#355EC2#355EC2

#355EC2 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.9% C 0.163 H 264.5°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#355EC2
RGB	rgb(53, 94, 194)
HSL	hsl(223, 57%, 48%)
HSV	hsv(223, 73%, 76%)
CMYK	cmyk(72.7%, 51.5%, 0%, 23.9%)
CIE-LAB	lab(42.24, 20.39, -56.59)
CIE-LCH	lch(42.24, 60.15, 289.82°)
OKLab	oklab(50.93% -0.0157 -0.1627)
OKLCH	oklch(50.93% 0.163 264.5)
XYZ	xyz(15.2051, 12.6557, 52.6699)
Luminance	0.1266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EC2 #C29935

analogous

#35A4C2 #355EC2 #5235C2

triadic

#355EC2 #C2355E #5EC235

tetradic

#355EC2 #C235A4 #C29935 #35C252

square

#355EC2 #C235A4 #C29935 #35C252

split-complementary

#355EC2 #C25235 #A4C235

monochromatic

#1B2F62 #284792 #355EC2 #6082D4 #91A8E1

Accessibility & contrast

On white

5.95

#355EC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#355EC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EC2

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EC2	#FFFFFF	#000000	##FFFFFF
##355EC2	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E6BC6

Deuteranopia (green-blind)

#005EC0

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #355ec2;
/* rgb */ color: rgb(53, 94, 194);
/* oklch */ color: oklch(50.9% 0.163 264.5);

Tailwind

colors: {
  custom: {
    50: '#7f8bd5',
    500: '#355ec2',
    950: '#000000',
  },
}

SCSS

$custom: #355ec2;
$custom-light: #7f8bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#355ec2",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 194
  },
  "hsl": {
    "h": 222.553,
    "s": 57.085,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50927,
    "c": 0.16348,
    "h": 264.5
  },
  "luminance": 0.12657
}

Semantic roles & 50–950 ramp

primary

#355EC2

secondary

#CCB887

accent

#B447E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355EC2

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

Preview Lab → · Contrast checker → · Palette generator →