#A73028
Closest named color: Brown (#A52A2A). oklch(49% 0.157 28.2), rgb(167, 48, 40).
Aa
White text reads best on this color (6.78:1).
About this color
#A73028 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.157 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.012 away. White text reads best on it, at 6.78:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 3.09:1 |
| White text | 6.78:1 |
Values
| HEX | #A73028 |
| RGB | rgb(167, 48, 40) |
| HSL | hsl(4, 61%, 41%) |
| OKLCH | oklch(49% 0.157 28.2) |
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 #A73028 | 6.78:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #A73028 | 3.09:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #A73028 text on white | 6.78:1 | AA | Lc 82.3 | Fine for body text |
| #A73028 text on black | 3.09:1 | AA large text | Lc -19.7 | 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
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F4CFCA
oklch(88.5% 0.042 27)
-
Step 300
300
#EEAFA5
oklch(81% 0.076 29)
-
Step 400
400
#E28275
oklch(70.7% 0.121 28.6)
-
Step 500
500
#D75E52
oklch(63.1% 0.155 28)
-
Step 600
600
#C24036
oklch(55.6% 0.168 28.2)
-
Step 700
700 (this color)
#A73028
oklch(49% 0.157 28.2)
-
Step 800
800
#882A23
oklch(42.8% 0.129 28.1)
-
Step 900
900
#6D2821
oklch(37.7% 0.1 28.5)
-
Step 950
950
#401814
oklch(26.9% 0.063 27.8)
#A73028 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) | #534B26 | 0.166 |
| Deuteranopia (no green cones) | #706524 | 0.153 |
| Tritanopia (no blue cones) | #B8012F | 0.050 |
| Achromatopsia (no color) | #5B5B5B | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A73028
#A73028
oklch(49% 0.157 28.2)
- #006D79
#006D79
oklch(48.9% 0.084 208)
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 #A73028, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.012
- Brick #A03623 ΔE 0.018
- Rust Red #AA2704 ΔE 0.023
- Rufous #AE2012 ΔE 0.023
- Firebrick #B22222 ΔE 0.024
- Rusty Red #AF2F0D ΔE 0.025
- Burnt Red #9F2305 ΔE 0.034
- Russet #A13905 ΔE 0.034
Use #A73028 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.