#AC3447
Closest named color: Light Burgundy (#A8415B). oklch(50.8% 0.155 15.6), rgb(172, 52, 71).
Aa
White text reads best on this color (6.29:1).
About this color
#AC3447 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.155 and its hue 16°. 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 6.29:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.33:1 |
| White text | 6.29:1 |
Values
| HEX | #AC3447 |
| RGB | rgb(172, 52, 71) |
| HSL | hsl(351, 54%, 44%) |
| OKLCH | oklch(50.8% 0.155 15.6) |
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 #AC3447 | 6.29:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #AC3447 | 3.33:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #AC3447 text on white | 6.29:1 | AA | Lc 80.3 | Fine for body text |
| #AC3447 text on black | 3.33:1 | AA large text | Lc -21.5 | 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
#F4CFD0
oklch(88.6% 0.042 16.1)
-
Step 300
300
#EDADB0
oklch(80.8% 0.075 15.8)
-
Step 400
400
#E18087
oklch(70.7% 0.12 16)
-
Step 500
500
#D65C6A
oklch(63.2% 0.154 15.6)
-
Step 600
600
#C13D52
oklch(55.6% 0.168 15.3)
-
Step 700
700 (this color)
#AC3447
oklch(50.8% 0.155 15.6)
-
Step 800
800
#872837
oklch(42.7% 0.129 15.4)
-
Step 900
900
#6D262F
oklch(37.7% 0.101 15.8)
-
Step 950
950
#40171C
oklch(26.9% 0.064 15)
#AC3447 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) | #535047 | 0.171 |
| Deuteranopia (no green cones) | #726944 | 0.156 |
| Tritanopia (no blue cones) | #BC183C | 0.039 |
| Achromatopsia (no color) | #606060 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC3447
#AC3447
oklch(50.8% 0.155 15.6)
- #007575
#007575
oklch(50.9% 0.087 194.8)
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 #AC3447, 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 0.039
- Brown #A52A2A ΔE 0.039
- Rouge #AB1239 ΔE 0.041
- Firebrick #B22222 ΔE 0.042
- Dull Red #BB3F3F ΔE 0.043
- Dark Rose #B5485D ΔE 0.047
- Rose Red #BE013C ΔE 0.048
Use #AC3447 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.