#AA3D36
Closest named color: Brick (#A03623). oklch(51.2% 0.145 27.1), rgb(170, 61, 54).
Aa
White text reads best on this color (6.12:1).
About this color
#AA3D36 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.145 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.031 away. White text reads best on it, at 6.12:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.42:1 |
| White text | 6.12:1 |
Values
| HEX | #AA3D36 |
| RGB | rgb(170, 61, 54) |
| HSL | hsl(4, 52%, 44%) |
| OKLCH | oklch(51.2% 0.145 27.1) |
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 #AA3D36 | 6.12:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #AA3D36 | 3.42:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #AA3D36 text on white | 6.12:1 | AA | Lc 79.7 | Fine for body text |
| #AA3D36 text on black | 3.42:1 | AA large text | Lc -22.1 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F2D0CB
oklch(88.5% 0.039 27.8)
-
Step 300
300
#EBB0A8
oklch(81% 0.07 27.5)
-
Step 400
400
#DE847A
oklch(70.7% 0.113 27)
-
Step 500
500
#D26258
oklch(63.1% 0.144 27.1)
-
Step 600
600
#BD463E
oklch(55.6% 0.155 27.1)
-
Step 700
700 (this color)
#AA3D36
oklch(51.2% 0.145 27.1)
-
Step 800
800
#842E28
oklch(42.6% 0.12 27.3)
-
Step 900
900
#6B2A25
oklch(37.7% 0.094 26.9)
-
Step 950
950
#3F1A16
oklch(27.1% 0.059 27.9)
#AA3D36 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) | #5A5335 | 0.153 |
| Deuteranopia (no green cones) | #756B33 | 0.142 |
| Tritanopia (no blue cones) | #BB243C | 0.047 |
| Achromatopsia (no color) | #626262 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA3D36
#AA3D36
oklch(51.2% 0.145 27.1)
- #007480
#007480
oklch(51.1% 0.088 207.3)
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 #AA3D36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.031
- Rusty Red #AF2F0D ΔE 0.034
- Brown #A52A2A ΔE 0.035
- Dull Red #BB3F3F ΔE 0.036
- Firebrick #B22222 ΔE 0.038
- Russet #A13905 ΔE 0.043
- Rust Red #AA2704 ΔE 0.043
- Light Maroon #A24857 ΔE 0.044
Use #AA3D36 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.