#AF3F42
Closest named color: Dull Red (#BB3F3F). oklch(52.5% 0.146 22.1), rgb(175, 63, 66).
Aa
White text reads best on this color (5.81:1).
About this color
#AF3F42 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.146 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.024 away. White text reads best on it, at 5.81:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.61:1 |
| White text | 5.81:1 |
Values
| HEX | #AF3F42 |
| RGB | rgb(175, 63, 66) |
| HSL | hsl(358, 47%, 47%) |
| OKLCH | oklch(52.5% 0.146 22.1) |
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 #AF3F42 | 5.81:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #AF3F42 | 3.61:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #AF3F42 text on white | 5.81:1 | AA | Lc 78.2 | Fine for body text |
| #AF3F42 text on black | 3.61:1 | AA large text | Lc -23.5 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E4
oklch(93.6% 0.02 21.4)
-
Step 200
200
#F1D0CE
oklch(88.5% 0.037 22)
-
Step 300
300
#E8B0AD
oklch(80.8% 0.066 22.1)
-
Step 400
400
#DB8583
oklch(70.7% 0.106 21.5)
-
Step 500
500
#CE6464
oklch(63% 0.135 21.7)
-
Step 600
600 (this color)
#AF3F42
oklch(52.5% 0.146 22.1)
-
Step 700
700
#9F393C
oklch(49% 0.136 21.9)
-
Step 800
800
#823032
oklch(42.8% 0.113 21.8)
-
Step 900
900
#682C2C
oklch(37.7% 0.087 22.1)
-
Step 950
950
#3D1A1A
oklch(26.9% 0.055 21.4)
#AF3F42 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) | #5C5641 | 0.157 |
| Deuteranopia (no green cones) | #786E3F | 0.145 |
| Tritanopia (no blue cones) | #C02741 | 0.043 |
| Achromatopsia (no color) | #656565 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AF3F42
#AF3F42
oklch(52.5% 0.146 22.1)
- #007980
#007980
oklch(52.4% 0.089 201.9)
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 #AF3F42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.024
- Dusty Red #B9484E ΔE 0.030
- Light Maroon #A24857 ΔE 0.036
- Light Burgundy #A8415B ΔE 0.037
- Dark Rose #B5485D ΔE 0.039
- Firebrick #B22222 ΔE 0.046
- Brown #A52A2A ΔE 0.047
- Rusty Red #AF2F0D ΔE 0.048
Use #AF3F42 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.