#AD1F66
Closest named color: Violet Red (#A50055). oklch(50.1% 0.184 356.4), rgb(173, 31, 102).
Aa
White text reads best on this color (6.63:1).
About this color
#AD1F66 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.184 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.036 away. White text reads best on it, at 6.63:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #AD1F66 |
| RGB | rgb(173, 31, 102) |
| HSL | hsl(330, 70%, 40%) |
| OKLCH | oklch(50.1% 0.184 356.4) |
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 #AD1F66 | 6.63:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #AD1F66 | 3.16:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #AD1F66 text on white | 6.63:1 | AA | Lc 81.3 | Fine for body text |
| #AD1F66 text on black | 3.16:1 | AA large text | Lc -20.6 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3EA
oklch(93.6% 0.026 356.3)
-
Step 200
200
#F5CCDA
oklch(88.4% 0.049 355.6)
-
Step 300
300
#F0A9C2
oklch(80.9% 0.089 356.4)
-
Step 400
400
#E578A3
oklch(70.8% 0.142 356.4)
-
Step 500
500
#DA4F8C
oklch(63.1% 0.183 356.5)
-
Step 600
600
#C52B76
oklch(55.6% 0.198 356.5)
-
Step 700
700 (this color)
#AD1F66
oklch(50.1% 0.184 356.4)
-
Step 800
800
#8A1A51
oklch(42.7% 0.153 356.4)
-
Step 900
900
#6F1E43
oklch(37.7% 0.119 356.5)
-
Step 950
950
#411327
oklch(26.9% 0.075 356.4)
#AD1F66 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) | #404C68 | 0.208 |
| Deuteranopia (no green cones) | #676663 | 0.185 |
| Tritanopia (no blue cones) | #BB0040 | 0.061 |
| Achromatopsia (no color) | #5C5C5C | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD1F66
#AD1F66
oklch(50.1% 0.184 356.4)
- #007462
#007462
oklch(50% 0.093 176.9)
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 #AD1F66, closest first.
No curated palette has a color within ΔE 0.04 of #AD1F66.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.036
- Deep Magenta #A0025C ΔE 0.040
- Raspberry #B00149 ΔE 0.043
- Dark Fuchsia #9D0759 ΔE 0.045
- Red Violet #9E0168 ΔE 0.046
- Berry #990F4B ΔE 0.060
- Light Burgundy #A8415B ΔE 0.060
- Rouge #AB1239 ΔE 0.065
Use #AD1F66 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.