#353DB1#353DB1

#353DB1 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.2% C 0.181 H 273.0°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#353DB1
RGB	rgb(53, 61, 177)
HSL	hsl(236, 54%, 45%)
HSV	hsv(236, 70%, 69%)
CMYK	cmyk(70.1%, 65.5%, 0%, 30.6%)
CIE-LAB	lab(32.41, 35.52, -62.59)
CIE-LCH	lch(32.41, 71.97, 299.57°)
OKLab	oklab(43.18% 0.0094 -0.1808)
OKLCH	oklch(43.18% 0.181 273)
XYZ	xyz(11.0701, 7.2676, 42.4058)
Luminance	0.0727 (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

#353DB1 #B1A935

analogous

#357BB1 #353DB1 #6B35B1

triadic

#353DB1 #B1353D #3DB135

tetradic

#353DB1 #B1357B #B1A935 #35B16B

square

#353DB1 #B1357B #B1A935 #35B16B

split-complementary

#353DB1 #B16B35 #7BB135

monochromatic

#191D53 #272D82 #353DB1 #575ECD #868BDB

Accessibility & contrast

On white

8.56

#353DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#353DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353DB1

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353DB1	#FFFFFF	#000000	##FFFFFF
##353DB1	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B5

Deuteranopia (green-blind)

#0047AF

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #353db1;
/* rgb */ color: rgb(53, 61, 177);
/* oklch */ color: oklch(43.2% 0.181 273.0);

Tailwind

colors: {
  custom: {
    50: '#7d73c9',
    500: '#353db1',
    950: '#000000',
  },
}

SCSS

$custom: #353db1;
$custom-light: #7d73c9;
$custom-dark: #000000;

JSON

{
  "hex": "#353db1",
  "rgb": {
    "r": 53,
    "g": 61,
    "b": 177
  },
  "hsl": {
    "h": 236.129,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43175,
    "c": 0.18103,
    "h": 273
  },
  "luminance": 0.07269
}

Semantic roles & 50–950 ramp

primary

#353DB1

secondary

#C4C07D

accent

#D44BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353DB1

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

Preview Lab → · Contrast checker → · Palette generator →