#A43B3C
Closest named color: Brick (#A03623). oklch(50.1% 0.139 23.1), rgb(164, 59, 60).
Aa
White text reads best on this color (6.42:1).
About this color
#A43B3C is a medium-dark, moderately saturated red. In OKLCH its lightness is 50%, its chroma 0.139 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.029 away. White text reads best on it, at 6.42:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.26:1 |
| White text | 6.42:1 |
Values
| HEX | #A43B3C |
| RGB | rgb(164, 59, 60) |
| HSL | hsl(359, 47%, 44%) |
| OKLCH | oklch(50.1% 0.139 23.1) |
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 #A43B3C | 6.42:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #A43B3C | 3.26:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #A43B3C text on white | 6.42:1 | AA | Lc 81.1 | Fine for body text |
| #A43B3C text on black | 3.26:1 | AA large text | Lc -20.8 | 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
#F7E5E4
oklch(93.6% 0.02 21.4)
-
Step 200
200
#F1D0CE
oklch(88.5% 0.037 22)
-
Step 300
300
#E9B0AC
oklch(80.8% 0.067 23.2)
-
Step 400
400
#DC8581
oklch(70.8% 0.108 23)
-
Step 500
500
#D06361
oklch(63.1% 0.139 22.9)
-
Step 600
600
#BB4748
oklch(55.6% 0.15 22.9)
-
Step 700
700 (this color)
#A43B3C
oklch(50.1% 0.139 23.1)
-
Step 800
800
#832F30
oklch(42.8% 0.116 22.7)
-
Step 900
900
#692B2A
oklch(37.7% 0.089 23.3)
-
Step 950
950
#3E1A19
oklch(27% 0.057 23.2)
#A43B3C 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) | #56513B | 0.150 |
| Deuteranopia (no green cones) | #716739 | 0.137 |
| Tritanopia (no blue cones) | #B4253C | 0.041 |
| Achromatopsia (no color) | #5F5F5F | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A43B3C
#A43B3C
oklch(50.1% 0.139 23.1)
- #007179
#007179
oklch(50% 0.085 203.4)
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 #A43B3C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.029
- Brown #A52A2A ΔE 0.030
- Light Maroon #A24857 ΔE 0.038
- Firebrick #B22222 ΔE 0.042
- Light Burgundy #A8415B ΔE 0.043
- Rusty Red #AF2F0D ΔE 0.043
- Rufous #AE2012 ΔE 0.047
- Russet #A13905 ΔE 0.047
Use #A43B3C 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.