#355FC3#355FC3

#355FC3 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.2% C 0.164 H 264.3°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#355FC3
RGB	rgb(53, 95, 195)
HSL	hsl(222, 57%, 49%)
HSV	hsv(222, 73%, 76%)
CMYK	cmyk(72.8%, 51.3%, 0%, 23.5%)
CIE-LAB	lab(42.58, 20.12, -56.61)
CIE-LCH	lch(42.58, 60.08, 289.56°)
OKLab	oklab(51.21% -0.0164 -0.1628)
OKLCH	oklch(51.21% 0.164 264.3)
XYZ	xyz(15.4073, 12.8798, 53.2932)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FC3 #C39935

analogous

#35A6C3 #355FC3 #5235C3

triadic

#355FC3 #C3355F #5FC335

tetradic

#355FC3 #C335A6 #C39935 #35C352

square

#355FC3 #C335A6 #C39935 #35C352

split-complementary

#355FC3 #C35235 #A6C335

monochromatic

#1B3063 #284893 #355FC3 #6183D4 #91A9E1

Accessibility & contrast

On white

5.87

#355FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#355FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FC3

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FC3	#FFFFFF	#000000	##FFFFFF
##355FC3	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#206BC7

Deuteranopia (green-blind)

#005EC1

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #355fc3;
/* rgb */ color: rgb(53, 95, 195);
/* oklch */ color: oklch(51.2% 0.164 264.3);

Tailwind

colors: {
  custom: {
    50: '#7f8bd6',
    500: '#355fc3',
    950: '#000000',
  },
}

SCSS

$custom: #355fc3;
$custom-light: #7f8bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#355fc3",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 195
  },
  "hsl": {
    "h": 222.254,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.51208,
    "c": 0.16361,
    "h": 264.3
  },
  "luminance": 0.12881
}

Semantic roles & 50–950 ramp

primary

#355FC3

secondary

#CCB888

accent

#B347E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #355FC3

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

Preview Lab → · Contrast checker → · Palette generator →