#AC0C34
Closest named color: Rouge (#AB1239). oklch(47.6% 0.185 17.3), rgb(172, 12, 52).
Aa
White text reads best on this color (7.35:1).
About this color
#AC0C34 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.185 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.006 away. White text reads best on it, at 7.35:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.85:1 |
| White text | 7.35:1 |
Values
| HEX | #AC0C34 |
| RGB | rgb(172, 12, 52) |
| HSL | hsl(345, 87%, 36%) |
| OKLCH | oklch(47.6% 0.185 17.3) |
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 #AC0C34 | 7.35:1 | AAA | Lc -88.4 | Fine for body text |
| Black text on #AC0C34 | 2.85:1 | Fails | Lc 20.7 | Dividers and decoration only |
| #AC0C34 text on white | 7.35:1 | AAA | Lc 83.4 | Fine for body text |
| #AC0C34 text on black | 2.85:1 | Fails | Lc -18.6 | 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
#FDF2F2
oklch(97% 0.012 17.4)
-
Step 100
100
#FBE3E3
oklch(93.5% 0.026 17.6)
-
Step 200
200
#F8CDCD
oklch(88.5% 0.049 18.1)
-
Step 300
300
#F5A9AC
oklch(80.9% 0.09 16.6)
-
Step 400
400
#EC7880
oklch(70.7% 0.143 17.1)
-
Step 500
500
#E24E60
oklch(63.1% 0.183 17.1)
-
Step 600
600
#CD2746
oklch(55.5% 0.199 17.3)
-
Step 700
700 (this color)
#AC0C34
oklch(47.6% 0.185 17.3)
-
Step 800
800
#90182F
oklch(42.7% 0.153 17.1)
-
Step 900
900
#741D29
oklch(37.7% 0.12 17.5)
-
Step 950
950
#441319
oklch(27% 0.075 16.6)
#AC0C34 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) | #454134 | 0.207 |
| Deuteranopia (no green cones) | #6B612F | 0.188 |
| Tritanopia (no blue cones) | #BD0021 | 0.040 |
| Achromatopsia (no color) | #565656 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC0C34
#AC0C34
oklch(47.6% 0.185 17.3)
- #006A6C
#006A6C
oklch(47.5% 0.081 197.1)
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 #AC0C34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.006
- Raspberry #B00149 ΔE 0.032
- Cranberry #9E003A ΔE 0.036
- Brown #A52A2A ΔE 0.036
- Firebrick #B22222 ΔE 0.037
- Rose Red #BE013C ΔE 0.038
- Auburn #9B2226 ΔE 0.042
- Lipstick Red #C0022F ΔE 0.042
Use #AC0C34 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.