#A73E17
Closest named color: Russet (#A13905). oklch(50.5% 0.147 38.8), rgb(167, 62, 23).
Aa
White text reads best on this color (6.27:1).
About this color
#A73E17 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.147 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Russet (#A13905), ΔE 0.018 away. White text reads best on it, at 6.27:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.147) |
| Temperature | warm |
| Nearest name | Russet (#A13905) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #A73E17 |
| RGB | rgb(167, 62, 23) |
| HSL | hsl(16, 76%, 37%) |
| OKLCH | oklch(50.5% 0.147 38.8) |
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 #A73E17 | 6.27:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #A73E17 | 3.34:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #A73E17 text on white | 6.27:1 | AA | Lc 80.4 | Fine for body text |
| #A73E17 text on black | 3.34:1 | AA large text | Lc -21.4 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F2D1C6
oklch(88.5% 0.04 39.3)
-
Step 300
300
#EAB19F
oklch(80.8% 0.072 38.2)
-
Step 400
400
#DD876B
oklch(70.8% 0.113 38.8)
-
Step 500
500
#D16542
oklch(63% 0.146 38.4)
-
Step 600
600
#BD491F
oklch(55.6% 0.159 38.8)
-
Step 700
700 (this color)
#A73E17
oklch(50.5% 0.147 38.8)
-
Step 800
800
#843112
oklch(42.8% 0.122 39.1)
-
Step 900
900
#6A2C17
oklch(37.7% 0.095 38.8)
-
Step 950
950
#3E1B0F
oklch(27% 0.059 39.4)
#A73E17 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) | #5C5110 | 0.147 |
| Deuteranopia (no green cones) | #766911 | 0.133 |
| Tritanopia (no blue cones) | #B82237 | 0.065 |
| Achromatopsia (no color) | #606060 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A73E17
#A73E17
oklch(50.5% 0.147 38.8)
- #007088
#007088
oklch(50.4% 0.091 219.5)
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 #A73E17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Russet #A13905 ΔE 0.018
- Burnt Umber #A0450E ΔE 0.020
- Rusty Red #AF2F0D ΔE 0.026
- Brick #A03623 ΔE 0.027
- Rust Red #AA2704 ΔE 0.035
- Sinopia #BB3E03 ΔE 0.040
- Sienna #A0522D ΔE 0.041
- Cinnamon #AC4F06 ΔE 0.042
Use #A73E17 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.