#A3432B
Closest named color: Burnt Umber (#A0450E). oklch(50.7% 0.133 35.2), rgb(163, 67, 43).
Aa
White text reads best on this color (6.18:1).
About this color
#A3432B is a medium-dark, moderately saturated red. In OKLCH its lightness is 51%, its chroma 0.133 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.025 away. White text reads best on it, at 6.18:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.39:1 |
| White text | 6.18:1 |
Values
| HEX | #A3432B |
| RGB | rgb(163, 67, 43) |
| HSL | hsl(12, 58%, 40%) |
| OKLCH | oklch(50.7% 0.133 35.2) |
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 #A3432B | 6.18:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #A3432B | 3.39:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #A3432B text on white | 6.18:1 | AA | Lc 80.2 | Fine for body text |
| #A3432B text on black | 3.39:1 | AA large text | Lc -21.7 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#F0D1C9
oklch(88.4% 0.037 34.8)
-
Step 300
300
#E7B2A5
oklch(80.8% 0.065 34.2)
-
Step 400
400
#D98974
oklch(70.8% 0.103 35.5)
-
Step 500
500
#CC6950
oklch(63.1% 0.131 35.2)
-
Step 600
600
#B74E34
oklch(55.6% 0.142 35.1)
-
Step 700
700 (this color)
#A3432B
oklch(50.7% 0.133 35.2)
-
Step 800
800
#803421
oklch(42.7% 0.11 35.2)
-
Step 900
900
#672E20
oklch(37.6% 0.086 35)
-
Step 950
950
#3D1C13
oklch(27.1% 0.054 36.2)
#A3432B 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) | #5D5428 | 0.134 |
| Deuteranopia (no green cones) | #756928 | 0.123 |
| Tritanopia (no blue cones) | #B32E3E | 0.055 |
| Achromatopsia (no color) | #616161 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3432B
#A3432B
oklch(50.7% 0.133 35.2)
- #007285
#007285
oklch(50.8% 0.09 214.5)
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 #A3432B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.025
- Brick #A03623 ΔE 0.027
- Russet #A13905 ΔE 0.028
- Sienna #A0522D ΔE 0.033
- Rusty Red #AF2F0D ΔE 0.037
- Brown #A52A2A ΔE 0.045
- Cinnamon #AC4F06 ΔE 0.045
- Rust Red #AA2704 ΔE 0.045
Use #A3432B 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.