#AA5555
Closest named color: Dusty Red (#B9484E). oklch(55.3% 0.112 21.3), rgb(170, 85, 85).
Aa
White text reads best on this color (5.07:1).
About this color
#AA5555 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.112 and its hue 21°. 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 5.07:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #AA5555 |
| RGB | rgb(170, 85, 85) |
| HSL | hsl(0, 33%, 50%) |
| OKLCH | oklch(55.3% 0.112 21.3) |
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 #AA5555 | 5.07:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #AA5555 | 4.13:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #AA5555 text on white | 5.07:1 | AA | Lc 74.6 | Content text, not long reading |
| #AA5555 text on black | 4.13:1 | 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
#E0B4B2
oklch(80.9% 0.051 21.3)
-
Step 400
400
#CE8D8B
oklch(70.8% 0.08 21.2)
-
Step 500
500
#C06F6E
oklch(63.1% 0.103 21.1)
-
Step 600
600 (this color)
#AA5555
oklch(55.3% 0.112 21.3)
-
Step 700
700
#934646
oklch(49.2% 0.104 21.6)
-
Step 800
800
#773A3A
oklch(42.7% 0.086 21.3)
-
Step 900
900
#603232
oklch(37.6% 0.067 20.7)
-
Step 950
950
#391E1D
oklch(27.1% 0.043 22.5)
#AA5555 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) | #686454 | 0.119 |
| Deuteranopia (no green cones) | #7D7553 | 0.110 |
| Tritanopia (no blue cones) | #B84956 | 0.034 |
| Achromatopsia (no color) | #6E6E6E | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA5555
#AA5555
oklch(55.3% 0.112 21.3)
- #008289
#008289
oklch(55.2% 0.094 201.4)
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 #AA5555, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.035
- Light Maroon #A24857 ΔE 0.037
- Dark Rose #B5485D ΔE 0.038
- Dull Red #BB3F3F ΔE 0.049
- Light Burgundy #A8415B ΔE 0.049
- Sienna #A0522D ΔE 0.053
- Earth #A2653E ΔE 0.059
- Clay #B66A50 ΔE 0.061
Use #AA5555 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.