#A3481C
Closest named color: Burnt Umber (#A0450E). oklch(51.3% 0.133 43.4), rgb(163, 72, 28).
Aa
White text reads best on this color (5.99:1).
About this color
#A3481C is a medium-dark, moderately saturated brown. In OKLCH its lightness is 51%, its chroma 0.133 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.012 away. White text reads best on it, at 5.99:1.
| Hue family | Browns |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.50:1 |
| White text | 5.99:1 |
Values
| HEX | #A3481C |
| RGB | rgb(163, 72, 28) |
| HSL | hsl(20, 71%, 37%) |
| OKLCH | oklch(51.3% 0.133 43.4) |
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 #A3481C | 5.99:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #A3481C | 3.50:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #A3481C text on white | 5.99:1 | AA | Lc 79.3 | Fine for body text |
| #A3481C text on black | 3.50:1 | AA large text | Lc -22.5 | 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 700.
-
Step 50
50
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EFD2C7
oklch(88.5% 0.036 41.9)
-
Step 300
300
#E5B4A0
oklch(80.9% 0.064 43.3)
-
Step 400
400
#D78B6B
oklch(70.7% 0.104 43.5)
-
Step 500
500
#CA6C43
oklch(63.1% 0.131 43.4)
-
Step 600
600
#B55121
oklch(55.5% 0.143 43.3)
-
Step 700
700 (this color)
#A3481C
oklch(51.3% 0.133 43.4)
-
Step 800
800
#7E3614
oklch(42.6% 0.11 43.1)
-
Step 900
900
#663018
oklch(37.7% 0.086 43.3)
-
Step 950
950
#3C1D0F
oklch(27.1% 0.054 44.2)
#A3481C 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) | #625615 | 0.125 |
| Deuteranopia (no green cones) | #786B19 | 0.114 |
| Tritanopia (no blue cones) | #B3333F | 0.068 |
| Achromatopsia (no color) | #636363 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3481C
#A3481C
oklch(51.3% 0.133 43.4)
- #00728F
#00728F
oklch(51.3% 0.096 223.5)
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 #A3481C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.012
- Sienna #A0522D ΔE 0.022
- Cinnamon #AC4F06 ΔE 0.029
- Russet #A13905 ΔE 0.031
- Warm Brown #964E02 ΔE 0.033
- Brick #A03623 ΔE 0.041
- Rusty Red #AF2F0D ΔE 0.045
- Sinopia #BB3E03 ΔE 0.046
Use #A3481C 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.