#AA1A0D
Closest named color: Rufous (#AE2012). oklch(47.5% 0.179 30.1), rgb(170, 26, 13).
Aa
White text reads best on this color (7.33:1).
About this color
#AA1A0D is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.179 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 7.33:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #AA1A0D |
| RGB | rgb(170, 26, 13) |
| HSL | hsl(5, 86%, 36%) |
| OKLCH | oklch(47.5% 0.179 30.1) |
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 #AA1A0D | 7.33:1 | AAA | Lc -88.6 | Fine for body text |
| Black text on #AA1A0D | 2.86:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #AA1A0D text on white | 7.33:1 | AAA | Lc 83.6 | Fine for body text |
| #AA1A0D text on black | 2.86:1 | Fails | Lc -18.3 | 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
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F8CEC7
oklch(88.6% 0.049 29.1)
-
Step 300
300
#F4AC9F
oklch(81% 0.087 30.5)
-
Step 400
400
#EA7C6B
oklch(70.6% 0.139 30.1)
-
Step 500
500
#E05543
oklch(63.1% 0.177 30.1)
-
Step 600
600
#CC3222
oklch(55.7% 0.193 30.1)
-
Step 700
700 (this color)
#AA1A0D
oklch(47.5% 0.179 30.1)
-
Step 800
800
#8F2014
oklch(42.8% 0.149 30.3)
-
Step 900
900
#732218
oklch(37.8% 0.116 30.3)
-
Step 950
950
#44150F
oklch(27.1% 0.074 29.9)
#AA1A0D 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) | #4B4207 | 0.195 |
| Deuteranopia (no green cones) | #6E6100 | 0.174 |
| Tritanopia (no blue cones) | #BC001A | 0.038 |
| Achromatopsia (no color) | #565656 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA1A0D
#AA1A0D
oklch(47.5% 0.179 30.1)
- #006876
#006876
oklch(47.4% 0.082 210.8)
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 #AA1A0D, 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 0.017
- Burnt Red #9F2305 ΔE 0.024
- Firebrick #B22222 ΔE 0.024
- Brown #A52A2A ΔE 0.025
- Rusty Red #AF2F0D ΔE 0.031
- Auburn #9B2226 ΔE 0.034
- Brick #A03623 ΔE 0.037
Use #AA1A0D 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.