#A73D35
Closest named color: Brick (#A03623). oklch(50.7% 0.141 27.5), rgb(167, 61, 53).
Aa
White text reads best on this color (6.24:1).
About this color
#A73D35 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.141 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.026 away. White text reads best on it, at 6.24:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.36:1 |
| White text | 6.24:1 |
Values
| HEX | #A73D35 |
| RGB | rgb(167, 61, 53) |
| HSL | hsl(4, 52%, 43%) |
| OKLCH | oklch(50.7% 0.141 27.5) |
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 #A73D35 | 6.24:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #A73D35 | 3.36:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #A73D35 text on white | 6.24:1 | AA | Lc 80.3 | Fine for body text |
| #A73D35 text on black | 3.36:1 | AA large text | Lc -21.5 | 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
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F1D0CB
oklch(88.4% 0.038 28.1)
-
Step 300
300
#EAB0A9
oklch(80.9% 0.069 26.5)
-
Step 400
400
#DD857B
oklch(70.7% 0.11 27.1)
-
Step 500
500
#D16459
oklch(63.2% 0.14 27.6)
-
Step 600
600
#BC473E
oklch(55.6% 0.153 27.5)
-
Step 700
700 (this color)
#A73D35
oklch(50.7% 0.141 27.5)
-
Step 800
800
#832F29
oklch(42.6% 0.117 27.2)
-
Step 900
900
#6A2B25
oklch(37.7% 0.092 27.7)
-
Step 950
950
#3E1A16
oklch(27% 0.057 28)
#A73D35 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) | #595233 | 0.150 |
| Deuteranopia (no green cones) | #746932 | 0.137 |
| Tritanopia (no blue cones) | #B7253C | 0.046 |
| Achromatopsia (no color) | #606060 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A73D35
#A73D35
oklch(50.7% 0.141 27.5)
- #00737F
#00737F
oklch(50.8% 0.087 207.4)
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 #A73D35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.026
- Brown #A52A2A ΔE 0.033
- Rusty Red #AF2F0D ΔE 0.034
- Russet #A13905 ΔE 0.039
- Firebrick #B22222 ΔE 0.040
- Rust Red #AA2704 ΔE 0.042
- Dull Red #BB3F3F ΔE 0.042
- Rufous #AE2012 ΔE 0.044
Use #A73D35 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.