#AB1924
Closest named color: Brown (#A52A2A). oklch(47.8% 0.179 24.4), rgb(171, 25, 36).
Aa
White text reads best on this color (7.25:1).
About this color
#AB1924 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.179 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.019 away. White text reads best on it, at 7.25:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #AB1924 |
| RGB | rgb(171, 25, 36) |
| HSL | hsl(355, 74%, 38%) |
| OKLCH | oklch(47.8% 0.179 24.4) |
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 #AB1924 | 7.25:1 | AAA | Lc -88.4 | Fine for body text |
| Black text on #AB1924 | 2.89:1 | Fails | Lc 20.7 | Dividers and decoration only |
| #AB1924 text on white | 7.25:1 | AAA | Lc 83.4 | Fine for body text |
| #AB1924 text on black | 2.89:1 | Fails | Lc -18.6 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F8CECA
oklch(88.6% 0.048 24.5)
-
Step 300
300
#F4ABA5
oklch(80.9% 0.087 24.4)
-
Step 400
400
#EA7B75
oklch(70.7% 0.138 24.4)
-
Step 500
500
#E05351
oklch(63% 0.177 24.4)
-
Step 600
600
#CC2F35
oklch(55.6% 0.193 24.4)
-
Step 700
700 (this color)
#AB1924
oklch(47.8% 0.179 24.4)
-
Step 800
800
#8F1E22
oklch(42.8% 0.148 24.6)
-
Step 900
900
#732121
oklch(37.8% 0.115 24.5)
-
Step 950
950
#441514
oklch(27.2% 0.073 24.5)
#AB1924 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) | #4A4323 | 0.196 |
| Deuteranopia (no green cones) | #6D621E | 0.179 |
| Tritanopia (no blue cones) | #BD001F | 0.036 |
| Achromatopsia (no color) | #575757 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AB1924
#AB1924
oklch(47.8% 0.179 24.4)
- #006A72
#006A72
oklch(47.8% 0.081 203.9)
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 #AB1924, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.019
- Rufous #AE2012 ΔE 0.020
- Firebrick #B22222 ΔE 0.020
- Rouge #AB1239 ΔE 0.028
- Rust Red #AA2704 ΔE 0.030
- Auburn #9B2226 ΔE 0.032
- Burnt Red #9F2305 ΔE 0.036
- Scarlet #BE0119 ΔE 0.038
Use #AB1924 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.