#A1491B
Closest named color: Burnt Umber (#A0450E). oklch(51.2% 0.13 44.8), rgb(161, 73, 27).
Aa
White text reads best on this color (6.02:1).
About this color
#A1491B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 51%, its chroma 0.130 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.010 away. White text reads best on it, at 6.02:1.
| Hue family | Browns |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.48:1 |
| White text | 6.02:1 |
Values
| HEX | #A1491B |
| RGB | rgb(161, 73, 27) |
| HSL | hsl(21, 71%, 37%) |
| OKLCH | oklch(51.2% 0.13 44.8) |
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 #A1491B | 6.02:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #A1491B | 3.48:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #A1491B text on white | 6.02:1 | AA | Lc 79.5 | Fine for body text |
| #A1491B text on black | 3.48:1 | AA large text | Lc -22.3 | 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
#EED2C7
oklch(88.4% 0.035 42.7)
-
Step 300
300
#E4B4A0
oklch(80.8% 0.063 43.7)
-
Step 400
400
#D58C6B
oklch(70.7% 0.101 45)
-
Step 500
500
#C86D43
oklch(63% 0.129 44.5)
-
Step 600
600
#B45321
oklch(55.7% 0.14 44.7)
-
Step 700
700 (this color)
#A1491B
oklch(51.2% 0.13 44.8)
-
Step 800
800
#7D3814
oklch(42.7% 0.107 44.9)
-
Step 900
900
#653118
oklch(37.7% 0.083 44.8)
-
Step 950
950
#3B1D0F
oklch(26.9% 0.053 44.9)
#A1491B 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) | #625714 | 0.121 |
| Deuteranopia (no green cones) | #776A18 | 0.110 |
| Tritanopia (no blue cones) | #B13540 | 0.069 |
| Achromatopsia (no color) | #636363 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1491B
#A1491B
oklch(51.2% 0.13 44.8)
- #007190
#007190
oklch(51.1% 0.097 225.3)
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 #A1491B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.010
- Sienna #A0522D ΔE 0.021
- Warm Brown #964E02 ΔE 0.029
- Cinnamon #AC4F06 ΔE 0.029
- Russet #A13905 ΔE 0.032
- Brick #A03623 ΔE 0.043
- Saddle Brown #8B4513 ΔE 0.046
- Sepia #985E2B ΔE 0.048
Use #A1491B 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.