#355CB8#355CB8

#355CB8 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.152 H 264.3°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#355CB8
RGB	rgb(53, 92, 184)
HSL	hsl(222, 55%, 46%)
HSV	hsv(222, 71%, 72%)
CMYK	cmyk(71.2%, 50%, 0%, 27.8%)
CIE-LAB	lab(41.01, 17.98, -52.75)
CIE-LCH	lch(41.01, 55.72, 288.82°)
OKLab	oklab(49.77% -0.0151 -0.1515)
OKLCH	oklch(49.77% 0.152 264.3)
XYZ	xyz(13.9440, 11.8704, 46.8945)
Luminance	0.1187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CB8 #B89135

analogous

#359EB8 #355CB8 #5035B8

triadic

#355CB8 #B8355C #5CB835

tetradic

#355CB8 #B8359E #B89135 #35B850

square

#355CB8 #B8359E #B89135 #35B850

split-complementary

#355CB8 #B85035 #9EB835

monochromatic

#1A2C59 #274488 #355CB8 #5B7DD0 #8AA3DD

Accessibility & contrast

On white

6.22

#355CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#355CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CB8

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CB8	#FFFFFF	#000000	##FFFFFF
##355CB8	1.00	6.22	3.37	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2767BB

Deuteranopia (green-blind)

#005BB6

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #355cb8;
/* rgb */ color: rgb(53, 92, 184);
/* oklch */ color: oklch(49.8% 0.152 264.3);

Tailwind

colors: {
  custom: {
    50: '#7d89ce',
    500: '#355cb8',
    950: '#000000',
  },
}

SCSS

$custom: #355cb8;
$custom-light: #7d89ce;
$custom-dark: #000000;

JSON

{
  "hex": "#355cb8",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 184
  },
  "hsl": {
    "h": 222.137,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.49773,
    "c": 0.15221,
    "h": 264.3
  },
  "luminance": 0.11872
}

Semantic roles & 50–950 ramp

primary

#355CB8

secondary

#C7B381

accent

#B249DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #355CB8

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

Preview Lab → · Contrast checker → · Palette generator →