#AA5547
Closest named color: Sienna (#A0522D). oklch(55% 0.115 30.8), rgb(170, 85, 71).
Aa
White text reads best on this color (5.12:1).
About this color
#AA5547 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.115 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.036 away. White text reads best on it, at 5.12:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.09:1 |
| White text | 5.12:1 |
Values
| HEX | #AA5547 |
| RGB | rgb(170, 85, 71) |
| HSL | hsl(8, 41%, 47%) |
| OKLCH | oklch(55% 0.115 30.8) |
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 #AA5547 | 5.12:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #AA5547 | 4.09:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #AA5547 text on white | 5.12:1 | AA | Lc 74.9 | Content text, not long reading |
| #AA5547 text on black | 4.09:1 | AA large text | Lc -26.8 | 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
#F4E6E4
oklch(93.5% 0.016 27.3)
-
Step 200
200
#ECD3CE
oklch(88.6% 0.029 31.1)
-
Step 300
300
#E0B5AD
oklch(80.9% 0.051 30.4)
-
Step 400
400
#CF8D81
oklch(70.6% 0.083 30.7)
-
Step 500
500
#C17062
oklch(63.1% 0.106 30.7)
-
Step 600
600 (this color)
#AA5547
oklch(55% 0.115 30.8)
-
Step 700
700
#93473A
oklch(49.1% 0.105 31.2)
-
Step 800
800
#783A30
oklch(42.7% 0.089 30.6)
-
Step 900
900
#61332B
oklch(37.8% 0.068 30.9)
-
Step 950
950
#391E19
oklch(27% 0.044 31.3)
#AA5547 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) | #6A6345 | 0.117 |
| Deuteranopia (no green cones) | #7F7545 | 0.109 |
| Tritanopia (no blue cones) | #B94752 | 0.045 |
| Achromatopsia (no color) | #6E6E6E | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA5547
#AA5547
oklch(55% 0.115 30.8)
- #008091
#008091
oklch(55% 0.095 210.9)
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 #AA5547, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.036
- Dusty Red #B9484E ΔE 0.040
- Earth #A2653E ΔE 0.046
- Light Maroon #A24857 ΔE 0.048
- Dull Red #BB3F3F ΔE 0.048
- Cinnamon #AC4F06 ΔE 0.050
- Dark Rose #B5485D ΔE 0.051
- Burnt Siena #B75203 ΔE 0.054
Use #AA5547 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.