#AC2556
Closest named color: Raspberry (#B00149). oklch(49.8% 0.173 4.7), rgb(172, 37, 86).
Aa
White text reads best on this color (6.66:1).
About this color
#AC2556 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.173 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.027 away. White text reads best on it, at 6.66:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.173) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.15:1 |
| White text | 6.66:1 |
Values
| HEX | #AC2556 |
| RGB | rgb(172, 37, 86) |
| HSL | hsl(338, 65%, 41%) |
| OKLCH | oklch(49.8% 0.173 4.7) |
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 #AC2556 | 6.66:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #AC2556 | 3.15:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #AC2556 text on white | 6.66:1 | AA | Lc 81.5 | Fine for body text |
| #AC2556 text on black | 3.15:1 | AA large text | Lc -20.4 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#F9E4E8
oklch(93.7% 0.024 4.5)
-
Step 200
200
#F5CDD5
oklch(88.5% 0.046 4.6)
-
Step 300
300
#F0AABA
oklch(80.9% 0.084 4.1)
-
Step 400
400
#E57A96
oklch(70.7% 0.135 4.5)
-
Step 500
500
#DA547C
oklch(63.2% 0.171 4.9)
-
Step 600
600
#C53265
oklch(55.7% 0.186 4.9)
-
Step 700
700 (this color)
#AC2556
oklch(49.8% 0.173 4.7)
-
Step 800
800
#8A2045
oklch(42.8% 0.143 4.8)
-
Step 900
900
#6F213A
oklch(37.7% 0.112 4.6)
-
Step 950
950
#411522
oklch(27% 0.07 4.6)
#AC2556 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) | #474B57 | 0.195 |
| Deuteranopia (no green cones) | #6B6653 | 0.176 |
| Tritanopia (no blue cones) | #BB003B | 0.046 |
| Achromatopsia (no color) | #5C5C5C | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC2556
#AC2556
oklch(49.8% 0.173 4.7)
- #007369
#007369
oklch(49.9% 0.088 184.4)
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 #AC2556, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.027
- Violet Red #A50055 ΔE 0.038
- Rouge #AB1239 ΔE 0.040
- Light Burgundy #A8415B ΔE 0.044
- Rose Red #BE013C ΔE 0.049
- Deep Magenta #A0025C ΔE 0.049
- Dark Fuchsia #9D0759 ΔE 0.050
- Berry #990F4B ΔE 0.052
Use #AC2556 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.