#355BBA#355BBA

#355BBA is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.7% C 0.156 H 264.8°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#355BBA
RGB	rgb(53, 91, 186)
HSL	hsl(223, 56%, 47%)
HSV	hsv(223, 72%, 73%)
CMYK	cmyk(71.5%, 51.1%, 0%, 27.1%)
CIE-LAB	lab(40.87, 19.37, -54.14)
CIE-LCH	lch(40.87, 57.50, 289.68°)
OKLab	oklab(49.71% -0.014 -0.1556)
OKLCH	oklch(49.71% 0.156 264.8)
XYZ	xyz(14.0691, 11.7828, 47.9777)
Luminance	0.1178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BBA #BA9435

analogous

#359EBA #355BBA #5135BA

triadic

#355BBA #BA355B #5BBA35

tetradic

#355BBA #BA359E #BA9435 #35BA51

square

#355BBA #BA359E #BA9435 #35BA51

split-complementary

#355BBA #BA5135 #9EBA35

monochromatic

#1A2C5B #27448A #355BBA #5C7DD0 #8BA3DE

Accessibility & contrast

On white

6.26

#355BBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#355BBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BBA

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BBA	#FFFFFF	#000000	##FFFFFF
##355BBA	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2167BD

Deuteranopia (green-blind)

#005BB8

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355bba;
/* rgb */ color: rgb(53, 91, 186);
/* oklch */ color: oklch(49.7% 0.156 264.8);

Tailwind

colors: {
  custom: {
    50: '#7d88cf',
    500: '#355bba',
    950: '#000000',
  },
}

SCSS

$custom: #355bba;
$custom-light: #7d88cf;
$custom-dark: #000000;

JSON

{
  "hex": "#355bba",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 186
  },
  "hsl": {
    "h": 222.857,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.49709,
    "c": 0.15622,
    "h": 264.8
  },
  "luminance": 0.11784
}

Semantic roles & 50–950 ramp

primary

#355BBA

secondary

#C8B482

accent

#B449DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #355BBA

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

Preview Lab → · Contrast checker → · Palette generator →