#AC3646
Closest named color: Light Burgundy (#A8415B). oklch(51% 0.153 16.7), rgb(172, 54, 70).
Aa
White text reads best on this color (6.23:1).
About this color
#AC3646 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.153 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.031 away. White text reads best on it, at 6.23:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.37:1 |
| White text | 6.23:1 |
Values
| HEX | #AC3646 |
| RGB | rgb(172, 54, 70) |
| HSL | hsl(352, 52%, 44%) |
| OKLCH | oklch(51% 0.153 16.7) |
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 #AC3646 | 6.23:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #AC3646 | 3.37:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #AC3646 text on white | 6.23:1 | AA | Lc 80.1 | Fine for body text |
| #AC3646 text on black | 3.37:1 | AA large text | Lc -21.8 | 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
#F3CFCF
oklch(88.5% 0.041 17.9)
-
Step 300
300
#EDAEB0
oklch(81% 0.074 16.7)
-
Step 400
400
#E08086
oklch(70.6% 0.119 16.6)
-
Step 500
500
#D55D68
oklch(63.1% 0.151 16.9)
-
Step 600
600
#C03F50
oklch(55.6% 0.164 16.7)
-
Step 700
700 (this color)
#AC3646
oklch(51% 0.153 16.7)
-
Step 800
800
#862936
oklch(42.6% 0.126 16.3)
-
Step 900
900
#6C272E
oklch(37.7% 0.098 17.1)
-
Step 950
950
#40181B
oklch(27.1% 0.062 17.6)
#AC3646 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) | #545146 | 0.168 |
| Deuteranopia (no green cones) | #726A43 | 0.155 |
| Tritanopia (no blue cones) | #BC1B3D | 0.039 |
| Achromatopsia (no color) | #616161 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC3646
#AC3646
oklch(51% 0.153 16.7)
- #007577
#007577
oklch(51% 0.087 196.9)
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 #AC3646, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.031
- Light Maroon #A24857 ΔE 0.037
- Brown #A52A2A ΔE 0.039
- Dull Red #BB3F3F ΔE 0.040
- Firebrick #B22222 ΔE 0.042
- Rouge #AB1239 ΔE 0.044
- Dark Rose #B5485D ΔE 0.046
- Dusty Red #B9484E ΔE 0.046
Use #AC3646 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.