#A33A2D
Closest named color: Brick (#A03623). oklch(49.5% 0.142 30), rgb(163, 58, 45).
Aa
White text reads best on this color (6.56:1).
About this color
#A33A2D is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.142 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.013 away. White text reads best on it, at 6.56:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.20:1 |
| White text | 6.56:1 |
Values
| HEX | #A33A2D |
| RGB | rgb(163, 58, 45) |
| HSL | hsl(7, 57%, 41%) |
| OKLCH | oklch(49.5% 0.142 30) |
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 #A33A2D | 6.56:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #A33A2D | 3.20:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #A33A2D text on white | 6.56:1 | AA | Lc 81.6 | Fine for body text |
| #A33A2D text on black | 3.20:1 | AA large text | Lc -20.2 | 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
#F7E5E2
oklch(93.5% 0.02 28.9)
-
Step 200
200
#F1D0CA
oklch(88.4% 0.038 30)
-
Step 300
300
#EAB1A7
oklch(81% 0.069 29.9)
-
Step 400
400
#DC8678
oklch(70.7% 0.109 30)
-
Step 500
500
#D06455
oklch(63% 0.14 29.6)
-
Step 600
600
#BC4839
oklch(55.6% 0.153 30)
-
Step 700
700 (this color)
#A33A2D
oklch(49.5% 0.142 30)
-
Step 800
800
#833025
oklch(42.7% 0.117 30.2)
-
Step 900
900
#6A2B23
oklch(37.7% 0.092 29.4)
-
Step 950
950
#3E1A15
oklch(26.9% 0.058 29.5)
#A33A2D 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) | #574F2B | 0.148 |
| Deuteranopia (no green cones) | #71662A | 0.136 |
| Tritanopia (no blue cones) | #B32038 | 0.050 |
| Achromatopsia (no color) | #5D5D5D | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A33A2D
#A33A2D
oklch(49.5% 0.142 30)
- #006F7D
#006F7D
oklch(49.6% 0.086 209.9)
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 #A33A2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.013
- Brown #A52A2A ΔE 0.026
- Russet #A13905 ΔE 0.029
- Rusty Red #AF2F0D ΔE 0.031
- Rust Red #AA2704 ΔE 0.034
- Rufous #AE2012 ΔE 0.038
- Burnt Umber #A0450E ΔE 0.039
- Firebrick #B22222 ΔE 0.039
Use #A33A2D 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.