#AC175A
Closest named color: Violet Red (#A50055). oklch(49% 0.185 1.1), rgb(172, 23, 90).
Aa
White text reads best on this color (6.94:1).
About this color
#AC175A is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.185 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.024 away. White text reads best on it, at 6.94:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 3.02:1 |
| White text | 6.94:1 |
Values
| HEX | #AC175A |
| RGB | rgb(172, 23, 90) |
| HSL | hsl(333, 76%, 38%) |
| OKLCH | oklch(49% 0.185 1.1) |
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 #AC175A | 6.94:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #AC175A | 3.02:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #AC175A text on white | 6.94:1 | AA | Lc 82.3 | Fine for body text |
| #AC175A text on black | 3.02:1 | AA large text | Lc -19.6 | 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
#FAE3E9
oklch(93.6% 0.026 359.9)
-
Step 200
200
#F7CCD7
oklch(88.5% 0.05 1.1)
-
Step 300
300
#F2A9BD
oklch(81% 0.089 1.3)
-
Step 400
400
#E7779B
oklch(70.6% 0.143 1)
-
Step 500
500
#DD4E83
oklch(63.2% 0.183 1)
-
Step 600
600
#C8286C
oklch(55.6% 0.199 1.2)
-
Step 700
700 (this color)
#AC175A
oklch(49% 0.185 1.1)
-
Step 800
800
#8C194A
oklch(42.8% 0.153 1.1)
-
Step 900
900
#711D3E
oklch(37.8% 0.12 0.9)
-
Step 950
950
#421324
oklch(26.9% 0.075 1.1)
#AC175A 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) | #40485B | 0.210 |
| Deuteranopia (no green cones) | #676457 | 0.188 |
| Tritanopia (no blue cones) | #BB0038 | 0.057 |
| Achromatopsia (no color) | #5A5A5A | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC175A
#AC175A
oklch(49% 0.185 1.1)
- #007063
#007063
oklch(48.9% 0.088 181.1)
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 #AC175A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.024
- Raspberry #B00149 ΔE 0.026
- Deep Magenta #A0025C ΔE 0.034
- Dark Fuchsia #9D0759 ΔE 0.038
- Berry #990F4B ΔE 0.046
- Rouge #AB1239 ΔE 0.048
- Red Violet #9E0168 ΔE 0.048
- Purple Red #990147 ΔE 0.052
Use #AC175A 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.