#A3582E
Closest named color: Sienna (#A0522D). oklch(54.1% 0.113 48), rgb(163, 88, 46).
Aa
White text reads best on this color (5.25:1).
About this color
#A3582E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.113 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.016 away. White text reads best on it, at 5.25:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.113) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.99:1 |
| White text | 5.25:1 |
Values
| HEX | #A3582E |
| RGB | rgb(163, 88, 46) |
| HSL | hsl(22, 56%, 41%) |
| OKLCH | oklch(54.1% 0.113 48) |
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 #A3582E | 5.25:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #A3582E | 3.99:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #A3582E text on white | 5.25:1 | AA | Lc 75.7 | Fine for body text |
| #A3582E text on black | 3.99:1 | AA large text | Lc -26.0 | 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
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EAD4C9
oklch(88.5% 0.029 48.4)
-
Step 300
300
#DDB7A5
oklch(80.8% 0.051 46.8)
-
Step 400
400
#CB9174
oklch(70.6% 0.082 47.5)
-
Step 500
500
#BD754F
oklch(63.2% 0.105 48)
-
Step 600
600 (this color)
#A3582E
oklch(54.1% 0.113 48)
-
Step 700
700
#904C25
oklch(49.2% 0.105 48.3)
-
Step 800
800
#753E20
oklch(42.6% 0.088 47.6)
-
Step 900
900
#5F3620
oklch(37.9% 0.068 48)
-
Step 950
950
#382013
oklch(27.2% 0.044 48.7)
#A3582E 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) | #6D6229 | 0.099 |
| Deuteranopia (no green cones) | #7F722D | 0.090 |
| Tritanopia (no blue cones) | #B2494F | 0.066 |
| Achromatopsia (no color) | #6C6C6C | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3582E
#A3582E
oklch(54.1% 0.113 48)
- #007A9F
#007A9F
oklch(54.1% 0.106 228)
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 #A3582E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.016
- Sepia #985E2B ΔE 0.025
- Cinnamon #AC4F06 ΔE 0.028
- Earth #A2653E ΔE 0.031
- Raw Umber #A75E09 ΔE 0.032
- Burnt Siena #B75203 ΔE 0.040
- Warm Brown #964E02 ΔE 0.044
- Burnt Umber #A0450E ΔE 0.044
Use #A3582E 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.