#AF5F37
Closest named color: Copper (#B66325). oklch(57.1% 0.117 45.9), rgb(175, 95, 55).
Aa
White text reads best on this color (4.65:1).
About this color
#AF5F37 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.117 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.025 away. White text reads best on it, at 4.65:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.51:1 |
| White text | 4.65:1 |
Values
| HEX | #AF5F37 |
| RGB | rgb(175, 95, 55) |
| HSL | hsl(20, 52%, 45%) |
| OKLCH | oklch(57.1% 0.117 45.9) |
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 #AF5F37 | 4.65:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #AF5F37 | 4.51:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #AF5F37 text on white | 4.65:1 | AA | Lc 71.9 | Content text, not long reading |
| #AF5F37 text on black | 4.51:1 | AA | Lc -29.7 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EBD4C9
oklch(88.6% 0.03 47.3)
-
Step 300
300
#DFB7A5
oklch(81% 0.053 45.5)
-
Step 400
400
#CD9074
oklch(70.7% 0.084 45.6)
-
Step 500
500
#BF734F
oklch(63.1% 0.109 45.6)
-
Step 600
600 (this color)
#AF5F37
oklch(57.1% 0.117 45.9)
-
Step 700
700
#924A25
oklch(49.1% 0.109 45.9)
-
Step 800
800
#763D20
oklch(42.6% 0.09 46.1)
-
Step 900
900
#60351F
oklch(37.8% 0.071 46.9)
-
Step 950
950
#381F13
oklch(26.9% 0.044 46)
#AF5F37 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) | #756A33 | 0.105 |
| Deuteranopia (no green cones) | #887B36 | 0.096 |
| Tritanopia (no blue cones) | #BF4F56 | 0.066 |
| Achromatopsia (no color) | #747474 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AF5F37
#AF5F37
oklch(57.1% 0.117 45.9)
- #0084A8
#0084A8
oklch(57.1% 0.109 225.6)
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 #AF5F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.025
- Earth #A2653E ΔE 0.025
- Orangey Brown #B16002 ΔE 0.033
- Burnt Siena #B75203 ΔE 0.036
- Raw Umber #A75E09 ΔE 0.036
- Clay #B66A50 ΔE 0.037
- Umber #B26400 ΔE 0.038
- Cinnamon #AC4F06 ΔE 0.042
Use #AF5F37 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.