#AC2544
Closest named color: Rouge (#AB1239). oklch(49.4% 0.17 13.5), rgb(172, 37, 68).
Aa
White text reads best on this color (6.76:1).
About this color
#AC2544 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.170 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.021 away. White text reads best on it, at 6.76:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 3.10:1 |
| White text | 6.76:1 |
Values
| HEX | #AC2544 |
| RGB | rgb(172, 37, 68) |
| HSL | hsl(346, 65%, 41%) |
| OKLCH | oklch(49.4% 0.17 13.5) |
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 #AC2544 | 6.76:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #AC2544 | 3.10:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #AC2544 text on white | 6.76:1 | AA | Lc 81.9 | Fine for body text |
| #AC2544 text on black | 3.10:1 | AA large text | Lc -20.0 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F6CDD0
oklch(88.4% 0.046 13.1)
-
Step 300
300
#F1ABB1
oklch(80.9% 0.083 13.4)
-
Step 400
400
#E67C88
oklch(70.7% 0.131 13.8)
-
Step 500
500
#DB556B
oklch(63% 0.168 13.4)
-
Step 600
600
#C73453
oklch(55.7% 0.183 13.6)
-
Step 700
700 (this color)
#AC2544
oklch(49.4% 0.17 13.5)
-
Step 800
800
#8B2138
oklch(42.7% 0.141 13.3)
-
Step 900
900
#702230
oklch(37.7% 0.11 13.6)
-
Step 950
950
#42151C
oklch(27% 0.07 13.7)
#AC2544 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) | #4B4944 | 0.190 |
| Deuteranopia (no green cones) | #6D6540 | 0.173 |
| Tritanopia (no blue cones) | #BD0032 | 0.039 |
| Achromatopsia (no color) | #5B5B5B | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC2544
#AC2544
oklch(49.4% 0.17 13.5)
- #00706F
#00706F
oklch(49.3% 0.084 193.7)
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 #AC2544, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.021
- Raspberry #B00149 ΔE 0.030
- Rose Red #BE013C ΔE 0.038
- Brown #A52A2A ΔE 0.038
- Firebrick #B22222 ΔE 0.042
- Lipstick Red #C0022F ΔE 0.045
- Light Burgundy #A8415B ΔE 0.047
- Cranberry #9E003A ΔE 0.049
Use #AC2544 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.