#A42401
Closest named color: Burnt Red (#9F2305). oklch(47% 0.168 34), rgb(164, 36, 1).
Aa
White text reads best on this color (7.41:1).
About this color
#A42401 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.168 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Red (#9F2305), ΔE 0.011 away. White text reads best on it, at 7.41:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Burnt Red (#9F2305) |
| Black text | 2.83:1 |
| White text | 7.41:1 |
Values
| HEX | #A42401 |
| RGB | rgb(164, 36, 1) |
| HSL | hsl(13, 99%, 32%) |
| OKLCH | oklch(47% 0.168 34) |
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 #A42401 | 7.41:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #A42401 | 2.83:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #A42401 text on white | 7.41:1 | AAA | Lc 84.2 | Fine for body text |
| #A42401 text on black | 2.83:1 | Fails | Lc -17.7 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E5E0
oklch(93.7% 0.023 34.3)
-
Step 200
200
#F5CFC6
oklch(88.4% 0.045 33.5)
-
Step 300
300
#F0AE9E
oklch(80.9% 0.081 34.1)
-
Step 400
400
#E68069
oklch(70.7% 0.131 33.7)
-
Step 500
500
#DB5B3F
oklch(63% 0.167 33.9)
-
Step 600
600
#C73C1C
oklch(55.7% 0.181 34)
-
Step 700
700 (this color)
#A42401
oklch(47% 0.168 34)
-
Step 800
800
#8B2710
oklch(42.7% 0.139 34)
-
Step 900
900
#702615
oklch(37.8% 0.109 34.3)
-
Step 950
950
#42170E
oklch(27% 0.069 33.5)
#A42401 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) | #4D4300 | 0.177 |
| Deuteranopia (no green cones) | #6D6000 | 0.158 |
| Tritanopia (no blue cones) | #B5001F | 0.046 |
| Achromatopsia (no color) | #555555 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A42401
#A42401
oklch(47% 0.168 34)
- #006677
#006677
oklch(46.9% 0.083 214.3)
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 #A42401, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Red #9F2305 ΔE 0.011
- Rust Red #AA2704 ΔE 0.014
- Rufous #AE2012 ΔE 0.023
- Brown #A52A2A ΔE 0.028
- Brick #A03623 ΔE 0.028
- Rusty Red #AF2F0D ΔE 0.031
- Russet #A13905 ΔE 0.033
- Auburn #9B2226 ΔE 0.033
Use #A42401 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.