#33579D#33579D

#33579D is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.7% C 0.121 H 262.3°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#33579D
RGB	rgb(51, 87, 157)
HSL	hsl(220, 51%, 41%)
HSV	hsv(220, 68%, 62%)
CMYK	cmyk(67.5%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(37.76, 10.88, -41.98)
CIE-LCH	lch(37.76, 43.37, 284.53°)
OKLab	oklab(46.7% -0.0163 -0.1199)
OKLCH	oklch(46.7% 0.121 262.3)
XYZ	xyz(10.8571, 9.9535, 33.2408)
Luminance	0.0995 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33579D #9D7933

analogous

#338C9D #33579D #44339D

triadic

#33579D #9D3357 #579D33

tetradic

#33579D #9D338C #9D7933 #339D44

square

#33579D #9D338C #9D7933 #339D44

split-complementary

#33579D #9D4433 #8C9D33

monochromatic

#152441 #243D6F #33579D #4973C4 #7797D3

Accessibility & contrast

On white

7.02

#33579D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#33579D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33579D

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33579D	#FFFFFF	#000000	##FFFFFF
##33579D	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365EA0

Deuteranopia (green-blind)

#24549C

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #33579d;
/* rgb */ color: rgb(51, 87, 157);
/* oklch */ color: oklch(46.7% 0.121 262.3);

Tailwind

colors: {
  custom: {
    50: '#7685ba',
    500: '#33579d',
    950: '#000000',
  },
}

SCSS

$custom: #33579d;
$custom-light: #7685ba;
$custom-dark: #000000;

JSON

{
  "hex": "#33579d",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 219.623,
    "s": 50.962,
    "l": 40.784
  },
  "oklch": {
    "l": 0.46699,
    "c": 0.12103,
    "h": 262.3
  },
  "luminance": 0.09955
}

Semantic roles & 50–950 ramp

primary

#33579D

secondary

#BBA270

accent

#AB4DDA

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #33579D

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

Preview Lab → · Contrast checker → · Palette generator →