#AC0839
Closest named color: Rouge (#AB1239). oklch(47.6% 0.186 14.9), rgb(172, 8, 57).
Aa
White text reads best on this color (7.37:1).
About this color
#AC0839 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.186 and its hue 15°. 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 7.37:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.84:1 |
| White text | 7.37:1 |
Values
| HEX | #AC0839 |
| RGB | rgb(172, 8, 57) |
| HSL | hsl(342, 91%, 35%) |
| OKLCH | oklch(47.6% 0.186 14.9) |
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 #AC0839 | 7.37:1 | AAA | Lc -88.4 | Fine for body text |
| Black text on #AC0839 | 2.84:1 | Fails | Lc 20.7 | Dividers and decoration only |
| #AC0839 text on white | 7.37:1 | AAA | Lc 83.4 | Fine for body text |
| #AC0839 text on black | 2.84:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FBE3E4
oklch(93.6% 0.026 14.7)
-
Step 200
200
#F9CCCE
oklch(88.5% 0.051 15.2)
-
Step 300
300
#F5A9AE
oklch(80.9% 0.09 14.9)
-
Step 400
400
#EC7783
oklch(70.7% 0.144 15.1)
-
Step 500
500
#E24D65
oklch(63.1% 0.184 14.8)
-
Step 600
600
#CE254C
oklch(55.7% 0.201 14.9)
-
Step 700
700 (this color)
#AC0839
oklch(47.6% 0.186 14.9)
-
Step 800
800
#901733
oklch(42.7% 0.154 14.8)
-
Step 900
900
#741D2C
oklch(37.8% 0.12 15.4)
-
Step 950
950
#44131A
oklch(27% 0.075 15.3)
#AC0839 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) | #444139 | 0.209 |
| Deuteranopia (no green cones) | #6A6134 | 0.191 |
| Tritanopia (no blue cones) | #BD0022 | 0.044 |
| Achromatopsia (no color) | #565656 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC0839
#AC0839
oklch(47.6% 0.186 14.9)
- #006A6B
#006A6B
oklch(47.5% 0.081 195.9)
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 #AC0839, 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 0.025
- Cranberry #9E003A ΔE 0.033
- Rose Red #BE013C ΔE 0.038
- Brown #A52A2A ΔE 0.042
- Firebrick #B22222 ΔE 0.044
- Lipstick Red #C0022F ΔE 0.044
- Auburn #9B2226 ΔE 0.047
Use #AC0839 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.