#AD2F42
Closest named color: Rouge (#AB1239). oklch(50.4% 0.162 16.9), rgb(173, 47, 66).
Aa
White text reads best on this color (6.43:1).
About this color
#AD2F42 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.162 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.033 away. White text reads best on it, at 6.43:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 3.26:1 |
| White text | 6.43:1 |
Values
| HEX | #AD2F42 |
| RGB | rgb(173, 47, 66) |
| HSL | hsl(351, 57%, 43%) |
| OKLCH | oklch(50.4% 0.162 16.9) |
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 #AD2F42 | 6.43:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #AD2F42 | 3.26:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #AD2F42 text on white | 6.43:1 | AA | Lc 80.8 | Fine for body text |
| #AD2F42 text on black | 3.26:1 | AA large text | Lc -21.1 | 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 700.
-
Step 50
50
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F5CECF
oklch(88.5% 0.044 16.3)
-
Step 300
300
#EFADAF
oklch(81% 0.078 16.9)
-
Step 400
400
#E47E85
oklch(70.7% 0.126 16.4)
-
Step 500
500
#D85966
oklch(63% 0.16 16.8)
-
Step 600
600
#C43A4E
oklch(55.7% 0.174 16.7)
-
Step 700
700 (this color)
#AD2F42
oklch(50.4% 0.162 16.9)
-
Step 800
800
#892534
oklch(42.7% 0.134 16.6)
-
Step 900
900
#6E252D
oklch(37.7% 0.104 17.1)
-
Step 950
950
#41171B
oklch(27.1% 0.065 16.8)
#AD2F42 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) | #514E42 | 0.178 |
| Deuteranopia (no green cones) | #71683F | 0.163 |
| Tritanopia (no blue cones) | #BE0637 | 0.041 |
| Achromatopsia (no color) | #5E5E5E | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD2F42
#AD2F42
oklch(50.4% 0.162 16.9)
- #007375
#007375
oklch(50.4% 0.086 196.9)
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 #AD2F42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.033
- Brown #A52A2A ΔE 0.034
- Firebrick #B22222 ΔE 0.035
- Light Burgundy #A8415B ΔE 0.039
- Rose Red #BE013C ΔE 0.042
- Dull Red #BB3F3F ΔE 0.045
- Lipstick Red #C0022F ΔE 0.045
- Raspberry #B00149 ΔE 0.046
Use #AD2F42 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.