#A0302B
Closest named color: Brown (#A52A2A). oklch(47.8% 0.149 26.9), rgb(160, 48, 43).
Aa
White text reads best on this color (7.11:1).
About this color
#A0302B is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.149 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.012 away. White text reads best on it, at 7.11:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 2.95:1 |
| White text | 7.11:1 |
Values
| HEX | #A0302B |
| RGB | rgb(160, 48, 43) |
| HSL | hsl(3, 58%, 40%) |
| OKLCH | oklch(47.8% 0.149 26.9) |
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 #A0302B | 7.11:1 | AAA | Lc -88.6 | Fine for body text |
| Black text on #A0302B | 2.95:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #A0302B text on white | 7.11:1 | AAA | Lc 83.6 | Fine for body text |
| #A0302B text on black | 2.95:1 | Fails | Lc -18.3 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F3D0CB
oklch(88.6% 0.04 27.5)
-
Step 300
300
#ECAFA8
oklch(80.9% 0.073 26.2)
-
Step 400
400
#DF8379
oklch(70.6% 0.115 27)
-
Step 500
500
#D46157
oklch(63.2% 0.147 27.1)
-
Step 600
600
#BF443C
oklch(55.6% 0.16 27.2)
-
Step 700
700 (this color)
#A0302B
oklch(47.8% 0.149 26.9)
-
Step 800
800
#852D27
oklch(42.7% 0.122 27.3)
-
Step 900
900
#6C2924
oklch(37.7% 0.097 27)
-
Step 950
950
#3F1916
oklch(27% 0.06 26.4)
#A0302B 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) | #504929 | 0.158 |
| Deuteranopia (no green cones) | #6C6127 | 0.145 |
| Tritanopia (no blue cones) | #B00C30 | 0.046 |
| Achromatopsia (no color) | #585858 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A0302B
#A0302B
oklch(47.8% 0.149 26.9)
- #006A74
#006A74
oklch(47.9% 0.082 206.2)
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 #A0302B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.012
- Brick #A03623 ΔE 0.016
- Auburn #9B2226 ΔE 0.026
- Burnt Red #9F2305 ΔE 0.030
- Rust Red #AA2704 ΔE 0.031
- Rufous #AE2012 ΔE 0.033
- Firebrick #B22222 ΔE 0.036
- Russet #A13905 ΔE 0.037
Use #A0302B 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.