#A3404A
Closest named color: Light Maroon (#A24857). oklch(50.9% 0.131 17), rgb(163, 64, 74).
Aa
White text reads best on this color (6.19:1).
About this color
#A3404A is a medium-dark, moderately saturated red. In OKLCH its lightness is 51%, its chroma 0.131 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Light Maroon (#A24857), ΔE 0.021 away. White text reads best on it, at 6.19:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Light Maroon (#A24857) |
| Black text | 3.38:1 |
| White text | 6.19:1 |
Values
| HEX | #A3404A |
| RGB | rgb(163, 64, 74) |
| HSL | hsl(354, 44%, 45%) |
| OKLCH | oklch(50.9% 0.131 17) |
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 #A3404A | 6.19:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #A3404A | 3.38:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #A3404A text on white | 6.19:1 | AA | Lc 80.2 | Fine for body text |
| #A3404A text on black | 3.38:1 | AA large text | Lc -21.6 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E5
oklch(93.5% 0.019 17.5)
-
Step 200
200
#F0D0D1
oklch(88.5% 0.036 15.7)
-
Step 300
300
#E7B1B2
oklch(81% 0.063 17.3)
-
Step 400
400
#D8868A
oklch(70.7% 0.101 16.8)
-
Step 500
500
#CC656D
oklch(63.1% 0.131 16.7)
-
Step 600
600
#B74A55
oklch(55.6% 0.141 16.9)
-
Step 700
700 (this color)
#A3404A
oklch(50.9% 0.131 17)
-
Step 800
800
#803139
oklch(42.7% 0.109 16.9)
-
Step 900
900
#672C31
oklch(37.7% 0.085 16.9)
-
Step 950
950
#3D1A1D
oklch(27% 0.055 16.1)
#A3404A 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) | #57544A | 0.143 |
| Deuteranopia (no green cones) | #706948 | 0.133 |
| Tritanopia (no blue cones) | #B23044 | 0.035 |
| Achromatopsia (no color) | #616161 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3404A
#A3404A
oklch(50.9% 0.131 17)
- #007577
#007577
oklch(51% 0.087 196.9)
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 #A3404A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Maroon #A24857 ΔE 0.021
- Light Burgundy #A8415B ΔE 0.027
- Brown #A52A2A ΔE 0.046
- Brick #A03623 ΔE 0.046
- Dark Rose #B5485D ΔE 0.047
- Dull Red #BB3F3F ΔE 0.049
- Dusty Red #B9484E ΔE 0.049
- Firebrick #B22222 ΔE 0.057
Use #A3404A 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.