#AA5237
Closest named color: Sienna (#A0522D). oklch(54.2% 0.123 37.7), rgb(170, 82, 55).
Aa
White text reads best on this color (5.28:1).
About this color
#AA5237 is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.123 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.023 away. White text reads best on it, at 5.28:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #AA5237 |
| RGB | rgb(170, 82, 55) |
| HSL | hsl(14, 51%, 44%) |
| OKLCH | oklch(54.2% 0.123 37.7) |
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 #AA5237 | 5.28:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #AA5237 | 3.97:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #AA5237 text on white | 5.28:1 | AA | Lc 75.8 | Fine for body text |
| #AA5237 text on black | 3.97:1 | AA large text | Lc -25.9 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E6E2
oklch(93.5% 0.016 36.5)
-
Step 200
200
#ECD3CB
oklch(88.5% 0.03 38.6)
-
Step 300
300
#E1B5A7
oklch(80.9% 0.055 38.4)
-
Step 400
400
#D18D79
oklch(70.7% 0.088 37.1)
-
Step 500
500
#C36F56
oklch(63% 0.113 37.4)
-
Step 600
600 (this color)
#AA5237
oklch(54.2% 0.123 37.7)
-
Step 700
700
#96462D
oklch(49.2% 0.114 37.9)
-
Step 800
800
#7A3A26
oklch(42.8% 0.095 38)
-
Step 900
900
#623224
oklch(37.6% 0.073 37.1)
-
Step 950
950
#3A1E15
oklch(27.1% 0.047 38.6)
#AA5237 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) | #696034 | 0.120 |
| Deuteranopia (no green cones) | #7F7335 | 0.110 |
| Tritanopia (no blue cones) | #BA414C | 0.057 |
| Achromatopsia (no color) | #6C6C6C | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA5237
#AA5237
oklch(54.2% 0.123 37.7)
- #007C95
#007C95
oklch(54.1% 0.098 218.5)
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 #AA5237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.023
- Cinnamon #AC4F06 ΔE 0.033
- Burnt Siena #B75203 ΔE 0.040
- Earth #A2653E ΔE 0.045
- Burnt Umber #A0450E ΔE 0.045
- Sepia #985E2B ΔE 0.047
- Sinopia #BB3E03 ΔE 0.048
- Brick Orange #C14A09 ΔE 0.049
Use #AA5237 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.