#AA3D3A
Closest named color: Brick (#A03623). oklch(51.3% 0.144 25.1), rgb(170, 61, 58).
Aa
White text reads best on this color (6.10:1).
About this color
#AA3D3A is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.144 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.034 away. White text reads best on it, at 6.10:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.43:1 |
| White text | 6.10:1 |
Values
| HEX | #AA3D3A |
| RGB | rgb(170, 61, 58) |
| HSL | hsl(2, 49%, 45%) |
| OKLCH | oklch(51.3% 0.144 25.1) |
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 #AA3D3A | 6.10:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #AA3D3A | 3.43:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #AA3D3A text on white | 6.10:1 | AA | Lc 79.7 | Fine for body text |
| #AA3D3A text on black | 3.43:1 | AA large text | Lc -22.2 | 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
#F2D0CC
oklch(88.5% 0.039 25.8)
-
Step 300
300
#EAB0AA
oklch(80.9% 0.069 25.4)
-
Step 400
400
#DE847D
oklch(70.7% 0.112 25)
-
Step 500
500
#D2625C
oklch(63.1% 0.143 25.1)
-
Step 600
600
#BD4642
oklch(55.7% 0.154 25.4)
-
Step 700
700 (this color)
#AA3D3A
oklch(51.3% 0.144 25.1)
-
Step 800
800
#842E2B
oklch(42.7% 0.119 25.5)
-
Step 900
900
#6A2A27
oklch(37.6% 0.093 25.2)
-
Step 950
950
#3F1917
oklch(27% 0.06 24.9)
#AA3D3A 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) | #5A5339 | 0.153 |
| Deuteranopia (no green cones) | #756B37 | 0.142 |
| Tritanopia (no blue cones) | #BA253D | 0.044 |
| Achromatopsia (no color) | #626262 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA3D3A
#AA3D3A
oklch(51.3% 0.144 25.1)
- #00757F
#00757F
oklch(51.3% 0.088 205.2)
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 #AA3D3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.034
- Dull Red #BB3F3F ΔE 0.035
- Brown #A52A2A ΔE 0.036
- Rusty Red #AF2F0D ΔE 0.038
- Firebrick #B22222 ΔE 0.039
- Light Maroon #A24857 ΔE 0.040
- Dusty Red #B9484E ΔE 0.044
- Light Burgundy #A8415B ΔE 0.044
Use #AA3D3A 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.