#353CB1#353CB1

#353CB1 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.0% C 0.182 H 273.2°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#353CB1
RGB	rgb(53, 60, 177)
HSL	hsl(237, 54%, 45%)
HSV	hsv(237, 70%, 69%)
CMYK	cmyk(70.1%, 66.1%, 0%, 30.6%)
CIE-LAB	lab(32.17, 36.15, -62.98)
CIE-LCH	lch(32.17, 72.62, 299.85°)
OKLab	oklab(43% 0.0101 -0.1819)
OKLCH	oklch(43% 0.182 273.2)
XYZ	xyz(11.0172, 7.1619, 42.3882)
Luminance	0.0716 (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

#353CB1 #B1AA35

analogous

#357AB1 #353CB1 #6C35B1

triadic

#353CB1 #B1353C #3CB135

tetradic

#353CB1 #B1357A #B1AA35 #35B16C

square

#353CB1 #B1357A #B1AA35 #35B16C

split-complementary

#353CB1 #B16C35 #7AB135

monochromatic

#191C53 #272C82 #353CB1 #575DCD #868BDB

Accessibility & contrast

On white

8.63

#353CB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#353CB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353CB1

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353CB1	#FFFFFF	#000000	##FFFFFF
##353CB1	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B5

Deuteranopia (green-blind)

#0046AF

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #353cb1;
/* rgb */ color: rgb(53, 60, 177);
/* oklch */ color: oklch(43.0% 0.182 273.2);

Tailwind

colors: {
  custom: {
    50: '#7d72c9',
    500: '#353cb1',
    950: '#000000',
  },
}

SCSS

$custom: #353cb1;
$custom-light: #7d72c9;
$custom-dark: #000000;

JSON

{
  "hex": "#353cb1",
  "rgb": {
    "r": 53,
    "g": 60,
    "b": 177
  },
  "hsl": {
    "h": 236.613,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43003,
    "c": 0.1822,
    "h": 273.2
  },
  "luminance": 0.07163
}

Semantic roles & 50–950 ramp

primary

#353CB1

secondary

#C4C07D

accent

#D54BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353CB1

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

Preview Lab → · Contrast checker → · Palette generator →