#AF5528
Closest named color: Burnt Siena (#B75203). oklch(55.3% 0.131 44.9), rgb(175, 85, 40).
Aa
White text reads best on this color (5.05:1).
About this color
#AF5528 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.131 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.021 away. White text reads best on it, at 5.05:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #AF5528 |
| RGB | rgb(175, 85, 40) |
| HSL | hsl(20, 63%, 42%) |
| OKLCH | oklch(55.3% 0.131 44.9) |
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 #AF5528 | 5.05:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #AF5528 | 4.15:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #AF5528 text on white | 5.05:1 | AA | Lc 74.4 | Content text, not long reading |
| #AF5528 text on black | 4.15:1 | AA large text | Lc -27.3 | 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
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E2B5A2
oklch(80.8% 0.059 44.1)
-
Step 400
400
#D28E6F
oklch(70.8% 0.094 45.3)
-
Step 500
500
#C57048
oklch(63.2% 0.121 45.1)
-
Step 600
600 (this color)
#AF5528
oklch(55.3% 0.131 44.9)
-
Step 700
700
#97461C
oklch(49.2% 0.121 45)
-
Step 800
800
#7B3A19
oklch(42.8% 0.101 45.1)
-
Step 900
900
#63321B
oklch(37.6% 0.079 44.7)
-
Step 950
950
#3A1E11
oklch(27% 0.049 45)
#AF5528 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) | #6E6222 | 0.121 |
| Deuteranopia (no green cones) | #847626 | 0.109 |
| Tritanopia (no blue cones) | #C0424B | 0.070 |
| Achromatopsia (no color) | #6F6F6F | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AF5528
#AF5528
oklch(55.3% 0.131 44.9)
- #007EA0
#007EA0
oklch(55.2% 0.105 225.2)
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 #AF5528, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.021
- Cinnamon #AC4F06 ΔE 0.022
- Sienna #A0522D ΔE 0.031
- Burnt Orange #C04E01 ΔE 0.034
- Raw Umber #A75E09 ΔE 0.035
- Brick Orange #C14A09 ΔE 0.037
- Orangey Brown #B16002 ΔE 0.037
- Copper #B66325 ΔE 0.038
Use #AF5528 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.