#A3554A
Closest named color: Sienna (#A0522D). oklch(54% 0.105 29.3), rgb(163, 85, 74).
Aa
White text reads best on this color (5.30:1).
About this color
#A3554A is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.105 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.034 away. White text reads best on it, at 5.30:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #A3554A |
| RGB | rgb(163, 85, 74) |
| HSL | hsl(7, 38%, 46%) |
| OKLCH | oklch(54% 0.105 29.3) |
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 #A3554A | 5.30:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #A3554A | 3.95:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #A3554A text on white | 5.30:1 | AA | Lc 76.0 | Fine for body text |
| #A3554A text on black | 3.95:1 | AA large text | Lc -25.7 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E5
oklch(93.7% 0.013 28.9)
-
Step 200
200
#EAD3CF
oklch(88.5% 0.026 29.4)
-
Step 300
300
#DEB6AF
oklch(81% 0.048 29.7)
-
Step 400
400
#CC8F85
oklch(70.7% 0.076 29.5)
-
Step 500
500
#BD7267
oklch(63.1% 0.097 29)
-
Step 600
600 (this color)
#A3554A
oklch(54% 0.105 29.3)
-
Step 700
700
#90493F
oklch(49.1% 0.098 29.4)
-
Step 800
800
#753C34
oklch(42.6% 0.082 29.2)
-
Step 900
900
#5F342E
oklch(37.8% 0.063 28.8)
-
Step 950
950
#381F1B
oklch(27.1% 0.04 29.7)
#A3554A 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) | #686149 | 0.107 |
| Deuteranopia (no green cones) | #7B7249 | 0.100 |
| Tritanopia (no blue cones) | #B14952 | 0.039 |
| Achromatopsia (no color) | #6B6B6B | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3554A
#A3554A
oklch(54% 0.105 29.3)
- #007D8C
#007D8C
oklch(54% 0.093 209.4)
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 #A3554A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.034
- Light Maroon #A24857 ΔE 0.042
- Earth #A2653E ΔE 0.048
- Dusty Red #B9484E ΔE 0.048
- Sepia #985E2B ΔE 0.053
- Dark Rose #B5485D ΔE 0.055
- Cinnamon #AC4F06 ΔE 0.055
- Dull Red #BB3F3F ΔE 0.056
Use #A3554A 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.