#AC3478
Closest named color: Light Burgundy (#A8415B). oklch(52.3% 0.169 349.7), rgb(172, 52, 120).
Aa
White text reads best on this color (5.97:1).
About this color
#AC3478 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.169 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.058 away. White text reads best on it, at 5.97:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.169) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #AC3478 |
| RGB | rgb(172, 52, 120) |
| HSL | hsl(326, 54%, 44%) |
| OKLCH | oklch(52.3% 0.169 349.7) |
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 #AC3478 | 5.97:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #AC3478 | 3.51:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #AC3478 text on white | 5.97:1 | AA | Lc 78.9 | Fine for body text |
| #AC3478 text on black | 3.51:1 | AA large text | Lc -22.9 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F2CDDD
oklch(88.4% 0.046 350.2)
-
Step 300
300
#EAABC8
oklch(80.8% 0.082 349.9)
-
Step 400
400
#DD7DAD
oklch(70.8% 0.131 349.6)
-
Step 500
500
#D05798
oklch(63% 0.168 349.6)
-
Step 600
600
#BB3883
oklch(55.6% 0.182 349.4)
-
Step 700
700 (this color)
#AC3478
oklch(52.3% 0.169 349.7)
-
Step 800
800
#83245A
oklch(42.7% 0.14 349.7)
-
Step 900
900
#6A244A
oklch(37.8% 0.109 349.9)
-
Step 950
950
#3E162B
oklch(27% 0.069 350)
#AC3478 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) | #46567A | 0.187 |
| Deuteranopia (no green cones) | #686B75 | 0.167 |
| Tritanopia (no blue cones) | #B82E51 | 0.064 |
| Achromatopsia (no color) | #636363 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC3478
#AC3478
oklch(52.3% 0.169 349.7)
- #007D60
#007D60
oklch(52.4% 0.105 169.3)
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 #AC3478, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.058
- Medium Violet Red #C71585 ΔE 0.060
- Red Violet #9E0168 ΔE 0.066
- Warm Purple #952E8F ΔE 0.066
- Deep Magenta #A0025C ΔE 0.068
- Violet Red #A50055 ΔE 0.068
- Light Plum #9D5783 ΔE 0.070
- Dark Rose #B5485D ΔE 0.070
Use #AC3478 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.