#A7372D
Closest named color: Brick (#A03623). oklch(49.9% 0.149 28.6), rgb(167, 55, 45).
Aa
White text reads best on this color (6.50:1).
About this color
#A7372D is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.149 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.018 away. White text reads best on it, at 6.50:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.22:1 |
| White text | 6.50:1 |
Values
| HEX | #A7372D |
| RGB | rgb(167, 55, 45) |
| HSL | hsl(5, 58%, 42%) |
| OKLCH | oklch(49.9% 0.149 28.6) |
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 #A7372D | 6.50:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #A7372D | 3.22:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #A7372D text on white | 6.50:1 | AA | Lc 81.3 | Fine for body text |
| #A7372D text on black | 3.22:1 | AA large text | Lc -20.6 | 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
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F3D0CA
oklch(88.6% 0.04 29.4)
-
Step 300
300
#ECB0A6
oklch(81% 0.072 29.4)
-
Step 400
400
#DF8477
oklch(70.7% 0.115 28.9)
-
Step 500
500
#D46154
oklch(63.1% 0.148 28.5)
-
Step 600
600
#BF4438
oklch(55.6% 0.16 28.8)
-
Step 700
700 (this color)
#A7372D
oklch(49.9% 0.149 28.6)
-
Step 800
800
#862D24
oklch(42.8% 0.124 29)
-
Step 900
900
#6C2922
oklch(37.7% 0.097 28.5)
-
Step 950
950
#3F1915
oklch(26.9% 0.06 27.9)
#A7372D 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) | #564E2B | 0.158 |
| Deuteranopia (no green cones) | #726729 | 0.145 |
| Tritanopia (no blue cones) | #B81835 | 0.049 |
| Achromatopsia (no color) | #5E5E5E | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A7372D
#A7372D
oklch(49.9% 0.149 28.6)
- #00707D
#00707D
oklch(49.9% 0.086 208.8)
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 #A7372D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.018
- Brown #A52A2A ΔE 0.022
- Rusty Red #AF2F0D ΔE 0.026
- Rust Red #AA2704 ΔE 0.031
- Firebrick #B22222 ΔE 0.031
- Rufous #AE2012 ΔE 0.033
- Russet #A13905 ΔE 0.033
- Burnt Red #9F2305 ΔE 0.043
Use #A7372D 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.