#AC4178
Closest named color: Light Burgundy (#A8415B). oklch(53.8% 0.152 351.5), rgb(172, 65, 120).
Aa
White text reads best on this color (5.55:1).
About this color
#AC4178 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.152 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.046 away. White text reads best on it, at 5.55:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.78:1 |
| White text | 5.55:1 |
Values
| HEX | #AC4178 |
| RGB | rgb(172, 65, 120) |
| HSL | hsl(329, 45%, 46%) |
| OKLCH | oklch(53.8% 0.152 351.5) |
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 #AC4178 | 5.55:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #AC4178 | 3.78:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #AC4178 text on white | 5.55:1 | AA | Lc 77.0 | Fine for body text |
| #AC4178 text on black | 3.78:1 | AA large text | Lc -24.7 | 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 600.
-
Step 50
50
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F5E5EB
oklch(93.6% 0.019 352.7)
-
Step 200
200
#EECFDC
oklch(88.4% 0.039 350.7)
-
Step 300
300
#E4AFC6
oklch(80.9% 0.068 350.9)
-
Step 400
400
#D483A8
oklch(70.6% 0.109 351.4)
-
Step 500
500
#C76293
oklch(63.1% 0.14 351.5)
-
Step 600
600 (this color)
#AC4178
oklch(53.8% 0.152 351.5)
-
Step 700
700
#99376A
oklch(49.1% 0.142 351.3)
-
Step 800
800
#7C2F56
oklch(42.7% 0.116 351.6)
-
Step 900
900
#642A47
oklch(37.6% 0.091 351.2)
-
Step 950
950
#3B192A
oklch(26.9% 0.059 350.5)
#AC4178 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) | #505C7A | 0.166 |
| Deuteranopia (no green cones) | #6D6F75 | 0.150 |
| Tritanopia (no blue cones) | #B83C57 | 0.054 |
| Achromatopsia (no color) | #686868 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC4178
#AC4178
oklch(53.8% 0.152 351.5)
- #008166
#008166
oklch(53.7% 0.105 171.4)
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 #AC4178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.046
- Light Plum #9D5783 ΔE 0.050
- Dark Rose #B5485D ΔE 0.053
- Light Maroon #A24857 ΔE 0.060
- Deep Rose #C74767 ΔE 0.065
- Dark Pink #CB416B ΔE 0.065
- Light Eggplant #894585 ΔE 0.071
- Medium Violet Red #C71585 ΔE 0.072
Use #AC4178 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.