#AA2300
Closest named color: Rust Red (#AA2704). oklch(48% 0.175 33.5), rgb(170, 35, 0).
Aa
White text reads best on this color (7.11:1).
About this color
#AA2300 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.175 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Red (#AA2704), ΔE 0.005 away. White text reads best on it, at 7.11:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Rust Red (#AA2704) |
| Black text | 2.94:1 |
| White text | 7.11:1 |
Values
| HEX | #AA2300 |
| RGB | rgb(170, 35, 0) |
| HSL | hsl(12, 100%, 33%) |
| OKLCH | oklch(48% 0.175 33.5) |
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 #AA2300 | 7.11:1 | AAA | Lc -88.1 | Fine for body text |
| Black text on #AA2300 | 2.94:1 | Fails | Lc 21.0 | Dividers and decoration only |
| #AA2300 text on white | 7.11:1 | AAA | Lc 83.1 | Fine for body text |
| #AA2300 text on black | 2.94:1 | Fails | Lc -18.9 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4DF
oklch(93.5% 0.025 32.9)
-
Step 200
200
#F7CFC5
oklch(88.6% 0.047 34.3)
-
Step 300
300
#F2AD9D
oklch(80.9% 0.085 33.5)
-
Step 400
400
#E87E67
oklch(70.6% 0.136 33.3)
-
Step 500
500
#DE583C
oklch(63.1% 0.174 33.5)
-
Step 600
600
#C93717
oklch(55.5% 0.188 33.5)
-
Step 700
700 (this color)
#AA2300
oklch(48% 0.175 33.5)
-
Step 800
800
#8D230C
oklch(42.7% 0.145 33.4)
-
Step 900
900
#712414
oklch(37.7% 0.112 33.5)
-
Step 950
950
#43160D
oklch(27% 0.072 33.1)
#AA2300 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) | #4F4500 | 0.185 |
| Deuteranopia (no green cones) | #706300 | 0.165 |
| Tritanopia (no blue cones) | #BC001F | 0.046 |
| Achromatopsia (no color) | #585858 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA2300
#AA2300
oklch(48% 0.175 33.5)
- #006A7A
#006A7A
oklch(48.2% 0.084 212.7)
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 #AA2300, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Red #AA2704 ΔE 0.005
- Rufous #AE2012 ΔE 0.013
- Rusty Red #AF2F0D ΔE 0.021
- Burnt Red #9F2305 ΔE 0.023
- Firebrick #B22222 ΔE 0.027
- Brown #A52A2A ΔE 0.028
- Brick #A03623 ΔE 0.031
- Russet #A13905 ΔE 0.034
Use #AA2300 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.