#A4552A
Closest named color: Sienna (#A0522D). oklch(53.7% 0.118 47), rgb(164, 85, 42).
Aa
White text reads best on this color (5.36:1).
About this color
#A4552A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.118 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.012 away. White text reads best on it, at 5.36:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.118) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.91:1 |
| White text | 5.36:1 |
Values
| HEX | #A4552A |
| RGB | rgb(164, 85, 42) |
| HSL | hsl(21, 59%, 40%) |
| OKLCH | oklch(53.7% 0.118 47) |
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 #A4552A | 5.36:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #A4552A | 3.91:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #A4552A text on white | 5.36:1 | AA | Lc 76.3 | Fine for body text |
| #A4552A text on black | 3.91:1 | AA large text | Lc -25.4 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EBD4C9
oklch(88.6% 0.03 47.3)
-
Step 300
300
#DFB7A4
oklch(81% 0.053 46.8)
-
Step 400
400
#CD9072
oklch(70.6% 0.086 47.1)
-
Step 500
500
#BF744D
oklch(63.2% 0.109 47.5)
-
Step 600
600 (this color)
#A4552A
oklch(53.7% 0.118 47)
-
Step 700
700
#924A23
oklch(49.1% 0.11 46.8)
-
Step 800
800
#773D1E
oklch(42.7% 0.092 46.9)
-
Step 900
900
#60351E
oklch(37.8% 0.071 47.7)
-
Step 950
950
#381F12
oklch(26.9% 0.045 47.6)
#A4552A 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) | #6B6025 | 0.106 |
| Deuteranopia (no green cones) | #7E7129 | 0.096 |
| Tritanopia (no blue cones) | #B4454C | 0.067 |
| Achromatopsia (no color) | #6A6A6A | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4552A
#A4552A
oklch(53.7% 0.118 47)
- #00799C
#00799C
oklch(53.7% 0.104 226.8)
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 #A4552A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.012
- Cinnamon #AC4F06 ΔE 0.023
- Sepia #985E2B ΔE 0.029
- Raw Umber #A75E09 ΔE 0.035
- Earth #A2653E ΔE 0.038
- Burnt Umber #A0450E ΔE 0.038
- Burnt Siena #B75203 ΔE 0.038
- Warm Brown #964E02 ΔE 0.040
Use #A4552A 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.