#AC7378
Closest named color: Mauve (#AE7181). oklch(61.6% 0.072 13.6), rgb(172, 115, 120).
Aa
Black text reads best on this color (5.47:1).
About this color
#AC7378 is a medium-dark, moderately saturated red. In OKLCH its lightness is 62%, its chroma 0.072 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.016 away. Black text reads best on it, at 5.47:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #AC7378 |
| RGB | rgb(172, 115, 120) |
| HSL | hsl(355, 26%, 56%) |
| OKLCH | oklch(61.6% 0.072 13.6) |
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 #AC7378 | 3.83:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #AC7378 | 5.47:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #AC7378 text on white | 3.83:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #AC7378 text on black | 5.47:1 | AA | Lc -35.9 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E8
oklch(93.6% 0.011 10.3)
-
Step 200
200
#E6D4D5
oklch(88.5% 0.02 13.7)
-
Step 300
300
#D7B8BA
oklch(81% 0.036 13.5)
-
Step 400
400
#C19396
oklch(70.8% 0.056 14.2)
-
Step 500
500 (this color)
#AC7378
oklch(61.6% 0.072 13.6)
-
Step 600
600
#9C6066
oklch(55.7% 0.079 13.4)
-
Step 700
700
#854F54
oklch(49.1% 0.073 14.1)
-
Step 800
800
#6C4145
oklch(42.7% 0.06 13.9)
-
Step 900
900
#58373A
oklch(37.7% 0.047 13.6)
-
Step 950
950
#342022
oklch(27% 0.031 12.8)
#AC7378 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) | #7D7C78 | 0.078 |
| Deuteranopia (no green cones) | #8B8677 | 0.071 |
| Tritanopia (no blue cones) | #B76E75 | 0.021 |
| Achromatopsia (no color) | #828282 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC7378
#AC7378
oklch(61.6% 0.072 13.6)
- #4B9391
#4B9391
oklch(61.6% 0.072 193.1)
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 #AC7378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.016
- Pinkish Brown #B17261 ΔE 0.032
- Dusky Rose #BA6873 ΔE 0.033
- Dusty Rose #C0737A ΔE 0.035
- Reddish Grey #997570 ΔE 0.036
- English Lavender #9D8189 ΔE 0.042
- Brownish Pink #C27E79 ΔE 0.050
- Clay #B66A50 ΔE 0.052
Use #AC7378 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.