#A75A31
Closest named color: Sienna (#A0522D). oklch(55.1% 0.115 47), rgb(167, 90, 49).
Aa
White text reads best on this color (5.06:1).
About this color
#A75A31 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.115 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.025 away. White text reads best on it, at 5.06:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #A75A31 |
| RGB | rgb(167, 90, 49) |
| HSL | hsl(21, 55%, 42%) |
| OKLCH | oklch(55.1% 0.115 47) |
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 #A75A31 | 5.06:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #A75A31 | 4.14:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #A75A31 text on white | 5.06:1 | AA | Lc 74.6 | Content text, not long reading |
| #A75A31 text on black | 4.14:1 | AA large text | Lc -27.1 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EAD4C9
oklch(88.5% 0.029 48.4)
-
Step 300
300
#DEB7A5
oklch(80.9% 0.052 46.1)
-
Step 400
400
#CC9174
oklch(70.7% 0.083 47.1)
-
Step 500
500
#BD744F
oklch(63% 0.106 47.1)
-
Step 600
600 (this color)
#A75A31
oklch(55.1% 0.115 47)
-
Step 700
700
#914B25
oklch(49.2% 0.107 47.1)
-
Step 800
800
#753E20
oklch(42.6% 0.088 47.6)
-
Step 900
900
#5F3520
oklch(37.7% 0.069 46.5)
-
Step 950
950
#381F13
oklch(26.9% 0.044 46)
#A75A31 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) | #6F642D | 0.102 |
| Deuteranopia (no green cones) | #827530 | 0.093 |
| Tritanopia (no blue cones) | #B74A51 | 0.067 |
| Achromatopsia (no color) | #6F6F6F | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A75A31
#A75A31
oklch(55.1% 0.115 47)
- #007DA2
#007DA2
oklch(55% 0.107 227.5)
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 #A75A31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.025
- Earth #A2653E ΔE 0.026
- Cinnamon #AC4F06 ΔE 0.030
- Sepia #985E2B ΔE 0.030
- Raw Umber #A75E09 ΔE 0.031
- Burnt Siena #B75203 ΔE 0.036
- Orangey Brown #B16002 ΔE 0.039
- Copper #B66325 ΔE 0.040
Use #A75A31 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.