#AC1C44
Closest named color: Rouge (#AB1239). oklch(48.7% 0.177 12.1), rgb(172, 28, 68).
Aa
White text reads best on this color (6.99:1).
About this color
#AC1C44 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.177 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.015 away. White text reads best on it, at 6.99:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 3.00:1 |
| White text | 6.99:1 |
Values
| HEX | #AC1C44 |
| RGB | rgb(172, 28, 68) |
| HSL | hsl(343, 72%, 39%) |
| OKLCH | oklch(48.7% 0.177 12.1) |
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 #AC1C44 | 6.99:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #AC1C44 | 3.00:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #AC1C44 text on white | 6.99:1 | AA | Lc 82.5 | Fine for body text |
| #AC1C44 text on black | 3.00:1 | AA large text | 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FAE4E5
oklch(93.7% 0.024 14.4)
-
Step 200
200
#F7CDD1
oklch(88.5% 0.048 11.6)
-
Step 300
300
#F2AAB2
oklch(80.9% 0.085 11.8)
-
Step 400
400
#E87A8A
oklch(70.7% 0.136 12)
-
Step 500
500
#DE526D
oklch(63.2% 0.175 12.1)
-
Step 600
600
#C92E55
oklch(55.6% 0.19 12)
-
Step 700
700 (this color)
#AC1C44
oklch(48.7% 0.177 12.1)
-
Step 800
800
#8D1D39
oklch(42.8% 0.147 12.1)
-
Step 900
900
#712031
oklch(37.7% 0.114 12.1)
-
Step 950
950
#43141D
oklch(27% 0.073 11.8)
#AC1C44 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) | #474644 | 0.199 |
| Deuteranopia (no green cones) | #6B6340 | 0.180 |
| Tritanopia (no blue cones) | #BD002E | 0.042 |
| Achromatopsia (no color) | #595959 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC1C44
#AC1C44
oklch(48.7% 0.177 12.1)
- #006E6C
#006E6C
oklch(48.7% 0.083 192.6)
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 #AC1C44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.015
- Raspberry #B00149 ΔE 0.021
- Rose Red #BE013C ΔE 0.037
- Cranberry #9E003A ΔE 0.041
- Brown #A52A2A ΔE 0.044
- Violet Red #A50055 ΔE 0.044
- Lipstick Red #C0022F ΔE 0.046
- Firebrick #B22222 ΔE 0.047
Use #AC1C44 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.