#355FB4#355FB4

#355FB4 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.1% C 0.143 H 262.6°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#355FB4
RGB	rgb(53, 95, 180)
HSL	hsl(220, 55%, 46%)
HSV	hsv(220, 71%, 71%)
CMYK	cmyk(70.6%, 47.2%, 0%, 29.4%)
CIE-LAB	lab(41.59, 14.55, -49.47)
CIE-LCH	lch(41.59, 51.57, 286.38°)
OKLab	oklab(50.13% -0.0184 -0.1418)
OKLCH	oklch(50.13% 0.143 262.6)
XYZ	xyz(13.7957, 12.2352, 44.8057)
Luminance	0.1224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FB4 #B48A35

analogous

#359EB4 #355FB4 #4A35B4

triadic

#355FB4 #B4355F #5FB435

tetradic

#355FB4 #B4359E #B48A35 #35B44A

square

#355FB4 #B4359E #B48A35 #35B44A

split-complementary

#355FB4 #B44A35 #9EB435

monochromatic

#192D55 #274685 #355FB4 #587FCE #88A3DC

Accessibility & contrast

On white

6.09

#355FB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#355FB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FB4

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FB4	#FFFFFF	#000000	##FFFFFF
##355FB4	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3268B7

Deuteranopia (green-blind)

#155DB2

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #355fb4;
/* rgb */ color: rgb(53, 95, 180);
/* oklch */ color: oklch(50.1% 0.143 262.6);

Tailwind

colors: {
  custom: {
    50: '#7c8bcb',
    500: '#355fb4',
    950: '#000000',
  },
}

SCSS

$custom: #355fb4;
$custom-light: #7c8bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#355fb4",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 180
  },
  "hsl": {
    "h": 220.157,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.50131,
    "c": 0.14297,
    "h": 262.6
  },
  "luminance": 0.12237
}

Semantic roles & 50–950 ramp

primary

#355FB4

secondary

#C6AE7F

accent

#AD4ADE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #355FB4

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

Preview Lab → · Contrast checker → · Palette generator →