#353DB9#353DB9

#353DB9 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.191 H 272.6°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#353DB9
RGB	rgb(53, 61, 185)
HSL	hsl(236, 55%, 47%)
HSV	hsv(236, 71%, 73%)
CMYK	cmyk(71.4%, 67%, 0%, 27.5%)
CIE-LAB	lab(33.13, 38.32, -66.16)
CIE-LCH	lch(33.13, 76.45, 300.08°)
OKLab	oklab(43.92% 0.0087 -0.1912)
OKLCH	oklch(43.92% 0.191 272.6)
XYZ	xyz(11.8910, 7.5960, 46.7290)
Luminance	0.0760 (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

#353DB9 #B9B135

analogous

#357FB9 #353DB9 #6F35B9

triadic

#353DB9 #B9353D #3DB935

tetradic

#353DB9 #B9357F #B9B135 #35B96F

square

#353DB9 #B9357F #B9B135 #35B96F

split-complementary

#353DB9 #B96F35 #7FB935

monochromatic

#1A1E5A #272D89 #353DB9 #5B62D0 #8B90DE

Accessibility & contrast

On white

8.34

#353DB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#353DB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353DB9

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353DB9	#FFFFFF	#000000	##FFFFFF
##353DB9	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BD

Deuteranopia (green-blind)

#0048B7

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #353db9;
/* rgb */ color: rgb(53, 61, 185);
/* oklch */ color: oklch(43.9% 0.191 272.6);

Tailwind

colors: {
  custom: {
    50: '#7f73cf',
    500: '#353db9',
    950: '#000000',
  },
}

SCSS

$custom: #353db9;
$custom-light: #7f73cf;
$custom-dark: #000000;

JSON

{
  "hex": "#353db9",
  "rgb": {
    "r": 53,
    "g": 61,
    "b": 185
  },
  "hsl": {
    "h": 236.364,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43918,
    "c": 0.19142,
    "h": 272.6
  },
  "luminance": 0.07597
}

Semantic roles & 50–950 ramp

primary

#353DB9

secondary

#C8C482

accent

#D649DF

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #353DB9

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

Preview Lab → · Contrast checker → · Palette generator →