#AC105B
Closest named color: Violet Red (#A50055). oklch(48.8% 0.189 0.1), rgb(172, 16, 91).
Aa
White text reads best on this color (7.04:1).
About this color
#AC105B is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.189 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.020 away. White text reads best on it, at 7.04:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.97:1 |
| White text | 7.04:1 |
Values
| HEX | #AC105B |
| RGB | rgb(172, 16, 91) |
| HSL | hsl(331, 83%, 37%) |
| OKLCH | oklch(48.8% 0.189 0.1) |
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 #AC105B | 7.04:1 | AAA | Lc -87.5 | Fine for body text |
| Black text on #AC105B | 2.97:1 | Fails | Lc 21.6 | Dividers and decoration only |
| #AC105B text on white | 7.04:1 | AAA | Lc 82.5 | Fine for body text |
| #AC105B text on black | 2.97:1 | Fails | Lc -19.4 | 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
#FAE3E9
oklch(93.6% 0.026 359.9)
-
Step 200
200
#F7CCD7
oklch(88.5% 0.05 1.1)
-
Step 300
300
#F3A8BE
oklch(81% 0.092 0.2)
-
Step 400
400
#E8769C
oklch(70.7% 0.146 0.4)
-
Step 500
500
#DE4C84
oklch(63.1% 0.187 0.4)
-
Step 600
600
#C9246E
oklch(55.6% 0.204 0.2)
-
Step 700
700 (this color)
#AC105B
oklch(48.8% 0.189 0.1)
-
Step 800
800
#8D164B
oklch(42.8% 0.157 0.4)
-
Step 900
900
#711C3F
oklch(37.7% 0.122 359.9)
-
Step 950
950
#431225
oklch(27% 0.078 359.8)
#AC105B 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) | #3D465C | 0.216 |
| Deuteranopia (no green cones) | #666358 | 0.192 |
| Tritanopia (no blue cones) | #BB0036 | 0.062 |
| Achromatopsia (no color) | #595959 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC105B
#AC105B
oklch(48.8% 0.189 0.1)
- #007062
#007062
oklch(48.9% 0.089 180.2)
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 #AC105B, closest first.
No curated palette has a color within ΔE 0.04 of #AC105B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.020
- Raspberry #B00149 ΔE 0.028
- Deep Magenta #A0025C ΔE 0.030
- Dark Fuchsia #9D0759 ΔE 0.034
- Red Violet #9E0168 ΔE 0.044
- Berry #990F4B ΔE 0.046
- Purple Red #990147 ΔE 0.051
- Rouge #AB1239 ΔE 0.051
Use #AC105B 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.