#A42C30
Closest named color: Brown (#A52A2A). oklch(48.2% 0.156 23.6), rgb(164, 44, 48).
Aa
White text reads best on this color (7.04:1).
About this color
#A42C30 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.156 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.007 away. White text reads best on it, at 7.04:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 2.98:1 |
| White text | 7.04:1 |
Values
| HEX | #A42C30 |
| RGB | rgb(164, 44, 48) |
| HSL | hsl(358, 58%, 41%) |
| OKLCH | oklch(48.2% 0.156 23.6) |
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 #A42C30 | 7.04:1 | AAA | Lc -88.2 | Fine for body text |
| Black text on #A42C30 | 2.98:1 | Fails | Lc 20.8 | Dividers and decoration only |
| #A42C30 text on white | 7.04:1 | AAA | Lc 83.2 | Fine for body text |
| #A42C30 text on black | 2.98:1 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E3
oklch(93.7% 0.021 24.8)
-
Step 200
200
#F4CFCC
oklch(88.5% 0.042 23.5)
-
Step 300
300
#EEAEA9
oklch(80.9% 0.076 23.9)
-
Step 400
400
#E2817C
oklch(70.7% 0.12 23.7)
-
Step 500
500
#D75D5B
oklch(63.1% 0.155 23.5)
-
Step 600
600
#C23F41
oklch(55.6% 0.167 23.6)
-
Step 700
700 (this color)
#A42C30
oklch(48.2% 0.156 23.6)
-
Step 800
800
#88292A
oklch(42.7% 0.129 23.9)
-
Step 900
900
#6D2726
oklch(37.6% 0.1 24)
-
Step 950
950
#401817
oklch(27% 0.063 23.6)
#A42C30 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) | #4E482F | 0.170 |
| Deuteranopia (no green cones) | #6C622C | 0.156 |
| Tritanopia (no blue cones) | #B4002F | 0.042 |
| Achromatopsia (no color) | #595959 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A42C30
#A42C30
oklch(48.2% 0.156 23.6)
- #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 #A42C30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.007
- Brick #A03623 ΔE 0.026
- Auburn #9B2226 ΔE 0.027
- Firebrick #B22222 ΔE 0.030
- Rufous #AE2012 ΔE 0.030
- Rust Red #AA2704 ΔE 0.033
- Rouge #AB1239 ΔE 0.035
- Burnt Red #9F2305 ΔE 0.036
Use #A42C30 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.