#A5512D
Closest named color: Sienna (#A0522D). oklch(53.2% 0.122 42.6), rgb(165, 81, 45).
Aa
White text reads best on this color (5.50:1).
About this color
#A5512D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 53%, its chroma 0.122 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.009 away. White text reads best on it, at 5.50:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.81:1 |
| White text | 5.50:1 |
Values
| HEX | #A5512D |
| RGB | rgb(165, 81, 45) |
| HSL | hsl(18, 57%, 41%) |
| OKLCH | oklch(53.2% 0.122 42.6) |
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 #A5512D | 5.50:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #A5512D | 3.81:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #A5512D text on white | 5.50:1 | AA | Lc 77.0 | Fine for body text |
| #A5512D text on black | 3.81:1 | AA large text | Lc -24.7 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E7E2
oklch(93.7% 0.016 42.4)
-
Step 200
200
#ECD3CA
oklch(88.5% 0.031 40.9)
-
Step 300
300
#E0B6A5
oklch(80.9% 0.054 43.2)
-
Step 400
400
#CF8F75
oklch(70.7% 0.087 43)
-
Step 500
500
#C27151
oklch(63.1% 0.112 42)
-
Step 600
600 (this color)
#A5512D
oklch(53.2% 0.122 42.6)
-
Step 700
700
#944827
oklch(49.1% 0.112 42.8)
-
Step 800
800
#783B21
oklch(42.6% 0.094 42.7)
-
Step 900
900
#613320
oklch(37.6% 0.073 42.6)
-
Step 950
950
#391E13
oklch(26.9% 0.047 42.6)
#A5512D 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) | #685D29 | 0.114 |
| Deuteranopia (no green cones) | #7C702B | 0.105 |
| Tritanopia (no blue cones) | #B54049 | 0.063 |
| Achromatopsia (no color) | #696969 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5512D
#A5512D
oklch(53.2% 0.122 42.6)
- #007896
#007896
oklch(53.2% 0.099 223.2)
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 #A5512D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.009
- Cinnamon #AC4F06 ΔE 0.025
- Burnt Umber #A0450E ΔE 0.033
- Sepia #985E2B ΔE 0.039
- Burnt Siena #B75203 ΔE 0.041
- Warm Brown #964E02 ΔE 0.042
- Raw Umber #A75E09 ΔE 0.045
- Earth #A2653E ΔE 0.046
Use #A5512D 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.