#A3591D
Closest named color: Raw Umber (#A75E09). oklch(54.1% 0.12 54.7), rgb(163, 89, 29).
Aa
White text reads best on this color (5.24:1).
About this color
#A3591D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.120 and its hue 55°. 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 5.24:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #A3591D |
| RGB | rgb(163, 89, 29) |
| HSL | hsl(27, 70%, 38%) |
| OKLCH | oklch(54.1% 0.12 54.7) |
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 #A3591D | 5.24:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #A3591D | 4.00:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #A3591D text on white | 5.24:1 | AA | Lc 75.6 | Fine for body text |
| #A3591D text on black | 4.00:1 | AA large text | Lc -26.1 | 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
#EAD4C7
oklch(88.4% 0.03 52.7)
-
Step 300
300
#DDB8A0
oklch(80.9% 0.054 54.8)
-
Step 400
400
#CB926C
oklch(70.7% 0.087 54.5)
-
Step 500
500
#BC7644
oklch(63% 0.11 54.8)
-
Step 600
600 (this color)
#A3591D
oklch(54.1% 0.12 54.7)
-
Step 700
700
#904C14
oklch(49% 0.112 54.3)
-
Step 800
800
#753F15
oklch(42.7% 0.092 54.3)
-
Step 900
900
#5F3618
oklch(37.7% 0.073 54.5)
-
Step 950
950
#37200F
oklch(26.9% 0.045 55.9)
#A3591D 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) | #6F6213 | 0.097 |
| Deuteranopia (no green cones) | #81731C | 0.088 |
| Tritanopia (no blue cones) | #B3494D | 0.078 |
| Achromatopsia (no color) | #6C6C6C | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3591D
#A3591D
oklch(54.1% 0.12 54.7)
- #0078A7
#0078A7
oklch(54% 0.114 234.7)
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 #A3591D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.019
- Sepia #985E2B ΔE 0.022
- Cinnamon #AC4F06 ΔE 0.025
- Sienna #A0522D ΔE 0.026
- Raw Sienna #9A6200 ΔE 0.034
- Earth #A2653E ΔE 0.035
- Orangey Brown #B16002 ΔE 0.035
- Burnt Siena #B75203 ΔE 0.038
Use #A3591D 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.