#AA5557
Closest named color: Dusty Red (#B9484E). oklch(55.3% 0.112 19.9), rgb(170, 85, 87).
Aa
White text reads best on this color (5.06:1).
About this color
#AA5557 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.112 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.035 away. White text reads best on it, at 5.06:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #AA5557 |
| RGB | rgb(170, 85, 87) |
| HSL | hsl(359, 33%, 50%) |
| OKLCH | oklch(55.3% 0.112 19.9) |
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 #AA5557 | 5.06:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #AA5557 | 4.14:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #AA5557 text on white | 5.06:1 | AA | Lc 74.6 | Content text, not long reading |
| #AA5557 text on black | 4.14:1 | AA large text | Lc -27.1 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E6
oklch(93.6% 0.015 17.4)
-
Step 200
200
#EBD2D1
oklch(88.4% 0.028 20.4)
-
Step 300
300
#DFB4B3
oklch(80.8% 0.05 19.8)
-
Step 400
400
#CE8D8C
oklch(70.8% 0.08 20.2)
-
Step 500
500
#C06F70
oklch(63.2% 0.103 19.6)
-
Step 600
600 (this color)
#AA5557
oklch(55.3% 0.112 19.9)
-
Step 700
700
#924648
oklch(49.1% 0.103 19.9)
-
Step 800
800
#773A3B
oklch(42.8% 0.085 20.3)
-
Step 900
900
#603233
oklch(37.7% 0.067 19.3)
-
Step 950
950
#391E1E
oklch(27.2% 0.042 20.2)
#AA5557 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) | #686457 | 0.119 |
| Deuteranopia (no green cones) | #7D7555 | 0.110 |
| Tritanopia (no blue cones) | #B84956 | 0.033 |
| Achromatopsia (no color) | #6E6E6E | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA5557
#AA5557
oklch(55.3% 0.112 19.9)
- #008388
#008388
oklch(55.4% 0.094 199.5)
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 #AA5557, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.035
- Dark Rose #B5485D ΔE 0.036
- Light Maroon #A24857 ΔE 0.036
- Light Burgundy #A8415B ΔE 0.048
- Dull Red #BB3F3F ΔE 0.050
- Sienna #A0522D ΔE 0.056
- Earth #A2653E ΔE 0.061
- Dusky Rose #BA6873 ΔE 0.062
Use #AA5557 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.