#AB2518
Closest named color: Rufous (#AE2012). oklch(48.5% 0.172 30), rgb(171, 37, 24).
Aa
White text reads best on this color (6.97:1).
About this color
#AB2518 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.172 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.007 away. White text reads best on it, at 6.97:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 3.00:1 |
| White text | 6.97:1 |
Values
| HEX | #AB2518 |
| RGB | rgb(171, 37, 24) |
| HSL | hsl(5, 75%, 38%) |
| OKLCH | oklch(48.5% 0.172 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 #AB2518 | 6.97:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #AB2518 | 3.00:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #AB2518 text on white | 6.97:1 | AA | Lc 82.6 | Fine for body text |
| #AB2518 text on black | 3.00:1 | AA large text | Lc -19.3 | 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
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F6CEC7
oklch(88.4% 0.046 29.7)
-
Step 300
300
#F2ADA1
oklch(81% 0.084 30)
-
Step 400
400
#E87E6E
oklch(70.7% 0.134 29.8)
-
Step 500
500
#DD5847
oklch(63% 0.17 29.9)
-
Step 600
600
#C93727
oklch(55.6% 0.185 30.1)
-
Step 700
700 (this color)
#AB2518
oklch(48.5% 0.172 30)
-
Step 800
800
#8C2318
oklch(42.6% 0.142 30)
-
Step 900
900
#71241A
oklch(37.7% 0.111 30.3)
-
Step 950
950
#431610
oklch(27% 0.071 30)
#AB2518 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) | #504614 | 0.184 |
| Deuteranopia (no green cones) | #70640F | 0.168 |
| Tritanopia (no blue cones) | #BD0024 | 0.042 |
| Achromatopsia (no color) | #595959 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AB2518
#AB2518
oklch(48.5% 0.172 30)
- #006C79
#006C79
oklch(48.6% 0.084 209.2)
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 #AB2518, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.007
- Rust Red #AA2704 ΔE 0.012
- Firebrick #B22222 ΔE 0.017
- Brown #A52A2A ΔE 0.018
- Rusty Red #AF2F0D ΔE 0.021
- Burnt Red #9F2305 ΔE 0.028
- Brick #A03623 ΔE 0.029
- Auburn #9B2226 ΔE 0.038
Use #AB2518 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.