#A3580D
Closest named color: Raw Umber (#A75E09). oklch(53.9% 0.125 57.2), rgb(163, 88, 13).
Aa
White text reads best on this color (5.30:1).
About this color
#A3580D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.125 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.018 away. White text reads best on it, at 5.30:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #A3580D |
| RGB | rgb(163, 88, 13) |
| HSL | hsl(30, 85%, 35%) |
| OKLCH | oklch(53.9% 0.125 57.2) |
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 #A3580D | 5.30:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #A3580D | 3.95:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #A3580D text on white | 5.30:1 | AA | Lc 75.9 | Fine for body text |
| #A3580D text on black | 3.95:1 | 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
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#EAD4C6
oklch(88.4% 0.031 54.7)
-
Step 300
300
#DDB89E
oklch(80.8% 0.056 56.9)
-
Step 400
400
#CC9268
oklch(70.7% 0.09 56.6)
-
Step 500
500
#BD763D
oklch(63.1% 0.115 57.3)
-
Step 600
600 (this color)
#A3580D
oklch(53.9% 0.125 57.2)
-
Step 700
700
#914C05
oklch(49.1% 0.117 56.7)
-
Step 800
800
#753F0C
oklch(42.6% 0.096 57.3)
-
Step 900
900
#5F3614
oklch(37.7% 0.075 57)
-
Step 950
950
#38200D
oklch(27% 0.048 57.2)
#A3580D 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) | #6F6100 | 0.097 |
| Deuteranopia (no green cones) | #80720C | 0.089 |
| Tritanopia (no blue cones) | #B3474B | 0.084 |
| Achromatopsia (no color) | #6B6B6B | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3580D
#A3580D
oklch(53.9% 0.125 57.2)
- #0077AA
#0077AA
oklch(54% 0.118 237.1)
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 #A3580D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.018
- Cinnamon #AC4F06 ΔE 0.024
- Sepia #985E2B ΔE 0.025
- Raw Sienna #9A6200 ΔE 0.030
- Sienna #A0522D ΔE 0.031
- Orangey Brown #B16002 ΔE 0.035
- Warm Brown #964E02 ΔE 0.037
- Burnt Siena #B75203 ΔE 0.038
Use #A3580D 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.