#A1503E
Closest named color: Sienna (#A0522D). oklch(52.7% 0.112 33.8), rgb(161, 80, 62).
Aa
White text reads best on this color (5.62:1).
About this color
#A1503E is a medium-dark, moderately saturated red. In OKLCH its lightness is 53%, its chroma 0.112 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.022 away. White text reads best on it, at 5.62:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #A1503E |
| RGB | rgb(161, 80, 62) |
| HSL | hsl(11, 44%, 44%) |
| OKLCH | oklch(52.7% 0.112 33.8) |
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 #A1503E | 5.62:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #A1503E | 3.73:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #A1503E text on white | 5.62:1 | AA | Lc 77.7 | Fine for body text |
| #A1503E text on black | 3.73:1 | AA large text | Lc -24.1 | 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 600.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E4
oklch(93.7% 0.014 34.3)
-
Step 200
200
#EBD3CD
oklch(88.5% 0.028 34.3)
-
Step 300
300
#DFB6AC
oklch(81% 0.05 34)
-
Step 400
400
#CE8F80
oklch(70.9% 0.08 33.9)
-
Step 500
500
#BF7160
oklch(63% 0.103 33.2)
-
Step 600
600 (this color)
#A1503E
oklch(52.7% 0.112 33.8)
-
Step 700
700
#924838
oklch(49.1% 0.104 33.5)
-
Step 800
800
#773C2E
oklch(42.8% 0.086 34.4)
-
Step 900
900
#603329
oklch(37.6% 0.068 33.5)
-
Step 950
950
#381E18
oklch(26.8% 0.043 33.8)
#A1503E 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) | #655D3C | 0.111 |
| Deuteranopia (no green cones) | #786E3C | 0.104 |
| Tritanopia (no blue cones) | #B0424C | 0.047 |
| Achromatopsia (no color) | #676767 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1503E
#A1503E
oklch(52.7% 0.112 33.8)
- #00788B
#00788B
oklch(52.6% 0.092 213.7)
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 #A1503E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.022
- Burnt Umber #A0450E ΔE 0.042
- Light Maroon #A24857 ΔE 0.045
- Cinnamon #AC4F06 ΔE 0.046
- Sepia #985E2B ΔE 0.049
- Earth #A2653E ΔE 0.053
- Warm Brown #964E02 ΔE 0.053
- Dusty Red #B9484E ΔE 0.054
Use #A1503E 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.