#353AA9#353AA9

#353AA9 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.9% C 0.174 H 274.0°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#353AA9
RGB	rgb(53, 58, 169)
HSL	hsl(237, 52%, 44%)
HSV	hsv(237, 69%, 66%)
CMYK	cmyk(68.6%, 65.7%, 0%, 33.7%)
CIE-LAB	lab(30.99, 34.60, -60.14)
CIE-LCH	lch(30.99, 69.38, 299.92°)
OKLab	oklab(41.92% 0.0122 -0.1736)
OKLCH	oklch(41.92% 0.174 274)
XYZ	xyz(10.1403, 6.6466, 38.2770)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353AA9 #A9A435

analogous

#3574A9 #353AA9 #6A35A9

triadic

#353AA9 #A9353A #3AA935

tetradic

#353AA9 #A93574 #A9A435 #35A96A

square

#353AA9 #A93574 #A9A435 #35A96A

split-complementary

#353AA9 #A96A35 #74A935

monochromatic

#181A4C #262A7A #353AA9 #5257C9 #8185D7

Accessibility & contrast

On white

9.01

#353AA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#353AA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353AA9

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353AA9	#FFFFFF	#000000	##FFFFFF
##353AA9	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAD

Deuteranopia (green-blind)

#0044A7

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #353aa9;
/* rgb */ color: rgb(53, 58, 169);
/* oklch */ color: oklch(41.9% 0.174 274.0);

Tailwind

colors: {
  custom: {
    50: '#7c70c4',
    500: '#353aa9',
    950: '#000000',
  },
}

SCSS

$custom: #353aa9;
$custom-light: #7c70c4;
$custom-dark: #000000;

JSON

{
  "hex": "#353aa9",
  "rgb": {
    "r": 53,
    "g": 58,
    "b": 169
  },
  "hsl": {
    "h": 237.414,
    "s": 52.252,
    "l": 43.529
  },
  "oklch": {
    "l": 0.41921,
    "c": 0.17404,
    "h": 274
  },
  "luminance": 0.06648
}

Semantic roles & 50–950 ramp

primary

#353AA9

secondary

#C1BE79

accent

#D54CDC

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #353AA9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →