#AC2045
Closest named color: Rouge (#AB1239). oklch(49% 0.174 12.2), rgb(172, 32, 69).
Aa
White text reads best on this color (6.89:1).
About this color
#AC2045 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.174 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.018 away. White text reads best on it, at 6.89:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 3.04:1 |
| White text | 6.89:1 |
Values
| HEX | #AC2045 |
| RGB | rgb(172, 32, 69) |
| HSL | hsl(344, 69%, 40%) |
| OKLCH | oklch(49% 0.174 12.2) |
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 #AC2045 | 6.89:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #AC2045 | 3.04:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #AC2045 text on white | 6.89:1 | AA | Lc 82.3 | Fine for body text |
| #AC2045 text on black | 3.04:1 | AA large text | Lc -19.6 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#FAE4E5
oklch(93.7% 0.024 14.4)
-
Step 200
200
#F6CDD1
oklch(88.4% 0.047 11.4)
-
Step 300
300
#F2AAB2
oklch(80.9% 0.085 11.8)
-
Step 400
400
#E77A8A
oklch(70.6% 0.135 11.9)
-
Step 500
500
#DD536D
oklch(63.2% 0.173 12.2)
-
Step 600
600
#C83055
oklch(55.6% 0.188 12.1)
-
Step 700
700 (this color)
#AC2045
oklch(49% 0.174 12.2)
-
Step 800
800
#8C1E39
oklch(42.7% 0.145 12.1)
-
Step 900
900
#712131
oklch(37.8% 0.112 12.5)
-
Step 950
950
#42151D
oklch(27% 0.07 12.3)
#AC2045 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) | #494845 | 0.195 |
| Deuteranopia (no green cones) | #6C6441 | 0.178 |
| Tritanopia (no blue cones) | #BD0030 | 0.041 |
| Achromatopsia (no color) | #5A5A5A | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC2045
#AC2045
oklch(49% 0.174 12.2)
- #006F6D
#006F6D
oklch(49% 0.084 192.6)
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 #AC2045, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.018
- Raspberry #B00149 ΔE 0.024
- Rose Red #BE013C ΔE 0.037
- Brown #A52A2A ΔE 0.043
- Cranberry #9E003A ΔE 0.044
- Firebrick #B22222 ΔE 0.046
- Lipstick Red #C0022F ΔE 0.046
- Violet Red #A50055 ΔE 0.046
Use #AC2045 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.