#AC374C
Closest named color: Light Burgundy (#A8415B). oklch(51.3% 0.152 13.8), rgb(172, 55, 76).
Aa
White text reads best on this color (6.16:1).
About this color
#AC374C is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.152 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.024 away. White text reads best on it, at 6.16:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.40:1 |
| White text | 6.16:1 |
Values
| HEX | #AC374C |
| RGB | rgb(172, 55, 76) |
| HSL | hsl(349, 52%, 45%) |
| OKLCH | oklch(51.3% 0.152 13.8) |
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 #AC374C | 6.16:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #AC374C | 3.40:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #AC374C text on white | 6.16:1 | AA | Lc 79.8 | Fine for body text |
| #AC374C text on black | 3.40:1 | AA large text | Lc -22.0 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E4E5
oklch(93.5% 0.022 14.1)
-
Step 200
200
#F3CFD1
oklch(88.6% 0.041 14.2)
-
Step 300
300
#ECAEB2
oklch(80.9% 0.073 14.5)
-
Step 400
400
#E0808A
oklch(70.7% 0.119 13.9)
-
Step 500
500
#D45D6E
oklch(63.1% 0.15 13.7)
-
Step 600
600
#BF3F56
oklch(55.6% 0.163 13.7)
-
Step 700
700 (this color)
#AC374C
oklch(51.3% 0.152 13.8)
-
Step 800
800
#86293A
oklch(42.7% 0.127 13.6)
-
Step 900
900
#6C2732
oklch(37.8% 0.099 13.5)
-
Step 950
950
#3F181D
oklch(27% 0.061 14.2)
#AC374C 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) | #54524C | 0.168 |
| Deuteranopia (no green cones) | #726A49 | 0.154 |
| Tritanopia (no blue cones) | #BC1F3F | 0.038 |
| Achromatopsia (no color) | #616161 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC374C
#AC374C
oklch(51.3% 0.152 13.8)
- #007675
#007675
oklch(51.2% 0.088 193.7)
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 #AC374C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.024
- Light Maroon #A24857 ΔE 0.034
- Dark Rose #B5485D ΔE 0.041
- Dull Red #BB3F3F ΔE 0.043
- Dusty Red #B9484E ΔE 0.046
- Brown #A52A2A ΔE 0.046
- Rouge #AB1239 ΔE 0.046
- Firebrick #B22222 ΔE 0.049
Use #AC374C 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.