#AC505B
Closest named color: Dark Rose (#B5485D). oklch(54.9% 0.121 14.5), rgb(172, 80, 91).
Aa
White text reads best on this color (5.18:1).
About this color
#AC505B is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.121 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.023 away. White text reads best on it, at 5.18:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #AC505B |
| RGB | rgb(172, 80, 91) |
| HSL | hsl(353, 37%, 49%) |
| OKLCH | oklch(54.9% 0.121 14.5) |
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 #AC505B | 5.18:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #AC505B | 4.05:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #AC505B text on white | 5.18:1 | AA | Lc 75.2 | Fine for body text |
| #AC505B text on black | 4.05:1 | AA large text | Lc -26.5 | 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 600.
-
Step 50
50
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F4E6E6
oklch(93.6% 0.015 17.4)
-
Step 200
200
#ECD2D3
oklch(88.6% 0.029 15.1)
-
Step 300
300
#E2B3B6
oklch(81% 0.055 14.1)
-
Step 400
400
#D18A90
oklch(70.7% 0.087 14)
-
Step 500
500
#C36C74
oklch(63.1% 0.111 14.9)
-
Step 600
600 (this color)
#AC505B
oklch(54.9% 0.121 14.5)
-
Step 700
700
#95424C
oklch(49% 0.112 14.7)
-
Step 800
800
#79373F
oklch(42.7% 0.092 14.3)
-
Step 900
900
#623035
oklch(37.7% 0.072 14.9)
-
Step 950
950
#3A1D1F
oklch(27.1% 0.045 16.1)
#AC505B 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) | #63615B | 0.132 |
| Deuteranopia (no green cones) | #7B7459 | 0.121 |
| Tritanopia (no blue cones) | #BA4454 | 0.032 |
| Achromatopsia (no color) | #6D6D6D | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC505B
#AC505B
oklch(54.9% 0.121 14.5)
- #008282
#008282
oklch(54.9% 0.094 194.8)
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 #AC505B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.023
- Light Maroon #A24857 ΔE 0.028
- Dusty Red #B9484E ΔE 0.029
- Light Burgundy #A8415B ΔE 0.035
- Dull Red #BB3F3F ΔE 0.046
- Deep Rose #C74767 ΔE 0.056
- Light Plum #9D5783 ΔE 0.064
- Dusky Rose #BA6873 ΔE 0.066
Use #AC505B 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.