#A03B35
Closest named color: Brick (#A03623). oklch(49.3% 0.136 26.6), rgb(160, 59, 53).
Aa
White text reads best on this color (6.62:1).
About this color
#A03B35 is a medium-dark, moderately saturated red. In OKLCH its lightness is 49%, its chroma 0.136 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.019 away. White text reads best on it, at 6.62:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.17:1 |
| White text | 6.62:1 |
Values
| HEX | #A03B35 |
| RGB | rgb(160, 59, 53) |
| HSL | hsl(3, 50%, 42%) |
| OKLCH | oklch(49.3% 0.136 26.6) |
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 #A03B35 | 6.62:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #A03B35 | 3.17:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #A03B35 text on white | 6.62:1 | AA | Lc 82.0 | Fine for body text |
| #A03B35 text on black | 3.17:1 | AA large text | Lc -19.9 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E5E3
oklch(93.5% 0.019 25.6)
-
Step 200
200
#F1D1CC
oklch(88.6% 0.037 28.4)
-
Step 300
300
#E8B1AA
oklch(80.9% 0.065 26.9)
-
Step 400
400
#DA867D
oklch(70.6% 0.105 26.6)
-
Step 500
500
#CE665C
oklch(63.2% 0.134 27.1)
-
Step 600
600
#B94A43
oklch(55.6% 0.145 26.5)
-
Step 700
700 (this color)
#A03B35
oklch(49.3% 0.136 26.6)
-
Step 800
800
#81312C
oklch(42.6% 0.112 26.5)
-
Step 900
900
#682C28
oklch(37.6% 0.087 25.9)
-
Step 950
950
#3D1B17
oklch(27% 0.054 28.1)
#A03B35 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) | #564F34 | 0.143 |
| Deuteranopia (no green cones) | #6F6532 | 0.133 |
| Tritanopia (no blue cones) | #B0253A | 0.044 |
| Achromatopsia (no color) | #5D5D5D | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A03B35
#A03B35
oklch(49.3% 0.136 26.6)
- #006E79
#006E79
oklch(49.2% 0.084 206.9)
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 #A03B35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.019
- Brown #A52A2A ΔE 0.027
- Russet #A13905 ΔE 0.037
- Rusty Red #AF2F0D ΔE 0.041
- Rust Red #AA2704 ΔE 0.042
- Firebrick #B22222 ΔE 0.044
- Auburn #9B2226 ΔE 0.044
- Rufous #AE2012 ΔE 0.045
Use #A03B35 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.