#AC3545
Closest named color: Light Burgundy (#A8415B). oklch(50.9% 0.154 16.9), rgb(172, 53, 69).
Aa
White text reads best on this color (6.26:1).
About this color
#AC3545 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.154 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.032 away. White text reads best on it, at 6.26:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.34:1 |
| White text | 6.26:1 |
Values
| HEX | #AC3545 |
| RGB | rgb(172, 53, 69) |
| HSL | hsl(352, 53%, 44%) |
| OKLCH | oklch(50.9% 0.154 16.9) |
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 #AC3545 | 6.26:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #AC3545 | 3.34:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #AC3545 text on white | 6.26:1 | AA | Lc 80.2 | Fine for body text |
| #AC3545 text on black | 3.34:1 | AA large text | Lc -21.6 | 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
#EDAEAF
oklch(81% 0.074 17.8)
-
Step 400
400
#E18086
oklch(70.7% 0.12 16.6)
-
Step 500
500
#D55C68
oklch(63% 0.153 16.6)
-
Step 600
600
#C13E4F
oklch(55.6% 0.166 17)
-
Step 700
700 (this color)
#AC3545
oklch(50.9% 0.154 16.9)
-
Step 800
800
#872935
oklch(42.8% 0.128 17.1)
-
Step 900
900
#6D272E
oklch(37.8% 0.1 17.3)
-
Step 950
950
#40181B
oklch(27.1% 0.062 17.6)
#AC3545 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) | #545045 | 0.169 |
| Deuteranopia (no green cones) | #726942 | 0.155 |
| Tritanopia (no blue cones) | #BC193C | 0.039 |
| Achromatopsia (no color) | #606060 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC3545
#AC3545
oklch(50.9% 0.154 16.9)
- #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 #AC3545, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.032
- Brown #A52A2A ΔE 0.037
- Light Maroon #A24857 ΔE 0.039
- Firebrick #B22222 ΔE 0.040
- Dull Red #BB3F3F ΔE 0.041
- Rouge #AB1239 ΔE 0.042
- Dark Rose #B5485D ΔE 0.047
- Dusty Red #B9484E ΔE 0.047
Use #AC3545 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.