#355CC4#355CC4

#355CC4 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.7% C 0.169 H 265.3°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#355CC4
RGB	rgb(53, 92, 196)
HSL	hsl(224, 57%, 49%)
HSV	hsv(224, 73%, 77%)
CMYK	cmyk(73%, 53.1%, 0%, 23.1%)
CIE-LAB	lab(41.84, 22.43, -58.40)
CIE-LCH	lch(41.84, 62.56, 291.01°)
OKLab	oklab(50.67% -0.0138 -0.1681)
OKLCH	oklch(50.67% 0.169 265.3)
XYZ	xyz(15.2556, 12.3951, 53.8023)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CC4 #C49D35

analogous

#35A4C4 #355CC4 #5535C4

triadic

#355CC4 #C4355C #5CC435

tetradic

#355CC4 #C435A4 #C49D35 #35C455

square

#355CC4 #C435A4 #C49D35 #35C455

split-complementary

#355CC4 #C45535 #A4C435

monochromatic

#1B2F64 #284594 #355CC4 #6281D4 #92A8E1

Accessibility & contrast

On white

6.04

#355CC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#355CC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CC4

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CC4	#FFFFFF	#000000	##FFFFFF
##355CC4	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#106AC8

Deuteranopia (green-blind)

#005CC2

Tritanopia (blue-blind)

#007587

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355cc4;
/* rgb */ color: rgb(53, 92, 196);
/* oklch */ color: oklch(50.7% 0.169 265.3);

Tailwind

colors: {
  custom: {
    50: '#7f89d7',
    500: '#355cc4',
    950: '#000000',
  },
}

SCSS

$custom: #355cc4;
$custom-light: #7f89d7;
$custom-dark: #000000;

JSON

{
  "hex": "#355cc4",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 196
  },
  "hsl": {
    "h": 223.636,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50666,
    "c": 0.16866,
    "h": 265.3
  },
  "luminance": 0.12397
}

Semantic roles & 50–950 ramp

primary

#355CC4

secondary

#CCBA88

accent

#B747E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355CC4

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

Preview Lab → · Contrast checker → · Palette generator →