#A23A42
Closest named color: Brown (#A52A2A). oklch(49.7% 0.138 19.2), rgb(162, 58, 66).
Aa
White text reads best on this color (6.52:1).
About this color
#A23A42 is a medium-dark, moderately saturated red. In OKLCH its lightness is 50%, its chroma 0.138 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.032 away. White text reads best on it, at 6.52:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 3.22:1 |
| White text | 6.52:1 |
Values
| HEX | #A23A42 |
| RGB | rgb(162, 58, 66) |
| HSL | hsl(355, 47%, 43%) |
| OKLCH | oklch(49.7% 0.138 19.2) |
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 #A23A42 | 6.52:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #A23A42 | 3.22:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #A23A42 text on white | 6.52:1 | AA | Lc 81.5 | Fine for body text |
| #A23A42 text on black | 3.22:1 | AA large text | Lc -20.4 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E5
oklch(93.6% 0.02 17.5)
-
Step 200
200
#F1D0CF
oklch(88.5% 0.037 19.9)
-
Step 300
300
#E9B0AF
oklch(80.9% 0.067 19.8)
-
Step 400
400
#DB8586
oklch(70.8% 0.106 19.3)
-
Step 500
500
#CF6368
oklch(63.1% 0.137 19)
-
Step 600
600
#BA474F
oklch(55.5% 0.149 19.3)
-
Step 700
700 (this color)
#A23A42
oklch(49.7% 0.138 19.2)
-
Step 800
800
#822F35
oklch(42.7% 0.114 19.1)
-
Step 900
900
#692B2E
oklch(37.7% 0.089 19.4)
-
Step 950
950
#3E1A1B
oklch(27.1% 0.056 19.8)
#A23A42 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) | #545042 | 0.149 |
| Deuteranopia (no green cones) | #6E663F | 0.139 |
| Tritanopia (no blue cones) | #B1263E | 0.037 |
| Achromatopsia (no color) | #5E5E5E | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A23A42
#A23A42
oklch(49.7% 0.138 19.2)
- #007175
#007175
oklch(49.8% 0.085 199.1)
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 #A23A42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.032
- Light Maroon #A24857 ΔE 0.034
- Brick #A03623 ΔE 0.036
- Light Burgundy #A8415B ΔE 0.037
- Firebrick #B22222 ΔE 0.047
- Auburn #9B2226 ΔE 0.049
- Rouge #AB1239 ΔE 0.049
- Rusty Red #AF2F0D ΔE 0.052
Use #A23A42 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.