#AF552B
Closest named color: Burnt Siena (#B75203). oklch(55.3% 0.13 43.8), rgb(175, 85, 43).
Aa
White text reads best on this color (5.05:1).
About this color
#AF552B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.130 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.023 away. White text reads best on it, at 5.05:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #AF552B |
| RGB | rgb(175, 85, 43) |
| HSL | hsl(19, 61%, 43%) |
| OKLCH | oklch(55.3% 0.13 43.8) |
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 #AF552B | 5.05:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #AF552B | 4.15:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #AF552B text on white | 5.05:1 | AA | Lc 74.4 | Content text, not long reading |
| #AF552B 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
#D28D70
oklch(70.6% 0.094 43.6)
-
Step 500
500
#C5704A
oklch(63.2% 0.12 44.2)
-
Step 600
600 (this color)
#AF552B
oklch(55.3% 0.13 43.8)
-
Step 700
700
#97461F
oklch(49.2% 0.12 44)
-
Step 800
800
#7B3A1B
oklch(42.8% 0.1 44.2)
-
Step 900
900
#63321C
oklch(37.6% 0.078 43.9)
-
Step 950
950
#3A1E11
oklch(27% 0.049 45)
#AF552B 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) | #6E6226 | 0.121 |
| Deuteranopia (no green cones) | #847629 | 0.110 |
| Tritanopia (no blue cones) | #C0424C | 0.069 |
| Achromatopsia (no color) | #6F6F6F | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AF552B
#AF552B
oklch(55.3% 0.13 43.8)
- #007F9F
#007F9F
oklch(55.4% 0.104 223.5)
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 #AF552B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.023
- Cinnamon #AC4F06 ΔE 0.023
- Sienna #A0522D ΔE 0.031
- Burnt Orange #C04E01 ΔE 0.035
- Raw Umber #A75E09 ΔE 0.037
- Brick Orange #C14A09 ΔE 0.037
- Copper #B66325 ΔE 0.039
- Orangey Brown #B16002 ΔE 0.039
Use #AF552B 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.