#A7553B
Closest named color: Sienna (#A0522D). oklch(54.4% 0.115 38.3), rgb(167, 85, 59).
Aa
White text reads best on this color (5.24:1).
About this color
#A7553B is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.115 and its hue 38°. 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 5.24:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #A7553B |
| RGB | rgb(167, 85, 59) |
| HSL | hsl(14, 48%, 44%) |
| OKLCH | oklch(54.4% 0.115 38.3) |
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 #A7553B | 5.24:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #A7553B | 4.00:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #A7553B text on white | 5.24:1 | AA | Lc 75.6 | Fine for body text |
| #A7553B text on black | 4.00:1 | AA large text | Lc -26.1 | 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
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EBD3CC
oklch(88.5% 0.029 36.9)
-
Step 300
300
#DFB6A9
oklch(80.9% 0.051 38.3)
-
Step 400
400
#CE8F7B
oklch(70.7% 0.082 38.4)
-
Step 500
500
#C07259
oklch(63.2% 0.106 38.5)
-
Step 600
600 (this color)
#A7553B
oklch(54.4% 0.115 38.3)
-
Step 700
700
#934831
oklch(49.1% 0.107 37.8)
-
Step 800
800
#773C29
oklch(42.7% 0.088 38.5)
-
Step 900
900
#603425
oklch(37.7% 0.068 39.5)
-
Step 950
950
#391F16
oklch(27.2% 0.044 39.8)
#A7553B 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) | #6A6138 | 0.112 |
| Deuteranopia (no green cones) | #7E733A | 0.103 |
| Tritanopia (no blue cones) | #B6464F | 0.054 |
| Achromatopsia (no color) | #6C6C6C | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A7553B
#A7553B
oklch(54.4% 0.115 38.3)
- #007D96
#007D96
oklch(54.5% 0.098 218.3)
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 #A7553B, 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 0.036
- Earth #A2653E ΔE 0.039
- Sepia #985E2B ΔE 0.042
- Burnt Siena #B75203 ΔE 0.045
- Burnt Umber #A0450E ΔE 0.048
- Raw Umber #A75E09 ΔE 0.049
- Dusty Red #B9484E ΔE 0.053
Use #A7553B 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.