#A4503C
Closest named color: Sienna (#A0522D). oklch(53.1% 0.116 34.6), rgb(164, 80, 60).
Aa
White text reads best on this color (5.53:1).
About this color
#A4503C is a medium-dark, moderately saturated red. In OKLCH its lightness is 53%, its chroma 0.116 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.021 away. White text reads best on it, at 5.53:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #A4503C |
| RGB | rgb(164, 80, 60) |
| HSL | hsl(12, 46%, 44%) |
| OKLCH | oklch(53.1% 0.116 34.6) |
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 #A4503C | 5.53:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #A4503C | 3.79:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #A4503C text on white | 5.53:1 | AA | Lc 77.2 | Fine for body text |
| #A4503C text on black | 3.79:1 | AA large text | Lc -24.5 | 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
#F4E7E3
oklch(93.7% 0.015 37.9)
-
Step 200
200
#ECD3CD
oklch(88.6% 0.029 33.7)
-
Step 300
300
#E0B5AA
oklch(80.8% 0.053 34.7)
-
Step 400
400
#CF8E7E
oklch(70.7% 0.083 34.4)
-
Step 500
500
#C1705D
oklch(63% 0.107 34.1)
-
Step 600
600 (this color)
#A4503C
oklch(53.1% 0.116 34.6)
-
Step 700
700
#944735
oklch(49.2% 0.108 34.4)
-
Step 800
800
#783B2C
oklch(42.8% 0.089 34.9)
-
Step 900
900
#613328
oklch(37.7% 0.069 34.4)
-
Step 950
950
#391E18
oklch(27% 0.044 33.4)
#A4503C 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) | #665D3A | 0.114 |
| Deuteranopia (no green cones) | #7A6F3A | 0.106 |
| Tritanopia (no blue cones) | #B3414B | 0.049 |
| Achromatopsia (no color) | #686868 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4503C
#A4503C
oklch(53.1% 0.116 34.6)
- #00798E
#00798E
oklch(53% 0.094 215.4)
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 #A4503C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.021
- Cinnamon #AC4F06 ΔE 0.042
- Burnt Umber #A0450E ΔE 0.042
- Light Maroon #A24857 ΔE 0.048
- Sepia #985E2B ΔE 0.049
- Dusty Red #B9484E ΔE 0.051
- Earth #A2653E ΔE 0.051
- Dull Red #BB3F3F ΔE 0.052
Use #A4503C 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.