#A03C19
Closest named color: Russet (#A13905). oklch(49.1% 0.141 38.4), rgb(160, 60, 25).
Aa
White text reads best on this color (6.65:1).
About this color
#A03C19 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.141 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Russet (#A13905), ΔE 0.010 away. White text reads best on it, at 6.65:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Russet (#A13905) |
| Black text | 3.15:1 |
| White text | 6.65:1 |
Values
| HEX | #A03C19 |
| RGB | rgb(160, 60, 25) |
| HSL | hsl(16, 73%, 36%) |
| OKLCH | oklch(49.1% 0.141 38.4) |
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 #A03C19 | 6.65:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #A03C19 | 3.15:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #A03C19 text on white | 6.65:1 | AA | Lc 82.0 | Fine for body text |
| #A03C19 text on black | 3.15:1 | AA large text | Lc -19.8 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F1D1C7
oklch(88.5% 0.039 38.1)
-
Step 300
300
#E8B2A1
oklch(80.8% 0.068 38.2)
-
Step 400
400
#DB886E
oklch(70.7% 0.109 38.2)
-
Step 500
500
#CF6746
oklch(63.1% 0.14 38.2)
-
Step 600
600
#BA4C27
oklch(55.6% 0.151 38.3)
-
Step 700
700 (this color)
#A03C19
oklch(49.1% 0.141 38.4)
-
Step 800
800
#823218
oklch(42.6% 0.117 37.9)
-
Step 900
900
#692D1A
oklch(37.7% 0.091 38)
-
Step 950
950
#3E1B10
oklch(27% 0.058 38.1)
#A03C19 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) | #594E13 | 0.140 |
| Deuteranopia (no green cones) | #716514 | 0.129 |
| Tritanopia (no blue cones) | #B02235 | 0.061 |
| Achromatopsia (no color) | #5C5C5C | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A03C19
#A03C19
oklch(49.1% 0.141 38.4)
- #006C82
#006C82
oklch(49.1% 0.088 218.4)
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 #A03C19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Russet #A13905 ΔE 0.010
- Brick #A03623 ΔE 0.017
- Burnt Umber #A0450E ΔE 0.022
- Rusty Red #AF2F0D ΔE 0.032
- Rust Red #AA2704 ΔE 0.034
- Brown #A52A2A ΔE 0.040
- Burnt Red #9F2305 ΔE 0.041
- Saddle Brown #8B4513 ΔE 0.044
Use #A03C19 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.