#AB211F
Closest named color: Rufous (#AE2012). oklch(48.3% 0.174 27.3), rgb(171, 33, 31).
Aa
White text reads best on this color (7.07:1).
About this color
#AB211F is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.174 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.011 away. White text reads best on it, at 7.07:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #AB211F |
| RGB | rgb(171, 33, 31) |
| HSL | hsl(1, 69%, 40%) |
| OKLCH | oklch(48.3% 0.174 27.3) |
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 #AB211F | 7.07:1 | AAA | Lc -87.9 | Fine for body text |
| Black text on #AB211F | 2.96:1 | Fails | Lc 21.1 | Dividers and decoration only |
| #AB211F text on white | 7.07:1 | AAA | Lc 82.9 | Fine for body text |
| #AB211F text on black | 2.96:1 | Fails | Lc -19.0 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F7CEC8
oklch(88.5% 0.047 27.8)
-
Step 300
300
#F2ACA3
oklch(80.8% 0.084 27.3)
-
Step 400
400
#E87D71
oklch(70.6% 0.134 27.6)
-
Step 500
500
#DE564C
oklch(63% 0.172 27.3)
-
Step 600
600
#CA342F
oklch(55.6% 0.188 27.2)
-
Step 700
700 (this color)
#AB211F
oklch(48.3% 0.174 27.3)
-
Step 800
800
#8D211E
oklch(42.6% 0.144 27)
-
Step 900
900
#72231E
oklch(37.8% 0.112 27.4)
-
Step 950
950
#431612
oklch(27.1% 0.071 27.8)
#AB211F 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) | #4E451D | 0.188 |
| Deuteranopia (no green cones) | #6F6318 | 0.171 |
| Tritanopia (no blue cones) | #BD0023 | 0.038 |
| Achromatopsia (no color) | #585858 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AB211F
#AB211F
oklch(48.3% 0.174 27.3)
- #006B76
#006B76
oklch(48.2% 0.083 207.2)
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 #AB211F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.011
- Firebrick #B22222 ΔE 0.015
- Brown #A52A2A ΔE 0.015
- Rust Red #AA2704 ΔE 0.020
- Rusty Red #AF2F0D ΔE 0.029
- Burnt Red #9F2305 ΔE 0.031
- Brick #A03623 ΔE 0.033
- Auburn #9B2226 ΔE 0.034
Use #AB211F 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.