#AC366B
Closest named color: Light Burgundy (#A8415B). oklch(52.1% 0.161 356.6), rgb(172, 54, 107).
Aa
White text reads best on this color (6.01:1).
About this color
#AC366B is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.161 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.037 away. White text reads best on it, at 6.01:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.161) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.49:1 |
| White text | 6.01:1 |
Values
| HEX | #AC366B |
| RGB | rgb(172, 54, 107) |
| HSL | hsl(333, 52%, 44%) |
| OKLCH | oklch(52.1% 0.161 356.6) |
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 #AC366B | 6.01:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #AC366B | 3.49:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #AC366B text on white | 6.01:1 | AA | Lc 79.1 | Fine for body text |
| #AC366B text on black | 3.49:1 | AA large text | Lc -22.7 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F7E4EA
oklch(93.6% 0.022 356.3)
-
Step 200
200
#F2CEDA
oklch(88.5% 0.043 356)
-
Step 300
300
#EBACC2
oklch(80.9% 0.079 356.3)
-
Step 400
400
#DD7EA2
oklch(70.6% 0.124 356.6)
-
Step 500
500
#D15A8B
oklch(63.1% 0.158 356.8)
-
Step 600
600
#BC3B75
oklch(55.5% 0.173 356.7)
-
Step 700
700 (this color)
#AC366B
oklch(52.1% 0.161 356.6)
-
Step 800
800
#842650
oklch(42.7% 0.134 357)
-
Step 900
900
#6A2543
oklch(37.7% 0.104 356.3)
-
Step 950
950
#3E1727
oklch(27% 0.064 356.6)
#AC366B 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) | #4C556C | 0.179 |
| Deuteranopia (no green cones) | #6C6B68 | 0.161 |
| Tritanopia (no blue cones) | #BA2B4C | 0.052 |
| Achromatopsia (no color) | #636363 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC366B
#AC366B
oklch(52.1% 0.161 356.6)
- #007B68
#007B68
oklch(52.1% 0.097 176.9)
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 #AC366B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.037
- Dark Rose #B5485D ΔE 0.053
- Light Maroon #A24857 ΔE 0.055
- Raspberry #B00149 ΔE 0.060
- Violet Red #A50055 ΔE 0.062
- Deep Magenta #A0025C ΔE 0.066
- Dark Fuchsia #9D0759 ΔE 0.068
- Light Plum #9D5783 ΔE 0.069
Use #AC366B 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.