#A03E33
Closest named color: Brick (#A03623). oklch(49.7% 0.133 29.1), rgb(160, 62, 51).
Aa
White text reads best on this color (6.49:1).
About this color
#A03E33 is a medium-dark, moderately saturated red. In OKLCH its lightness is 50%, its chroma 0.133 and its hue 29°. 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 6.49:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.23:1 |
| White text | 6.49:1 |
Values
| HEX | #A03E33 |
| RGB | rgb(160, 62, 51) |
| HSL | hsl(6, 52%, 41%) |
| OKLCH | oklch(49.7% 0.133 29.1) |
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 #A03E33 | 6.49:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #A03E33 | 3.23:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #A03E33 text on white | 6.49:1 | AA | Lc 81.5 | Fine for body text |
| #A03E33 text on black | 3.23:1 | AA large text | Lc -20.4 | 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
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#F0D1CC
oklch(88.5% 0.036 28.7)
-
Step 300
300
#E7B2A9
oklch(80.9% 0.064 29.5)
-
Step 400
400
#D9877B
oklch(70.6% 0.103 28.9)
-
Step 500
500
#CD675A
oklch(63.1% 0.132 28.8)
-
Step 600
600
#B84C3F
oklch(55.6% 0.143 29.3)
-
Step 700
700 (this color)
#A03E33
oklch(49.7% 0.133 29.1)
-
Step 800
800
#80332A
oklch(42.7% 0.109 29.1)
-
Step 900
900
#682D26
oklch(37.7% 0.086 28.7)
-
Step 950
950
#3D1B17
oklch(27% 0.054 28.1)
#A03E33 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) | #585131 | 0.139 |
| Deuteranopia (no green cones) | #706630 | 0.129 |
| Tritanopia (no blue cones) | #B0293C | 0.047 |
| Achromatopsia (no color) | #5E5E5E | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A03E33
#A03E33
oklch(49.7% 0.133 29.1)
- #006F7C
#006F7C
oklch(49.6% 0.085 208.9)
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 #A03E33, 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 0.033
- Russet #A13905 ΔE 0.034
- Burnt Umber #A0450E ΔE 0.039
- Rusty Red #AF2F0D ΔE 0.040
- Rust Red #AA2704 ΔE 0.043
- Light Maroon #A24857 ΔE 0.047
- Firebrick #B22222 ΔE 0.047
Use #A03E33 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.