#AA4431
Closest named color: Sienna (#A0522D). oklch(52.1% 0.138 32.5), rgb(170, 68, 49).
Aa
White text reads best on this color (5.86:1).
About this color
#AA4431 is a medium-dark, moderately saturated red. In OKLCH its lightness is 52%, its chroma 0.138 and its hue 32°. 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 5.86:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.58:1 |
| White text | 5.86:1 |
Values
| HEX | #AA4431 |
| RGB | rgb(170, 68, 49) |
| HSL | hsl(9, 55%, 43%) |
| OKLCH | oklch(52.1% 0.138 32.5) |
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 #AA4431 | 5.86:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #AA4431 | 3.58:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #AA4431 text on white | 5.86:1 | AA | Lc 78.6 | Fine for body text |
| #AA4431 text on black | 3.58:1 | AA large text | Lc -23.2 | 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 700.
-
Step 50
50
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F7E6E2
oklch(93.7% 0.019 33.4)
-
Step 200
200
#F1D1CA
oklch(88.6% 0.037 32.4)
-
Step 300
300
#E9B1A5
oklch(80.9% 0.068 32.3)
-
Step 400
400
#DB8775
oklch(70.7% 0.107 32.9)
-
Step 500
500
#CF6652
oklch(63.1% 0.137 32.2)
-
Step 600
600
#BA4B36
oklch(55.6% 0.148 32.6)
-
Step 700
700 (this color)
#AA4431
oklch(52.1% 0.138 32.5)
-
Step 800
800
#823223
oklch(42.8% 0.114 32.6)
-
Step 900
900
#692D21
oklch(37.8% 0.089 32.9)
-
Step 950
950
#3E1B14
oklch(27.1% 0.057 32.6)
#AA4431 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) | #60572F | 0.141 |
| Deuteranopia (no green cones) | #796D2E | 0.130 |
| Tritanopia (no blue cones) | #BB2E40 | 0.053 |
| Achromatopsia (no color) | #656565 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA4431
#AA4431
oklch(52.1% 0.138 32.5)
- #007688
#007688
oklch(52% 0.091 213)
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 #AA4431, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.036
- Burnt Umber #A0450E ΔE 0.036
- Brick #A03623 ΔE 0.037
- Rusty Red #AF2F0D ΔE 0.037
- Dull Red #BB3F3F ΔE 0.039
- Russet #A13905 ΔE 0.040
- Sinopia #BB3E03 ΔE 0.040
- Cinnamon #AC4F06 ΔE 0.044
Use #AA4431 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.