#AA2E02
Closest named color: Rust Red (#AA2704). oklch(49.1% 0.167 36), rgb(170, 46, 2).
Aa
White text reads best on this color (6.77:1).
About this color
#AA2E02 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.167 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Red (#AA2704), ΔE 0.010 away. White text reads best on it, at 6.77:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.167) |
| Temperature | warm |
| Nearest name | Rust Red (#AA2704) |
| Black text | 3.10:1 |
| White text | 6.77:1 |
Values
| HEX | #AA2E02 |
| RGB | rgb(170, 46, 2) |
| HSL | hsl(16, 98%, 34%) |
| OKLCH | oklch(49.1% 0.167 36) |
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 #AA2E02 | 6.77:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #AA2E02 | 3.10:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #AA2E02 text on white | 6.77:1 | AA | Lc 82.0 | Fine for body text |
| #AA2E02 text on black | 3.10:1 | AA large text | Lc -19.9 | 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 700.
-
Step 50
50
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F5CFC5
oklch(88.4% 0.045 35.1)
-
Step 300
300
#EFAF9D
oklch(80.9% 0.08 36.3)
-
Step 400
400
#E58166
oklch(70.7% 0.13 36)
-
Step 500
500
#DA5D3B
oklch(63.1% 0.165 36.1)
-
Step 600
600
#C53E14
oklch(55.5% 0.178 36.1)
-
Step 700
700 (this color)
#AA2E02
oklch(49.1% 0.167 36)
-
Step 800
800
#8A280A
oklch(42.6% 0.138 35.9)
-
Step 900
900
#6F2713
oklch(37.7% 0.107 36.1)
-
Step 950
950
#41180D
oklch(27% 0.067 36)
#AA2E02 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) | #554A00 | 0.171 |
| Deuteranopia (no green cones) | #736500 | 0.153 |
| Tritanopia (no blue cones) | #BC0028 | 0.058 |
| Achromatopsia (no color) | #5B5B5B | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA2E02
#AA2E02
oklch(49.1% 0.167 36)
- #006C80
#006C80
oklch(49% 0.087 216.4)
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 #AA2E02, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Red #AA2704 ΔE 0.010
- Rusty Red #AF2F0D ΔE 0.012
- Rufous #AE2012 ΔE 0.022
- Russet #A13905 ΔE 0.023
- Brick #A03623 ΔE 0.025
- Firebrick #B22222 ΔE 0.031
- Burnt Red #9F2305 ΔE 0.032
- Brown #A52A2A ΔE 0.032
Use #AA2E02 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.