#AF3C15
Closest named color: Rusty Red (#AF2F0D). oklch(51.6% 0.158 37.4), rgb(175, 60, 21).
Aa
White text reads best on this color (6.03:1).
About this color
#AF3C15 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.158 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.021 away. White text reads best on it, at 6.03:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.47:1 |
| White text | 6.03:1 |
Values
| HEX | #AF3C15 |
| RGB | rgb(175, 60, 21) |
| HSL | hsl(15, 79%, 38%) |
| OKLCH | oklch(51.6% 0.158 37.4) |
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 #AF3C15 | 6.03:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #AF3C15 | 3.47:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #AF3C15 text on white | 6.03:1 | AA | Lc 79.1 | Fine for body text |
| #AF3C15 text on black | 3.47:1 | AA large text | Lc -22.7 | 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 700.
-
Step 50
50
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F3D0C6
oklch(88.4% 0.042 36.5)
-
Step 300
300
#EDB09E
oklch(80.9% 0.076 37.1)
-
Step 400
400
#E18468
oklch(70.7% 0.122 37.5)
-
Step 500
500
#D6613E
oklch(63.1% 0.156 37.3)
-
Step 600
600
#C14319
oklch(55.5% 0.169 37.3)
-
Step 700
700 (this color)
#AF3C15
oklch(51.6% 0.158 37.4)
-
Step 800
800
#872C0E
oklch(42.6% 0.131 37.1)
-
Step 900
900
#6D2915
oklch(37.7% 0.102 36.9)
-
Step 950
950
#40190D
oklch(27% 0.065 37.7)
#AF3C15 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) | #5E520D | 0.159 |
| Deuteranopia (no green cones) | #7A6C0D | 0.144 |
| Tritanopia (no blue cones) | #C11935 | 0.066 |
| Achromatopsia (no color) | #636363 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AF3C15
#AF3C15
oklch(51.6% 0.158 37.4)
- #00748A
#00748A
oklch(51.5% 0.092 217.1)
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 #AF3C15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.021
- Sinopia #BB3E03 ΔE 0.026
- Russet #A13905 ΔE 0.031
- Burnt Umber #A0450E ΔE 0.033
- Rust Red #AA2704 ΔE 0.036
- Brick #A03623 ΔE 0.037
- Cinnamon #AC4F06 ΔE 0.041
- Rufous #AE2012 ΔE 0.042
Use #AF3C15 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.