#355FC4#355FC4

#355FC4 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.3% C 0.165 H 264.3°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#355FC4
RGB	rgb(53, 95, 196)
HSL	hsl(222, 57%, 49%)
HSV	hsv(222, 73%, 77%)
CMYK	cmyk(73%, 51.5%, 0%, 23.1%)
CIE-LAB	lab(42.65, 20.49, -57.08)
CIE-LCH	lch(42.65, 60.65, 289.75°)
OKLab	oklab(51.28% -0.0163 -0.1642)
OKLCH	oklch(51.28% 0.165 264.3)
XYZ	xyz(15.5207, 12.9252, 53.8907)
Luminance	0.1293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FC4 #C49A35

analogous

#35A7C4 #355FC4 #5335C4

triadic

#355FC4 #C4355F #5FC435

tetradic

#355FC4 #C435A7 #C49A35 #35C453

square

#355FC4 #C435A7 #C49A35 #35C453

split-complementary

#355FC4 #C45335 #A7C435

monochromatic

#1B3064 #284894 #355FC4 #6283D4 #92A9E1

Accessibility & contrast

On white

5.86

#355FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#355FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FC4

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FC4	#FFFFFF	#000000	##FFFFFF
##355FC4	1.00	5.86	3.59	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E6CC8

Deuteranopia (green-blind)

#005EC2

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #355fc4;
/* rgb */ color: rgb(53, 95, 196);
/* oklch */ color: oklch(51.3% 0.165 264.3);

Tailwind

colors: {
  custom: {
    50: '#7f8bd7',
    500: '#355fc4',
    950: '#000000',
  },
}

SCSS

$custom: #355fc4;
$custom-light: #7f8bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#355fc4",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 196
  },
  "hsl": {
    "h": 222.378,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51282,
    "c": 0.16498,
    "h": 264.3
  },
  "luminance": 0.12927
}

Semantic roles & 50–950 ramp

primary

#355FC4

secondary

#CCB888

accent

#B447E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #355FC4

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

Preview Lab → · Contrast checker → · Palette generator →