#355B8A#355B8A

#355B8A is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.5% C 0.088 H 254.6°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#355B8A
RGB	rgb(53, 91, 138)
HSL	hsl(213, 45%, 37%)
HSV	hsv(213, 62%, 54%)
CMYK	cmyk(61.6%, 34.1%, 0%, 45.9%)
CIE-LAB	lab(37.97, 1.77, -30.17)
CIE-LCH	lch(37.97, 30.22, 273.37°)
OKLab	oklab(46.54% -0.0235 -0.0853)
OKLCH	oklch(46.54% 0.088 254.6)
XYZ	xyz(9.7951, 10.0732, 25.4680)
Luminance	0.1007 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355B8A #8A6435

analogous

#35868A #355B8A #39358A

triadic

#355B8A #8A355B #5B8A35

tetradic

#355B8A #8A3586 #8A6435 #358A39

square

#355B8A #8A3586 #8A6435 #358A39

split-complementary

#355B8A #8A3935 #868A35

monochromatic

#132132 #243E5E #355B8A #4678B6 #7198C8

Accessibility & contrast

On white

6.97

#355B8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#355B8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355B8A

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355B8A	#FFFFFF	#000000	##FFFFFF
##355B8A	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475E8C

Deuteranopia (green-blind)

#3C5689

Tritanopia (blue-blind)

#00666C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #355b8a;
/* rgb */ color: rgb(53, 91, 138);
/* oklch */ color: oklch(46.5% 0.088 254.6);

Tailwind

colors: {
  custom: {
    50: '#7489ac',
    500: '#355b8a',
    950: '#000000',
  },
}

SCSS

$custom: #355b8a;
$custom-light: #7489ac;
$custom-dark: #000000;

JSON

{
  "hex": "#355b8a",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 138
  },
  "hsl": {
    "h": 213.176,
    "s": 44.503,
    "l": 37.451
  },
  "oklch": {
    "l": 0.46542,
    "c": 0.08844,
    "h": 254.6
  },
  "luminance": 0.10074
}

Semantic roles & 50–950 ramp

primary

#355B8A

secondary

#B1916A

accent

#9B54D4

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #355B8A

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

Preview Lab → · Contrast checker → · Palette generator →