#AB0804
Closest named color: Rufous (#AE2012). oklch(46.8% 0.188 29.3), rgb(171, 8, 4).
Aa
White text reads best on this color (7.58:1).
About this color
#AB0804 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.188 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.021 away. White text reads best on it, at 7.58:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 2.76:1 |
| White text | 7.58:1 |
Values
| HEX | #AB0804 |
| RGB | rgb(171, 8, 4) |
| HSL | hsl(1, 95%, 34%) |
| OKLCH | oklch(46.8% 0.188 29.3) |
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 #AB0804 | 7.58:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #AB0804 | 2.76:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #AB0804 text on white | 7.58:1 | AAA | Lc 84.0 | Fine for body text |
| #AB0804 text on black | 2.76:1 | Fails | Lc -18.0 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CDC6
oklch(88.4% 0.051 28.7)
-
Step 300
300
#F6AB9F
oklch(81% 0.091 29.3)
-
Step 400
400
#ED7A6A
oklch(70.7% 0.145 29.4)
-
Step 500
500
#E45041
oklch(63.1% 0.186 29.1)
-
Step 600
600
#CF2A1E
oklch(55.5% 0.202 29.4)
-
Step 700
700 (this color)
#AB0804
oklch(46.8% 0.188 29.3)
-
Step 800
800
#911A11
oklch(42.7% 0.155 29.5)
-
Step 900
900
#751E16
oklch(37.7% 0.122 29.3)
-
Step 950
950
#45140E
oklch(27.1% 0.077 29.9)
#AB0804 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) | #483E00 | 0.206 |
| Deuteranopia (no green cones) | #6C6000 | 0.184 |
| Tritanopia (no blue cones) | #BD000D | 0.038 |
| Achromatopsia (no color) | #545454 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AB0804
#AB0804
oklch(46.8% 0.188 29.3)
- #006673
#006673
oklch(46.8% 0.081 209.9)
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 #AB0804, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.021
- Rust Red #AA2704 ΔE 0.027
- Burnt Red #9F2305 ΔE 0.029
- Firebrick #B22222 ΔE 0.031
- Brown #A52A2A ΔE 0.033
- Carmine #9D0216 ΔE 0.034
- Auburn #9B2226 ΔE 0.037
- Deep Red #9A0200 ΔE 0.038
Use #AB0804 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.