#A33E30
Closest named color: Brick (#A03623). oklch(50.1% 0.137 30.4), rgb(163, 62, 48).
Aa
White text reads best on this color (6.38:1).
About this color
#A33E30 is a medium-dark, moderately saturated red. In OKLCH its lightness is 50%, its chroma 0.137 and its hue 30°. 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 6.38:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.28:1 |
| White text | 6.38:1 |
Values
| HEX | #A33E30 |
| RGB | rgb(163, 62, 48) |
| HSL | hsl(7, 55%, 41%) |
| OKLCH | oklch(50.1% 0.137 30.4) |
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 #A33E30 | 6.38:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #A33E30 | 3.28:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #A33E30 text on white | 6.38:1 | AA | Lc 81.0 | Fine for body text |
| #A33E30 text on black | 3.28:1 | AA large text | Lc -20.9 | 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
#F6E5E2
oklch(93.5% 0.019 29.5)
-
Step 200
200
#F1D1CB
oklch(88.6% 0.037 30.4)
-
Step 300
300
#E8B1A7
oklch(80.8% 0.066 30.3)
-
Step 400
400
#DB8778
oklch(70.8% 0.106 30.8)
-
Step 500
500
#CE6656
oklch(63% 0.135 30.3)
-
Step 600
600
#BA4B3B
oklch(55.7% 0.147 30.5)
-
Step 700
700 (this color)
#A33E30
oklch(50.1% 0.137 30.4)
-
Step 800
800
#823226
oklch(42.8% 0.113 30.8)
-
Step 900
900
#692D24
oklch(37.9% 0.088 30.4)
-
Step 950
950
#3E1B15
oklch(27.1% 0.056 31.1)
#A33E30 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) | #59512E | 0.142 |
| Deuteranopia (no green cones) | #72672D | 0.131 |
| Tritanopia (no blue cones) | #B3273B | 0.049 |
| Achromatopsia (no color) | #5F5F5F | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A33E30
#A33E30
oklch(50.1% 0.137 30.4)
- #00707F
#00707F
oklch(50% 0.087 210.8)
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 #A33E30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.019
- Russet #A13905 ΔE 0.031
- Brown #A52A2A ΔE 0.033
- Rusty Red #AF2F0D ΔE 0.035
- Burnt Umber #A0450E ΔE 0.036
- Rust Red #AA2704 ΔE 0.040
- Firebrick #B22222 ΔE 0.044
- Rufous #AE2012 ΔE 0.045
Use #A33E30 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.