#AB512B
Closest named color: Sienna (#A0522D). oklch(54.1% 0.129 42.2), rgb(171, 81, 43).
Aa
White text reads best on this color (5.32:1).
About this color
#AB512B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.129 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.021 away. White text reads best on it, at 5.32:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #AB512B |
| RGB | rgb(171, 81, 43) |
| HSL | hsl(18, 60%, 42%) |
| OKLCH | oklch(54.1% 0.129 42.2) |
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 #AB512B | 5.32:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #AB512B | 3.94:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #AB512B text on white | 5.32:1 | AA | Lc 76.0 | Fine for body text |
| #AB512B text on black | 3.94:1 | AA large text | Lc -25.8 | 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
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#EDD3C9
oklch(88.6% 0.032 42.2)
-
Step 300
300
#E2B5A4
oklch(80.9% 0.058 41.7)
-
Step 400
400
#D28D72
oklch(70.6% 0.093 42.2)
-
Step 500
500
#C56F4D
oklch(63.1% 0.119 41.9)
-
Step 600
600 (this color)
#AB512B
oklch(54.1% 0.129 42.2)
-
Step 700
700
#974522
oklch(49% 0.12 42.1)
-
Step 800
800
#7B391E
oklch(42.7% 0.1 41.8)
-
Step 900
900
#63321E
oklch(37.7% 0.077 42.3)
-
Step 950
950
#3A1E12
oklch(27% 0.049 43.5)
#AB512B 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) | #6A5F27 | 0.121 |
| Deuteranopia (no green cones) | #807329 | 0.112 |
| Tritanopia (no blue cones) | #BC3E49 | 0.066 |
| Achromatopsia (no color) | #6B6B6B | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AB512B
#AB512B
oklch(54.1% 0.129 42.2)
- #007B98
#007B98
oklch(54% 0.1 221.9)
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 #AB512B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.021
- Cinnamon #AC4F06 ΔE 0.021
- Burnt Siena #B75203 ΔE 0.031
- Burnt Umber #A0450E ΔE 0.039
- Sinopia #BB3E03 ΔE 0.042
- Burnt Orange #C04E01 ΔE 0.042
- Brick Orange #C14A09 ΔE 0.043
- Raw Umber #A75E09 ΔE 0.043
Use #AB512B 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.