#A8242B
Closest named color: Brown (#A52A2A). oklch(48.1% 0.168 23.8), rgb(168, 36, 43).
Aa
White text reads best on this color (7.11:1).
About this color
#A8242B is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.168 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.009 away. White text reads best on it, at 7.11:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 2.95:1 |
| White text | 7.11:1 |
Values
| HEX | #A8242B |
| RGB | rgb(168, 36, 43) |
| HSL | hsl(357, 65%, 40%) |
| OKLCH | oklch(48.1% 0.168 23.8) |
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 #A8242B | 7.11:1 | AAA | Lc -88.2 | Fine for body text |
| Black text on #A8242B | 2.95:1 | Fails | Lc 20.8 | Dividers and decoration only |
| #A8242B text on white | 7.11:1 | AAA | Lc 83.2 | Fine for body text |
| #A8242B text on black | 2.95:1 | Fails | Lc -18.7 | 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
#F9E4E2
oklch(93.5% 0.023 24.1)
-
Step 200
200
#F6CECB
oklch(88.5% 0.046 23.1)
-
Step 300
300
#F1ACA7
oklch(80.8% 0.082 23.7)
-
Step 400
400
#E67E79
oklch(70.7% 0.129 23.8)
-
Step 500
500
#DC5856
oklch(63.1% 0.166 24)
-
Step 600
600
#C7373C
oklch(55.6% 0.181 23.6)
-
Step 700
700 (this color)
#A8242B
oklch(48.1% 0.168 23.8)
-
Step 800
800
#8B2427
oklch(42.7% 0.138 23.8)
-
Step 900
900
#702424
oklch(37.7% 0.108 23.9)
-
Step 950
950
#421615
oklch(27% 0.069 24.1)
#A8242B 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) | #4D462A | 0.182 |
| Deuteranopia (no green cones) | #6D6226 | 0.167 |
| Tritanopia (no blue cones) | #B90028 | 0.036 |
| Achromatopsia (no color) | #585858 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A8242B
#A8242B
oklch(48.1% 0.168 23.8)
- #006B73
#006B73
oklch(48.1% 0.082 203.8)
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 #A8242B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.009
- Firebrick #B22222 ΔE 0.022
- Rufous #AE2012 ΔE 0.023
- Auburn #9B2226 ΔE 0.029
- Rouge #AB1239 ΔE 0.029
- Rust Red #AA2704 ΔE 0.030
- Brick #A03623 ΔE 0.033
- Burnt Red #9F2305 ΔE 0.035
Use #A8242B 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.