#355EC1#355EC1

#355EC1 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.9% C 0.162 H 264.4°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#355EC1
RGB	rgb(53, 94, 193)
HSL	hsl(222, 57%, 48%)
HSV	hsv(222, 73%, 76%)
CMYK	cmyk(72.5%, 51.3%, 0%, 24.3%)
CIE-LAB	lab(42.17, 20.02, -56.12)
CIE-LCH	lch(42.17, 59.58, 289.64°)
OKLab	oklab(50.85% -0.0158 -0.1613)
OKLCH	oklch(50.85% 0.162 264.4)
XYZ	xyz(15.0931, 12.6109, 52.0805)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EC1 #C19835

analogous

#35A4C1 #355EC1 #5235C1

triadic

#355EC1 #C1355E #5EC135

tetradic

#355EC1 #C135A4 #C19835 #35C152

square

#355EC1 #C135A4 #C19835 #35C152

split-complementary

#355EC1 #C15235 #A4C135

monochromatic

#1B2F61 #284791 #355EC1 #6082D3 #90A8E0

Accessibility & contrast

On white

5.96

#355EC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#355EC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EC1

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EC1	#FFFFFF	#000000	##FFFFFF
##355EC1	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F6AC5

Deuteranopia (green-blind)

#005DBF

Tritanopia (blue-blind)

#007686

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #355ec1;
/* rgb */ color: rgb(53, 94, 193);
/* oklch */ color: oklch(50.9% 0.162 264.4);

Tailwind

colors: {
  custom: {
    50: '#7e8bd4',
    500: '#355ec1',
    950: '#000000',
  },
}

SCSS

$custom: #355ec1;
$custom-light: #7e8bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#355ec1",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 193
  },
  "hsl": {
    "h": 222.429,
    "s": 56.911,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50853,
    "c": 0.16212,
    "h": 264.4
  },
  "luminance": 0.12613
}

Semantic roles & 50–950 ramp

primary

#355EC1

secondary

#CBB787

accent

#B448E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355EC1

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

Preview Lab → · Contrast checker → · Palette generator →