#AF4738
Closest named color: Dull Red (#BB3F3F). oklch(53.4% 0.139 30.5), rgb(175, 71, 56).
Aa
White text reads best on this color (5.55:1).
About this color
#AF4738 is a medium-dark, moderately saturated red. In OKLCH its lightness is 53%, its chroma 0.139 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.028 away. White text reads best on it, at 5.55:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.78:1 |
| White text | 5.55:1 |
Values
| HEX | #AF4738 |
| RGB | rgb(175, 71, 56) |
| HSL | hsl(8, 52%, 45%) |
| OKLCH | oklch(53.4% 0.139 30.5) |
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 #AF4738 | 5.55:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #AF4738 | 3.78:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #AF4738 text on white | 5.55:1 | AA | Lc 77.0 | Fine for body text |
| #AF4738 text on black | 3.78:1 | AA large text | Lc -24.7 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#EFD1CC
oklch(88.4% 0.034 29)
-
Step 300
300
#E6B2A9
oklch(80.8% 0.062 29.7)
-
Step 400
400
#D8887B
oklch(70.7% 0.101 29.8)
-
Step 500
500
#CB6959
oklch(63.1% 0.128 30.6)
-
Step 600
600 (this color)
#AF4738
oklch(53.4% 0.139 30.5)
-
Step 700
700
#9D3E30
oklch(49.1% 0.13 30.7)
-
Step 800
800
#7F3429
oklch(42.7% 0.107 30.5)
-
Step 900
900
#672E25
oklch(37.7% 0.084 30.6)
-
Step 950
950
#3C1C16
oklch(27% 0.052 31.8)
#AF4738 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) | #635A36 | 0.143 |
| Deuteranopia (no green cones) | #7C7135 | 0.134 |
| Tritanopia (no blue cones) | #C03144 | 0.051 |
| Achromatopsia (no color) | #686868 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AF4738
#AF4738
oklch(53.4% 0.139 30.5)
- #007B8B
#007B8B
oklch(53.4% 0.093 210.6)
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 #AF4738, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.028
- Dusty Red #B9484E ΔE 0.034
- Sinopia #BB3E03 ΔE 0.039
- Sienna #A0522D ΔE 0.040
- Cinnamon #AC4F06 ΔE 0.046
- Rusty Red #AF2F0D ΔE 0.046
- Burnt Umber #A0450E ΔE 0.048
- Light Maroon #A24857 ΔE 0.048
Use #AF4738 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.