#A0583F
Closest named color: Sienna (#A0522D). oklch(53.9% 0.102 39.7), rgb(160, 88, 63).
Aa
White text reads best on this color (5.29:1).
About this color
#A0583F is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.102 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.020 away. White text reads best on it, at 5.29:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #A0583F |
| RGB | rgb(160, 88, 63) |
| HSL | hsl(15, 43%, 44%) |
| OKLCH | oklch(53.9% 0.102 39.7) |
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 #A0583F | 5.29:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #A0583F | 3.96:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #A0583F text on white | 5.29:1 | AA | Lc 76.0 | Fine for body text |
| #A0583F text on black | 3.96:1 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E3
oklch(93.6% 0.013 41.2)
-
Step 200
200
#E9D4CD
oklch(88.5% 0.025 39.4)
-
Step 300
300
#DCB7AB
oklch(80.9% 0.046 38.8)
-
Step 400
400
#C9917E
oklch(70.6% 0.074 39.5)
-
Step 500
500
#BA755E
oklch(63% 0.094 39.2)
-
Step 600
600 (this color)
#A0583F
oklch(53.9% 0.102 39.7)
-
Step 700
700
#8E4C35
oklch(49.1% 0.096 39.8)
-
Step 800
800
#733F2D
oklch(42.7% 0.078 39.7)
-
Step 900
900
#5D3628
oklch(37.7% 0.061 40.4)
-
Step 950
950
#372018
oklch(27.1% 0.039 39.9)
#A0583F 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) | #6B623D | 0.096 |
| Deuteranopia (no green cones) | #7C713E | 0.088 |
| Tritanopia (no blue cones) | #AE4B52 | 0.051 |
| Achromatopsia (no color) | #6B6B6B | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A0583F
#A0583F
oklch(53.9% 0.102 39.7)
- #007B95
#007B95
oklch(53.9% 0.098 219.5)
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 #A0583F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.020
- Earth #A2653E ΔE 0.034
- Sepia #985E2B ΔE 0.034
- Cinnamon #AC4F06 ΔE 0.044
- Cocoa #875F42 ΔE 0.046
- Raw Umber #A75E09 ΔE 0.050
- Burnt Umber #A0450E ΔE 0.050
- Warm Brown #964E02 ΔE 0.053
Use #A0583F 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.