#A3473C
Closest named color: Sienna (#A0522D). oklch(51.6% 0.124 29), rgb(163, 71, 60).
Aa
White text reads best on this color (5.95:1).
About this color
#A3473C is a medium-dark, moderately saturated red. In OKLCH its lightness is 52%, its chroma 0.124 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.036 away. White text reads best on it, at 5.95:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.52:1 |
| White text | 5.95:1 |
Values
| HEX | #A3473C |
| RGB | rgb(163, 71, 60) |
| HSL | hsl(6, 46%, 44%) |
| OKLCH | oklch(51.6% 0.124 29) |
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 #A3473C | 5.95:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #A3473C | 3.52:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #A3473C text on white | 5.95:1 | AA | Lc 79.2 | Fine for body text |
| #A3473C text on black | 3.52:1 | AA large text | Lc -22.6 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E3
oklch(93.6% 0.017 31.1)
-
Step 200
200
#EFD1CD
oklch(88.5% 0.034 26.8)
-
Step 300
300
#E5B3AB
oklch(81% 0.06 28.9)
-
Step 400
400
#D6897E
oklch(70.7% 0.097 28.6)
-
Step 500
500
#C96A5D
oklch(63.1% 0.123 29.1)
-
Step 600
600
#B44F43
oklch(55.5% 0.134 28.9)
-
Step 700
700 (this color)
#A3473C
oklch(51.6% 0.124 29)
-
Step 800
800
#7E352C
oklch(42.7% 0.104 29.2)
-
Step 900
900
#662F28
oklch(37.8% 0.081 28.9)
-
Step 950
950
#3C1C18
oklch(27.1% 0.051 28.3)
#A3473C 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) | #5E573B | 0.129 |
| Deuteranopia (no green cones) | #756B3A | 0.119 |
| Tritanopia (no blue cones) | #B23645 | 0.045 |
| Achromatopsia (no color) | #646464 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3473C
#A3473C
oklch(51.6% 0.124 29)
- #007583
#007583
oklch(51.5% 0.089 209.3)
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 #A3473C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.036
- Light Maroon #A24857 ΔE 0.037
- Brick #A03623 ΔE 0.038
- Burnt Umber #A0450E ΔE 0.041
- Russet #A13905 ΔE 0.046
- Dull Red #BB3F3F ΔE 0.047
- Dusty Red #B9484E ΔE 0.050
- Rusty Red #AF2F0D ΔE 0.050
Use #A3473C 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.