#AC3778
Closest named color: Light Burgundy (#A8415B). oklch(52.7% 0.166 350), rgb(172, 55, 120).
Aa
White text reads best on this color (5.87:1).
About this color
#AC3778 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.166 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.054 away. White text reads best on it, at 5.87:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.57:1 |
| White text | 5.87:1 |
Values
| HEX | #AC3778 |
| RGB | rgb(172, 55, 120) |
| HSL | hsl(327, 52%, 45%) |
| OKLCH | oklch(52.7% 0.166 350) |
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 #AC3778 | 5.87:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #AC3778 | 3.57:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #AC3778 text on white | 5.87:1 | AA | Lc 78.5 | Fine for body text |
| #AC3778 text on black | 3.57:1 | AA large text | Lc -23.3 | 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 600.
-
Step 50
50
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E4EC
oklch(93.6% 0.022 348.8)
-
Step 200
200
#F0CFDD
oklch(88.6% 0.041 350.5)
-
Step 300
300
#E7ADC7
oklch(80.9% 0.075 350.3)
-
Step 400
400
#D880AB
oklch(70.6% 0.12 349.9)
-
Step 500
500
#CB5E96
oklch(63.2% 0.152 350.3)
-
Step 600
600 (this color)
#AC3778
oklch(52.7% 0.166 350)
-
Step 700
700
#9C316D
oklch(49% 0.154 349.7)
-
Step 800
800
#7F2A59
oklch(42.7% 0.128 349.7)
-
Step 900
900
#672849
oklch(37.8% 0.099 350.3)
-
Step 950
950
#3C182B
oklch(27% 0.063 349.2)
#AC3778 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) | #48577A | 0.183 |
| Deuteranopia (no green cones) | #696C75 | 0.163 |
| Tritanopia (no blue cones) | #B83153 | 0.061 |
| Achromatopsia (no color) | #646464 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC3778
#AC3778
oklch(52.7% 0.166 350)
- #007E61
#007E61
oklch(52.7% 0.105 169.5)
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 #AC3778, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.054
- Medium Violet Red #C71585 ΔE 0.062
- Light Plum #9D5783 ΔE 0.065
- Dark Rose #B5485D ΔE 0.066
- Warm Purple #952E8F ΔE 0.069
- Red Violet #9E0168 ΔE 0.070
- Light Maroon #A24857 ΔE 0.070
- Light Eggplant #894585 ΔE 0.071
Use #AC3778 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.