#355BC4#355BC4

#355BC4 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.5% C 0.170 H 265.6°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#355BC4
RGB	rgb(53, 91, 196)
HSL	hsl(224, 57%, 49%)
HSV	hsv(224, 73%, 77%)
CMYK	cmyk(73%, 53.6%, 0%, 23.1%)
CIE-LAB	lab(41.57, 23.08, -58.83)
CIE-LCH	lch(41.57, 63.20, 291.42°)
OKLab	oklab(50.46% -0.0131 -0.1694)
OKLCH	oklch(50.46% 0.17 265.6)
XYZ	xyz(15.1696, 12.2230, 53.7736)
Luminance	0.1222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BC4 #C49E35

analogous

#35A3C4 #355BC4 #5735C4

triadic

#355BC4 #C4355B #5BC435

tetradic

#355BC4 #C435A3 #C49E35 #35C457

square

#355BC4 #C435A3 #C49E35 #35C457

split-complementary

#355BC4 #C45735 #A3C435

monochromatic

#1B2E64 #284594 #355BC4 #6280D4 #92A7E1

Accessibility & contrast

On white

6.10

#355BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#355BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BC4

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BC4	#FFFFFF	#000000	##FFFFFF
##355BC4	1.00	6.10	3.45	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0869C8

Deuteranopia (green-blind)

#005CC2

Tritanopia (blue-blind)

#007486

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #355bc4;
/* rgb */ color: rgb(53, 91, 196);
/* oklch */ color: oklch(50.5% 0.170 265.6);

Tailwind

colors: {
  custom: {
    50: '#7f88d7',
    500: '#355bc4',
    950: '#000000',
  },
}

SCSS

$custom: #355bc4;
$custom-light: #7f88d7;
$custom-dark: #000000;

JSON

{
  "hex": "#355bc4",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 196
  },
  "hsl": {
    "h": 224.056,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50462,
    "c": 0.16989,
    "h": 265.6
  },
  "luminance": 0.12225
}

Semantic roles & 50–950 ramp

primary

#355BC4

secondary

#CCBA88

accent

#B847E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355BC4

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

Preview Lab → · Contrast checker → · Palette generator →