#AF423D
Closest named color: Dull Red (#BB3F3F). oklch(52.8% 0.144 25.9), rgb(175, 66, 61).
Aa
White text reads best on this color (5.72:1).
About this color
#AF423D is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.144 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.023 away. White text reads best on it, at 5.72:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.66:1 |
| White text | 5.72:1 |
Values
| HEX | #AF423D |
| RGB | rgb(175, 66, 61) |
| HSL | hsl(3, 48%, 46%) |
| OKLCH | oklch(52.8% 0.144 25.9) |
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 #AF423D | 5.72:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #AF423D | 3.66:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #AF423D text on white | 5.72:1 | AA | Lc 77.8 | Fine for body text |
| #AF423D text on black | 3.66:1 | AA large text | Lc -23.9 | 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
#F6E5E3
oklch(93.5% 0.019 25.6)
-
Step 200
200
#F0D1CD
oklch(88.6% 0.035 26.6)
-
Step 300
300
#E8B1AB
oklch(80.9% 0.065 25.7)
-
Step 400
400
#DA877F
oklch(70.8% 0.103 25.9)
-
Step 500
500
#CD665E
oklch(63.1% 0.132 26.1)
-
Step 600
600 (this color)
#AF423D
oklch(52.8% 0.144 25.9)
-
Step 700
700
#9F3B36
oklch(49.2% 0.134 26.1)
-
Step 800
800
#81322D
oklch(42.8% 0.111 26.4)
-
Step 900
900
#682D29
oklch(37.8% 0.086 25.9)
-
Step 950
950
#3D1B18
oklch(27% 0.054 26.5)
#AF423D 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) | #5E583C | 0.153 |
| Deuteranopia (no green cones) | #7A6F3A | 0.140 |
| Tritanopia (no blue cones) | #C02B42 | 0.046 |
| Achromatopsia (no color) | #666666 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AF423D
#AF423D
oklch(52.8% 0.144 25.9)
- #007A85
#007A85
oklch(52.9% 0.09 205.8)
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 #AF423D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.023
- Dusty Red #B9484E ΔE 0.031
- Light Maroon #A24857 ΔE 0.040
- Dark Rose #B5485D ΔE 0.044
- Rusty Red #AF2F0D ΔE 0.044
- Light Burgundy #A8415B ΔE 0.045
- Sinopia #BB3E03 ΔE 0.046
- Brick #A03623 ΔE 0.047
Use #AF423D 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.