#355BC1#355BC1

#355BC1 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.2% C 0.166 H 265.4°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#355BC1
RGB	rgb(53, 91, 193)
HSL	hsl(224, 57%, 48%)
HSV	hsv(224, 73%, 76%)
CMYK	cmyk(72.5%, 52.8%, 0%, 24.3%)
CIE-LAB	lab(41.36, 21.97, -57.44)
CIE-LCH	lch(41.36, 61.49, 290.93°)
OKLab	oklab(50.23% -0.0133 -0.1653)
OKLCH	oklch(50.23% 0.166 265.4)
XYZ	xyz(14.8315, 12.0877, 51.9933)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BC1 #C19B35

analogous

#35A1C1 #355BC1 #5535C1

triadic

#355BC1 #C1355B #5BC135

tetradic

#355BC1 #C135A1 #C19B35 #35C155

square

#355BC1 #C135A1 #C19B35 #35C155

split-complementary

#355BC1 #C15535 #A1C135

monochromatic

#1B2E61 #284491 #355BC1 #607FD3 #90A6E0

Accessibility & contrast

On white

6.14

#355BC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#355BC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BC1

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BC1	#FFFFFF	#000000	##FFFFFF
##355BC1	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1368C5

Deuteranopia (green-blind)

#005BBF

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #355bc1;
/* rgb */ color: rgb(53, 91, 193);
/* oklch */ color: oklch(50.2% 0.166 265.4);

Tailwind

colors: {
  custom: {
    50: '#7f88d4',
    500: '#355bc1',
    950: '#000000',
  },
}

SCSS

$custom: #355bc1;
$custom-light: #7f88d4;
$custom-dark: #000000;

JSON

{
  "hex": "#355bc1",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 193
  },
  "hsl": {
    "h": 223.714,
    "s": 56.911,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50233,
    "c": 0.16582,
    "h": 265.4
  },
  "luminance": 0.12089
}

Semantic roles & 50–950 ramp

primary

#355BC1

secondary

#CBB987

accent

#B748E0

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355BC1

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

Preview Lab → · Contrast checker → · Palette generator →