#AF570D
Closest named color: Burnt Siena (#B75203). oklch(55.4% 0.137 52.3), rgb(175, 87, 13).
Aa
White text reads best on this color (5.00:1).
About this color
#AF570D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.137 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.017 away. White text reads best on it, at 5.00:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #AF570D |
| RGB | rgb(175, 87, 13) |
| HSL | hsl(27, 86%, 37%) |
| OKLCH | oklch(55.4% 0.137 52.3) |
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 #AF570D | 5.00:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #AF570D | 4.19:1 | AA large text | Lc 30.0 | Non-text elements, placeholder text |
| #AF570D text on white | 5.00:1 | AA | Lc 74.1 | Content text, not long reading |
| #AF570D text on black | 4.19:1 | AA large text | Lc -27.6 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F4E7DF
oklch(93.6% 0.018 54)
-
Step 200
200
#ECD3C5
oklch(88.4% 0.034 51.2)
-
Step 300
300
#E2B69C
oklch(80.9% 0.062 52.1)
-
Step 400
400
#D28F66
oklch(70.8% 0.099 52)
-
Step 500
500
#C47139
oklch(63.1% 0.126 52.3)
-
Step 600
600 (this color)
#AF570D
oklch(55.4% 0.137 52.3)
-
Step 700
700
#964800
oklch(49.2% 0.125 52.6)
-
Step 800
800
#7A3B06
oklch(42.7% 0.105 52.6)
-
Step 900
900
#633311
oklch(37.7% 0.083 52.2)
-
Step 950
950
#3A1E0C
oklch(26.9% 0.052 51.5)
#AF570D 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) | #716300 | 0.116 |
| Deuteranopia (no green cones) | #86770A | 0.105 |
| Tritanopia (no blue cones) | #C1434A | 0.084 |
| Achromatopsia (no color) | #6F6F6F | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AF570D
#AF570D
oklch(55.4% 0.137 52.3)
- #007DAA
#007DAA
oklch(55.4% 0.114 232.6)
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 #AF570D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.017
- Cinnamon #AC4F06 ΔE 0.019
- Raw Umber #A75E09 ΔE 0.021
- Orangey Brown #B16002 ΔE 0.023
- Copper #B66325 ΔE 0.032
- Umber #B26400 ΔE 0.033
- Burnt Orange #C04E01 ΔE 0.034
- Sienna #A0522D ΔE 0.039
Use #AF570D 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.