#A42E34
Closest named color: Brown (#A52A2A). oklch(48.4% 0.154 22.4), rgb(164, 46, 52).
Aa
White text reads best on this color (6.95:1).
About this color
#A42E34 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.154 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.011 away. White text reads best on it, at 6.95:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 3.01:1 |
| White text | 6.95:1 |
Values
| HEX | #A42E34 |
| RGB | rgb(164, 46, 52) |
| HSL | hsl(357, 56%, 41%) |
| OKLCH | oklch(48.4% 0.154 22.4) |
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 #A42E34 | 6.95:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #A42E34 | 3.01:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #A42E34 text on white | 6.95:1 | AA | Lc 82.9 | Fine for body text |
| #A42E34 text on black | 3.01:1 | AA large text | Lc -19.0 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E3
oklch(93.7% 0.021 24.8)
-
Step 200
200
#F4CFCD
oklch(88.5% 0.042 21.6)
-
Step 300
300
#EDAEAB
oklch(80.9% 0.074 21.9)
-
Step 400
400
#E1817E
oklch(70.7% 0.119 22.4)
-
Step 500
500
#D65E5E
oklch(63.2% 0.152 22.4)
-
Step 600
600
#C14044
oklch(55.6% 0.165 22.6)
-
Step 700
700 (this color)
#A42E34
oklch(48.4% 0.154 22.4)
-
Step 800
800
#872A2D
oklch(42.7% 0.127 22.5)
-
Step 900
900
#6D2728
oklch(37.7% 0.1 22.4)
-
Step 950
950
#401818
oklch(27% 0.063 22.2)
#A42E34 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) | #4F4933 | 0.167 |
| Deuteranopia (no green cones) | #6D6330 | 0.154 |
| Tritanopia (no blue cones) | #B40531 | 0.042 |
| Achromatopsia (no color) | #595959 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A42E34
#A42E34
oklch(48.4% 0.154 22.4)
- #006C73
#006C73
oklch(48.4% 0.082 202.6)
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 #A42E34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.011
- Brick #A03623 ΔE 0.028
- Auburn #9B2226 ΔE 0.031
- Firebrick #B22222 ΔE 0.031
- Rufous #AE2012 ΔE 0.034
- Rouge #AB1239 ΔE 0.035
- Rust Red #AA2704 ΔE 0.037
- Burnt Red #9F2305 ΔE 0.040
Use #A42E34 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.