#AF4518
Closest named color: Sinopia (#BB3E03). oklch(52.8% 0.149 40.6), rgb(175, 69, 24).
Aa
White text reads best on this color (5.69:1).
About this color
#AF4518 is a medium-dark, vivid orange. In OKLCH its lightness is 53%, its chroma 0.149 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.024 away. White text reads best on it, at 5.69:1.
| Hue family | Oranges |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #AF4518 |
| RGB | rgb(175, 69, 24) |
| HSL | hsl(18, 76%, 39%) |
| OKLCH | oklch(52.8% 0.149 40.6) |
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 #AF4518 | 5.69:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #AF4518 | 3.68:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #AF4518 text on white | 5.69:1 | AA | Lc 77.7 | Fine for body text |
| #AF4518 text on black | 3.68:1 | AA large text | Lc -24.1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F0D2C7
oklch(88.6% 0.037 41.2)
-
Step 300
300
#E7B3A0
oklch(80.9% 0.066 41)
-
Step 400
400
#D9896C
oklch(70.6% 0.107 40.6)
-
Step 500
500
#CD6944
oklch(63.1% 0.137 40.5)
-
Step 600
600 (this color)
#AF4518
oklch(52.8% 0.149 40.6)
-
Step 700
700
#9F3E15
oklch(49.2% 0.139 40.6)
-
Step 800
800
#813415
oklch(42.7% 0.115 40.6)
-
Step 900
900
#682E18
oklch(37.7% 0.09 40.6)
-
Step 950
950
#3D1C0F
oklch(27% 0.056 41.6)
#AF4518 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) | #635810 | 0.147 |
| Deuteranopia (no green cones) | #7D7013 | 0.134 |
| Tritanopia (no blue cones) | #C12A3D | 0.070 |
| Achromatopsia (no color) | #676767 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AF4518
#AF4518
oklch(52.8% 0.149 40.6)
- #007792
#007792
oklch(52.7% 0.097 220.9)
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 #AF4518, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.024
- Cinnamon #AC4F06 ΔE 0.025
- Burnt Umber #A0450E ΔE 0.031
- Sienna #A0522D ΔE 0.035
- Burnt Siena #B75203 ΔE 0.037
- Rusty Red #AF2F0D ΔE 0.038
- Brick Orange #C14A09 ΔE 0.039
- Russet #A13905 ΔE 0.040
Use #AF4518 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.