#33579E#33579E

#33579E is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.8% C 0.122 H 262.4°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#33579E
RGB	rgb(51, 87, 158)
HSL	hsl(220, 51%, 41%)
HSV	hsv(220, 68%, 62%)
CMYK	cmyk(67.7%, 44.9%, 0%, 38%)
CIE-LAB	lab(37.82, 11.25, -42.48)
CIE-LCH	lch(37.82, 43.95, 284.84°)
OKLab	oklab(46.77% -0.0161 -0.1214)
OKLCH	oklch(46.77% 0.122 262.4)
XYZ	xyz(10.9428, 9.9878, 33.6923)
Luminance	0.0999 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33579E #9E7A33

analogous

#338C9E #33579E #44339E

triadic

#33579E #9E3357 #579E33

tetradic

#33579E #9E338C #9E7A33 #339E44

square

#33579E #9E338C #9E7A33 #339E44

split-complementary

#33579E #9E4433 #8C9E33

monochromatic

#152441 #243E70 #33579E #4A73C4 #7897D3

Accessibility & contrast

On white

7.01

#33579E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#33579E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #33579E

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33579E	#FFFFFF	#000000	##FFFFFF
##33579E	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355EA1

Deuteranopia (green-blind)

#22549D

Tritanopia (blue-blind)

#006773

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #33579e;
/* rgb */ color: rgb(51, 87, 158);
/* oklch */ color: oklch(46.8% 0.122 262.4);

Tailwind

colors: {
  custom: {
    50: '#7785bb',
    500: '#33579e',
    950: '#000000',
  },
}

SCSS

$custom: #33579e;
$custom-light: #7785bb;
$custom-dark: #000000;

JSON

{
  "hex": "#33579e",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 158
  },
  "hsl": {
    "h": 219.813,
    "s": 51.196,
    "l": 40.98
  },
  "oklch": {
    "l": 0.46766,
    "c": 0.12246,
    "h": 262.4
  },
  "luminance": 0.09989
}

Semantic roles & 50–950 ramp

primary

#33579E

secondary

#BCA371

accent

#AB4DDB

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #33579E

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

Preview Lab → · Contrast checker → · Palette generator →