#AC1749
Closest named color: Raspberry (#B00149). oklch(48.6% 0.181 9.1), rgb(172, 23, 73).
Aa
White text reads best on this color (7.06:1).
About this color
#AC1749 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.181 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.013 away. White text reads best on it, at 7.06:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 2.97:1 |
| White text | 7.06:1 |
Values
| HEX | #AC1749 |
| RGB | rgb(172, 23, 73) |
| HSL | hsl(340, 76%, 38%) |
| OKLCH | oklch(48.6% 0.181 9.1) |
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 #AC1749 | 7.06:1 | AAA | Lc -87.7 | Fine for body text |
| Black text on #AC1749 | 2.97:1 | Fails | Lc 21.4 | Dividers and decoration only |
| #AC1749 text on white | 7.06:1 | AAA | Lc 82.7 | Fine for body text |
| #AC1749 text on black | 2.97:1 | Fails | Lc -19.2 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E6
oklch(93.5% 0.026 8.6)
-
Step 200
200
#F7CDD2
oklch(88.6% 0.048 10)
-
Step 300
300
#F3A9B5
oklch(80.9% 0.088 8.5)
-
Step 400
400
#E9788E
oklch(70.7% 0.141 9)
-
Step 500
500
#DF4F72
oklch(63.1% 0.18 9.2)
-
Step 600
600
#CA2A5B
oklch(55.6% 0.195 9)
-
Step 700
700 (this color)
#AC1749
oklch(48.6% 0.181 9.1)
-
Step 800
800
#8D1A3D
oklch(42.6% 0.15 9.2)
-
Step 900
900
#721E34
oklch(37.7% 0.118 9.3)
-
Step 950
950
#43131F
oklch(27% 0.075 8.4)
#AC1749 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) | #44464A | 0.205 |
| Deuteranopia (no green cones) | #6A6345 | 0.185 |
| Tritanopia (no blue cones) | #BC002F | 0.046 |
| Achromatopsia (no color) | #585858 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC1749
#AC1749
oklch(48.6% 0.181 9.1)
- #006E69
#006E69
oklch(48.5% 0.084 189.3)
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 #AC1749, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.013
- Rouge #AB1239 ΔE 0.022
- Violet Red #A50055 ΔE 0.035
- Rose Red #BE013C ΔE 0.040
- Cranberry #9E003A ΔE 0.040
- Berry #990F4B ΔE 0.044
- Purple Red #990147 ΔE 0.048
- Dark Fuchsia #9D0759 ΔE 0.050
Use #AC1749 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.