#A1533F
Closest named color: Sienna (#A0522D). oklch(53.2% 0.108 35.4), rgb(161, 83, 63).
Aa
White text reads best on this color (5.49:1).
About this color
#A1533F is a medium-dark, moderately saturated red. In OKLCH its lightness is 53%, its chroma 0.108 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.020 away. White text reads best on it, at 5.49:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.82:1 |
| White text | 5.49:1 |
Values
| HEX | #A1533F |
| RGB | rgb(161, 83, 63) |
| HSL | hsl(12, 44%, 44%) |
| OKLCH | oklch(53.2% 0.108 35.4) |
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 #A1533F | 5.49:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #A1533F | 3.82:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #A1533F text on white | 5.49:1 | AA | Lc 77.0 | Fine for body text |
| #A1533F text on black | 3.82:1 | AA large text | Lc -24.7 | 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 600.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EAD3CD
oklch(88.4% 0.027 35)
-
Step 300
300
#DEB6AC
oklch(80.9% 0.049 34.4)
-
Step 400
400
#CC8F7F
oklch(70.6% 0.078 35.3)
-
Step 500
500
#BE735F
oklch(63.2% 0.1 35.7)
-
Step 600
600 (this color)
#A1533F
oklch(53.2% 0.108 35.4)
-
Step 700
700
#914937
oklch(49.1% 0.102 35.1)
-
Step 800
800
#753D2E
oklch(42.7% 0.082 35.9)
-
Step 900
900
#5F3429
oklch(37.6% 0.065 35.2)
-
Step 950
950
#381F18
oklch(27% 0.041 36.4)
#A1533F 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) | #675F3D | 0.106 |
| Deuteranopia (no green cones) | #7A6F3E | 0.097 |
| Tritanopia (no blue cones) | #B0454E | 0.049 |
| Achromatopsia (no color) | #696969 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1533F
#A1533F
oklch(53.2% 0.108 35.4)
- #007A8F
#007A8F
oklch(53.3% 0.094 215.3)
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 #A1533F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.020
- Sepia #985E2B ΔE 0.044
- Cinnamon #AC4F06 ΔE 0.045
- Burnt Umber #A0450E ΔE 0.045
- Earth #A2653E ΔE 0.046
- Light Maroon #A24857 ΔE 0.049
- Cocoa #875F42 ΔE 0.053
- Warm Brown #964E02 ΔE 0.053
Use #A1533F 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.