#AB3B33
Closest named color: Brick (#A03623). oklch(51.1% 0.148 27.6), rgb(171, 59, 51).
Aa
White text reads best on this color (6.16:1).
About this color
#AB3B33 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.148 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.030 away. White text reads best on it, at 6.16:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.40:1 |
| White text | 6.16:1 |
Values
| HEX | #AB3B33 |
| RGB | rgb(171, 59, 51) |
| HSL | hsl(4, 54%, 44%) |
| OKLCH | oklch(51.1% 0.148 27.6) |
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 #AB3B33 | 6.16:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #AB3B33 | 3.40:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #AB3B33 text on white | 6.16:1 | AA | Lc 79.9 | Fine for body text |
| #AB3B33 text on black | 3.40:1 | AA large text | Lc -22.0 | 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
#ECB0A7
oklch(81% 0.072 28.4)
-
Step 400
400
#DF8378
oklch(70.6% 0.115 27.6)
-
Step 500
500
#D36156
oklch(63% 0.146 27.6)
-
Step 600
600
#BF443B
oklch(55.6% 0.16 27.6)
-
Step 700
700 (this color)
#AB3B33
oklch(51.1% 0.148 27.6)
-
Step 800
800
#852D26
oklch(42.6% 0.122 27.9)
-
Step 900
900
#6B2924
oklch(37.6% 0.096 27)
-
Step 950
950
#3F1915
oklch(26.9% 0.06 27.9)
#AB3B33 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) | #5A5231 | 0.156 |
| Deuteranopia (no green cones) | #766A30 | 0.143 |
| Tritanopia (no blue cones) | #BC1F3A | 0.048 |
| Achromatopsia (no color) | #616161 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AB3B33
#AB3B33
oklch(51.1% 0.148 27.6)
- #007480
#007480
oklch(51.1% 0.088 207.3)
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 #AB3B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.030
- Rusty Red #AF2F0D ΔE 0.030
- Brown #A52A2A ΔE 0.033
- Firebrick #B22222 ΔE 0.034
- Dull Red #BB3F3F ΔE 0.037
- Rust Red #AA2704 ΔE 0.040
- Rufous #AE2012 ΔE 0.040
- Russet #A13905 ΔE 0.041
Use #AB3B33 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.