#353CB5#353CB5

#353CB5 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.4% C 0.187 H 273.0°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#353CB5
RGB	rgb(53, 60, 181)
HSL	hsl(237, 55%, 46%)
HSV	hsv(237, 71%, 71%)
CMYK	cmyk(70.7%, 66.9%, 0%, 29%)
CIE-LAB	lab(32.53, 37.54, -64.77)
CIE-LCH	lch(32.53, 74.86, 300.10°)
OKLab	oklab(43.38% 0.0098 -0.1871)
OKLCH	oklch(43.38% 0.187 273)
XYZ	xyz(11.4218, 7.3237, 44.5188)
Luminance	0.0732 (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

#353CB5 #B5AE35

analogous

#357CB5 #353CB5 #6E35B5

triadic

#353CB5 #B5353C #3CB535

tetradic

#353CB5 #B5357C #B5AE35 #35B56E

square

#353CB5 #B5357C #B5AE35 #35B56E

split-complementary

#353CB5 #B56E35 #7CB535

monochromatic

#191D56 #272C86 #353CB5 #595FCE #888DDC

Accessibility & contrast

On white

8.52

#353CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#353CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353CB5

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353CB5	#FFFFFF	#000000	##FFFFFF
##353CB5	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0047B3

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #353cb5;
/* rgb */ color: rgb(53, 60, 181);
/* oklch */ color: oklch(43.4% 0.187 273.0);

Tailwind

colors: {
  custom: {
    50: '#7e72cc',
    500: '#353cb5',
    950: '#000000',
  },
}

SCSS

$custom: #353cb5;
$custom-light: #7e72cc;
$custom-dark: #000000;

JSON

{
  "hex": "#353cb5",
  "rgb": {
    "r": 53,
    "g": 60,
    "b": 181
  },
  "hsl": {
    "h": 236.719,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43375,
    "c": 0.1874,
    "h": 273
  },
  "luminance": 0.07325
}

Semantic roles & 50–950 ramp

primary

#353CB5

secondary

#C6C280

accent

#D64ADE

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #353CB5

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

Preview Lab → · Contrast checker → · Palette generator →