#AA291C
Closest named color: Rufous (#AE2012). oklch(48.7% 0.167 30), rgb(170, 41, 28).
Aa
White text reads best on this color (6.90:1).
About this color
#AA291C is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.167 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.012 away. White text reads best on it, at 6.90:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.167) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #AA291C |
| RGB | rgb(170, 41, 28) |
| HSL | hsl(5, 72%, 39%) |
| OKLCH | oklch(48.7% 0.167 30) |
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 #AA291C | 6.90:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #AA291C | 3.04:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #AA291C text on white | 6.90:1 | AA | Lc 82.5 | Fine for body text |
| #AA291C text on black | 3.04:1 | AA large text | Lc -19.4 | 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 700.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E4E1
oklch(93.5% 0.023 27.3)
-
Step 200
200
#F6CFC8
oklch(88.6% 0.045 29.9)
-
Step 300
300
#F0ADA2
oklch(80.8% 0.081 29.4)
-
Step 400
400
#E67F6F
oklch(70.7% 0.13 30)
-
Step 500
500
#DB5A49
oklch(63% 0.165 29.9)
-
Step 600
600
#C73A2B
oklch(55.6% 0.18 29.9)
-
Step 700
700 (this color)
#AA291C
oklch(48.7% 0.167 30)
-
Step 800
800
#8B261A
oklch(42.7% 0.138 30.3)
-
Step 900
900
#70251C
oklch(37.7% 0.108 29.8)
-
Step 950
950
#421711
oklch(27% 0.068 30.2)
#AA291C 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) | #514819 | 0.179 |
| Deuteranopia (no green cones) | #716415 | 0.162 |
| Tritanopia (no blue cones) | #BC0028 | 0.045 |
| Achromatopsia (no color) | #5A5A5A | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA291C
#AA291C
oklch(48.7% 0.167 30)
- #006C7A
#006C7A
oklch(48.7% 0.084 210.3)
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 #AA291C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.012
- Rust Red #AA2704 ΔE 0.013
- Brown #A52A2A ΔE 0.016
- Firebrick #B22222 ΔE 0.018
- Rusty Red #AF2F0D ΔE 0.019
- Brick #A03623 ΔE 0.024
- Burnt Red #9F2305 ΔE 0.029
- Russet #A13905 ΔE 0.035
Use #AA291C 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.