | 0.082 |
| Achromatopsia (no color) | #6E6E6E | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AB5818
#AB5818
oklch(55.1% 0.13 52.4)
- #007CA8
#007CA8
oklch(55.1% 0.113 232.2)
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 #AB5818, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.019
- Cinnamon #AC4F06 ΔE 0.019
- Burnt Siena #B75203 ΔE 0.024
- Orangey Brown #B16002 ΔE 0.026
- Sienna #A0522D ΔE 0.033
- Copper #B66325 ΔE 0.035
- Sepia #985E2B ΔE 0.036
- Umber #B26400 ΔE 0.036
Use #AB5818 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.