#A3471C
Closest named color: Burnt Umber (#A0450E). oklch(51.2% 0.134 42.8), rgb(163, 71, 28).
Aa
White text reads best on this color (6.04:1).
About this color
#A3471C is a medium-dark, moderately saturated brown. In OKLCH its lightness is 51%, its chroma 0.134 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.011 away. White text reads best on it, at 6.04:1.
| Hue family | Browns |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.47:1 |
| White text | 6.04:1 |
Values
| HEX | #A3471C |
| RGB | rgb(163, 71, 28) |
| HSL | hsl(19, 71%, 37%) |
| OKLCH | oklch(51.2% 0.134 42.8) |
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 #A3471C | 6.04:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #A3471C | 3.47:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #A3471C text on white | 6.04:1 | AA | Lc 79.5 | Fine for body text |
| #A3471C text on black | 3.47:1 | 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
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#EFD2C7
oklch(88.5% 0.036 41.9)
-
Step 300
300
#E6B4A0
oklch(81% 0.065 42.9)
-
Step 400
400
#D78B6C
oklch(70.8% 0.103 42.9)
-
Step 500
500
#CA6B43
oklch(63% 0.132 42.7)
-
Step 600
600
#B65122
oklch(55.7% 0.144 42.9)
-
Step 700
700 (this color)
#A3471C
oklch(51.2% 0.134 42.8)
-
Step 800
800
#7F3614
oklch(42.7% 0.111 42.8)
-
Step 900
900
#663018
oklch(37.7% 0.086 43.3)
-
Step 950
950
#3C1C0F
oklch(26.9% 0.055 42.2)
#A3471C 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) | #615616 | 0.127 |
| Deuteranopia (no green cones) | #776A19 | 0.115 |
| Tritanopia (no blue cones) | #B3323E | 0.066 |
| Achromatopsia (no color) | #636363 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3471C
#A3471C
oklch(51.2% 0.134 42.8)
- #00728E
#00728E
oklch(51.2% 0.095 222.7)
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 #A3471C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.011
- Sienna #A0522D ΔE 0.024
- Russet #A13905 ΔE 0.029
- Cinnamon #AC4F06 ΔE 0.030
- Warm Brown #964E02 ΔE 0.034
- Brick #A03623 ΔE 0.039
- Rusty Red #AF2F0D ΔE 0.044
- Sinopia #BB3E03 ΔE 0.046
Use #A3471C 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.