#AD3F4B
Closest named color: Light Burgundy (#A8415B). oklch(52.4% 0.144 17.2), rgb(173, 63, 75).
Aa
White text reads best on this color (5.85:1).
About this color
#AD3F4B is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.144 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.024 away. White text reads best on it, at 5.85:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #AD3F4B |
| RGB | rgb(173, 63, 75) |
| HSL | hsl(353, 47%, 46%) |
| OKLCH | oklch(52.4% 0.144 17.2) |
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 #AD3F4B | 5.85:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #AD3F4B | 3.58:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #AD3F4B text on white | 5.85:1 | AA | Lc 78.5 | Fine for body text |
| #AD3F4B text on black | 3.58:1 | AA large text | Lc -23.3 | 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
#F6E5E5
oklch(93.5% 0.019 17.5)
-
Step 200
200
#F0D0D0
oklch(88.4% 0.036 17.9)
-
Step 300
300
#E8B0B1
oklch(80.9% 0.066 17.4)
-
Step 400
400
#D98589
oklch(70.6% 0.104 17)
-
Step 500
500
#CD656C
oklch(63.2% 0.132 17.4)
-
Step 600
600 (this color)
#AD3F4B
oklch(52.4% 0.144 17.2)
-
Step 700
700
#9E3A44
oklch(49.1% 0.133 17.6)
-
Step 800
800
#803038
oklch(42.6% 0.111 17.2)
-
Step 900
900
#682C31
oklch(37.8% 0.086 17)
-
Step 950
950
#3D1A1D
oklch(27% 0.055 16.1)
#AD3F4B 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) | #5A564B | 0.156 |
| Deuteranopia (no green cones) | #766D48 | 0.144 |
| Tritanopia (no blue cones) | #BD2B44 | 0.038 |
| Achromatopsia (no color) | #656565 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD3F4B
#AD3F4B
oklch(52.4% 0.144 17.2)
- #00797C
#00797C
oklch(52.3% 0.089 197.8)
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 #AD3F4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.024
- Light Maroon #A24857 ΔE 0.027
- Dull Red #BB3F3F ΔE 0.032
- Dark Rose #B5485D ΔE 0.032
- Dusty Red #B9484E ΔE 0.032
- Brown #A52A2A ΔE 0.051
- Firebrick #B22222 ΔE 0.052
- Brick #A03623 ΔE 0.055
Use #AD3F4B 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.