#AC1F63
Closest named color: Violet Red (#A50055). oklch(49.8% 0.182 357.6), rgb(172, 31, 99).
Aa
White text reads best on this color (6.70:1).
About this color
#AC1F63 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.182 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.033 away. White text reads best on it, at 6.70:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 3.13:1 |
| White text | 6.70:1 |
Values
| HEX | #AC1F63 |
| RGB | rgb(172, 31, 99) |
| HSL | hsl(331, 69%, 40%) |
| OKLCH | oklch(49.8% 0.182 357.6) |
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 #AC1F63 | 6.70:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #AC1F63 | 3.13:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #AC1F63 text on white | 6.70:1 | AA | Lc 81.6 | Fine for body text |
| #AC1F63 text on black | 3.13:1 | AA large text | Lc -20.3 | 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 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
#F5CCD9
oklch(88.4% 0.049 357.1)
-
Step 300
300
#F0A9C1
oklch(80.9% 0.088 357.3)
-
Step 400
400
#E578A1
oklch(70.7% 0.142 357.5)
-
Step 500
500
#DA508A
oklch(63.2% 0.18 357.6)
-
Step 600
600
#C52C74
oklch(55.6% 0.196 357.5)
-
Step 700
700 (this color)
#AC1F63
oklch(49.8% 0.182 357.6)
-
Step 800
800
#8A1B4F
oklch(42.7% 0.151 357.7)
-
Step 900
900
#6F1F42
oklch(37.8% 0.117 357.5)
-
Step 950
950
#411427
oklch(27% 0.073 356.9)
#AC1F63 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) | #404B65 | 0.206 |
| Deuteranopia (no green cones) | #676560 | 0.183 |
| Tritanopia (no blue cones) | #BB003F | 0.059 |
| Achromatopsia (no color) | #5C5C5C | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC1F63
#AC1F63
oklch(49.8% 0.182 357.6)
- #007362
#007362
oklch(49.7% 0.092 177.7)
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 #AC1F63, closest first.
No curated palette has a color within ΔE 0.04 of #AC1F63.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.033
- Deep Magenta #A0025C ΔE 0.038
- Raspberry #B00149 ΔE 0.039
- Dark Fuchsia #9D0759 ΔE 0.042
- Red Violet #9E0168 ΔE 0.046
- Berry #990F4B ΔE 0.055
- Light Burgundy #A8415B ΔE 0.058
- Rouge #AB1239 ΔE 0.061
Use #AC1F63 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.