#AA330B
Closest named color: Rusty Red (#AF2F0D). oklch(49.6% 0.162 36.4), rgb(170, 51, 11).
Aa
White text reads best on this color (6.58:1).
About this color
#AA330B is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.162 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.011 away. White text reads best on it, at 6.58:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.18:1 |
| White text | 6.58:1 |
Values
| HEX | #AA330B |
| RGB | rgb(170, 51, 11) |
| HSL | hsl(15, 88%, 35%) |
| OKLCH | oklch(49.6% 0.162 36.4) |
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 #AA330B | 6.58:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #AA330B | 3.18:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #AA330B text on white | 6.58:1 | AA | Lc 81.4 | Fine for body text |
| #AA330B text on black | 3.18:1 | AA large text | Lc -20.5 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F4D0C6
oklch(88.5% 0.043 36)
-
Step 300
300
#EEAF9E
oklch(80.8% 0.078 35.7)
-
Step 400
400
#E38368
oklch(70.8% 0.125 36.6)
-
Step 500
500
#D85F3E
oklch(63.1% 0.16 36.2)
-
Step 600
600
#C34118
oklch(55.6% 0.173 36.6)
-
Step 700
700 (this color)
#AA330B
oklch(49.6% 0.162 36.4)
-
Step 800
800
#892A0D
oklch(42.7% 0.135 36.2)
-
Step 900
900
#6E2814
oklch(37.7% 0.105 36.5)
-
Step 950
950
#41180D
oklch(27% 0.067 36)
#AA330B 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) | #574C01 | 0.166 |
| Deuteranopia (no green cones) | #746700 | 0.151 |
| Tritanopia (no blue cones) | #BC002D | 0.064 |
| Achromatopsia (no color) | #5D5D5D | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA330B
#AA330B
oklch(49.6% 0.162 36.4)
- #006E82
#006E82
oklch(49.6% 0.088 216.1)
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 #AA330B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.011
- Rust Red #AA2704 ΔE 0.017
- Russet #A13905 ΔE 0.020
- Brick #A03623 ΔE 0.024
- Rufous #AE2012 ΔE 0.027
- Firebrick #B22222 ΔE 0.034
- Brown #A52A2A ΔE 0.034
- Burnt Umber #A0450E ΔE 0.036
Use #AA330B 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.