#AB2B00
Closest named color: Rust Red (#AA2704). oklch(48.9% 0.17 35.4), rgb(171, 43, 0).
Aa
White text reads best on this color (6.82:1).
About this color
#AB2B00 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.170 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Red (#AA2704), ΔE 0.007 away. White text reads best on it, at 6.82:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Rust Red (#AA2704) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #AB2B00 |
| RGB | rgb(171, 43, 0) |
| HSL | hsl(15, 100%, 34%) |
| OKLCH | oklch(48.9% 0.17 35.4) |
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 #AB2B00 | 6.82:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #AB2B00 | 3.07:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #AB2B00 text on white | 6.82:1 | AA | Lc 82.1 | Fine for body text |
| #AB2B00 text on black | 3.07:1 | AA large text | Lc -19.8 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F6CFC5
oklch(88.5% 0.046 34.7)
-
Step 300
300
#F0AE9D
oklch(80.8% 0.082 35)
-
Step 400
400
#E68066
oklch(70.6% 0.132 35.3)
-
Step 500
500
#DC5B3B
oklch(63.1% 0.169 35.1)
-
Step 600
600
#C73B13
oklch(55.6% 0.183 35.2)
-
Step 700
700 (this color)
#AB2B00
oklch(48.9% 0.17 35.4)
-
Step 800
800
#8B2609
oklch(42.6% 0.141 35.2)
-
Step 900
900
#702612
oklch(37.7% 0.109 35.8)
-
Step 950
950
#42170C
oklch(27% 0.07 35.4)
#AB2B00 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) | #534800 | 0.177 |
| Deuteranopia (no green cones) | #736500 | 0.157 |
| Tritanopia (no blue cones) | #BD0025 | 0.054 |
| Achromatopsia (no color) | #5B5B5B | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AB2B00
#AB2B00
oklch(48.9% 0.17 35.4)
- #006C7F
#006C7F
oklch(48.9% 0.087 215.4)
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 #AB2B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Red #AA2704 ΔE 0.007
- Rusty Red #AF2F0D ΔE 0.012
- Rufous #AE2012 ΔE 0.018
- Russet #A13905 ΔE 0.027
- Brick #A03623 ΔE 0.027
- Firebrick #B22222 ΔE 0.029
- Burnt Red #9F2305 ΔE 0.030
- Brown #A52A2A ΔE 0.031
Use #AB2B00 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.