#AA5840
Closest named color: Sienna (#A0522D). oklch(55.4% 0.114 37.1), rgb(170, 88, 64).
Aa
White text reads best on this color (5.02:1).
About this color
#AA5840 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.114 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.031 away. White text reads best on it, at 5.02:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.17:1 |
| White text | 5.02:1 |
Values
| HEX | #AA5840 |
| RGB | rgb(170, 88, 64) |
| HSL | hsl(14, 45%, 46%) |
| OKLCH | oklch(55.4% 0.114 37.1) |
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 #AA5840 | 5.02:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #AA5840 | 4.17:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #AA5840 text on white | 5.02:1 | AA | Lc 74.3 | Content text, not long reading |
| #AA5840 text on black | 4.17:1 | AA large text | Lc -27.4 | 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
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EBD3CC
oklch(88.5% 0.029 36.9)
-
Step 300
300
#DFB6AA
oklch(80.9% 0.051 36.9)
-
Step 400
400
#CE8F7C
oklch(70.8% 0.082 37.5)
-
Step 500
500
#C0725B
oklch(63.2% 0.105 37.2)
-
Step 600
600 (this color)
#AA5840
oklch(55.4% 0.114 37.1)
-
Step 700
700
#924833
oklch(49% 0.105 36.7)
-
Step 800
800
#773C2A
oklch(42.7% 0.088 37.7)
-
Step 900
900
#603427
oklch(37.7% 0.067 37.3)
-
Step 950
950
#391F17
oklch(27.2% 0.043 37.9)
#AA5840 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) | #6D643E | 0.111 |
| Deuteranopia (no green cones) | #81763F | 0.102 |
| Tritanopia (no blue cones) | #B94952 | 0.052 |
| Achromatopsia (no color) | #6F6F6F | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA5840
#AA5840
oklch(55.4% 0.114 37.1)
- #008098
#008098
oklch(55.3% 0.099 217)
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 #AA5840, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.031
- Earth #A2653E ΔE 0.035
- Cinnamon #AC4F06 ΔE 0.042
- Burnt Siena #B75203 ΔE 0.045
- Sepia #985E2B ΔE 0.046
- Copper #B66325 ΔE 0.049
- Raw Umber #A75E09 ΔE 0.050
- Dusty Red #B9484E ΔE 0.050
Use #AA5840 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.