#AC3670
Closest named color: Light Burgundy (#A8415B). oklch(52.3% 0.163 354), rgb(172, 54, 112).
Aa
White text reads best on this color (5.97:1).
About this color
#AC3670 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.163 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.044 away. White text reads best on it, at 5.97:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #AC3670 |
| RGB | rgb(172, 54, 112) |
| HSL | hsl(331, 52%, 44%) |
| OKLCH | oklch(52.3% 0.163 354) |
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 #AC3670 | 5.97:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #AC3670 | 3.51:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #AC3670 text on white | 5.97:1 | AA | Lc 78.9 | Fine for body text |
| #AC3670 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
#F7E4EB
oklch(93.6% 0.023 353.2)
-
Step 200
200
#F2CEDB
oklch(88.6% 0.044 354.3)
-
Step 300
300
#EAACC4
oklch(80.9% 0.079 354)
-
Step 400
400
#DD7EA6
oklch(70.8% 0.126 354.1)
-
Step 500
500
#D15990
oklch(63.1% 0.162 354.1)
-
Step 600
600
#BC3B7A
oklch(55.7% 0.175 354.3)
-
Step 700
700 (this color)
#AC3670
oklch(52.3% 0.163 354)
-
Step 800
800
#832654
oklch(42.7% 0.135 353.9)
-
Step 900
900
#6A2545
oklch(37.8% 0.105 354.5)
-
Step 950
950
#3E1729
oklch(27.1% 0.066 353.5)
#AC3670 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) | #4A5672 | 0.181 |
| Deuteranopia (no green cones) | #6B6B6D | 0.162 |
| Tritanopia (no blue cones) | #B92D4E | 0.056 |
| Achromatopsia (no color) | #636363 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC3670
#AC3670
oklch(52.3% 0.163 354)
- #007C65
#007C65
oklch(52.3% 0.1 173.7)
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 #AC3670, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.044
- Dark Rose #B5485D ΔE 0.058
- Light Maroon #A24857 ΔE 0.061
- Violet Red #A50055 ΔE 0.064
- Raspberry #B00149 ΔE 0.066
- Deep Magenta #A0025C ΔE 0.067
- Light Plum #9D5783 ΔE 0.068
- Medium Violet Red #C71585 ΔE 0.068
Use #AC3670 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.