#33579F#33579F

#33579F is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.8% C 0.124 H 262.6°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#33579F
RGB	rgb(51, 87, 159)
HSL	hsl(220, 51%, 41%)
HSV	hsv(220, 68%, 62%)
CMYK	cmyk(67.9%, 45.3%, 0%, 37.6%)
CIE-LAB	lab(37.88, 11.63, -42.98)
CIE-LCH	lch(37.88, 44.53, 285.14°)
OKLab	oklab(46.83% -0.0159 -0.1229)
OKLCH	oklch(46.83% 0.124 262.6)
XYZ	xyz(11.0292, 10.0223, 34.1474)
Luminance	0.1002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33579F #9F7B33

analogous

#338D9F #33579F #45339F

triadic

#33579F #9F3357 #579F33

tetradic

#33579F #9F338D #9F7B33 #339F45

square

#33579F #9F338D #9F7B33 #339F45

split-complementary

#33579F #9F4533 #8D9F33

monochromatic

#152442 #243E71 #33579F #4A73C5 #7997D4

Accessibility & contrast

On white

6.99

#33579F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#33579F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #33579F

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33579F	#FFFFFF	#000000	##FFFFFF
##33579F	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345EA2

Deuteranopia (green-blind)

#21559E

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #33579f;
/* rgb */ color: rgb(51, 87, 159);
/* oklch */ color: oklch(46.8% 0.124 262.6);

Tailwind

colors: {
  custom: {
    50: '#7785bc',
    500: '#33579f',
    950: '#000000',
  },
}

SCSS

$custom: #33579f;
$custom-light: #7785bc;
$custom-dark: #000000;

JSON

{
  "hex": "#33579f",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 159
  },
  "hsl": {
    "h": 220,
    "s": 51.429,
    "l": 41.176
  },
  "oklch": {
    "l": 0.46834,
    "c": 0.12389,
    "h": 262.6
  },
  "luminance": 0.10023
}

Semantic roles & 50–950 ramp

primary

#33579F

secondary

#BCA371

accent

#AC4DDB

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #33579F

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

Preview Lab → · Contrast checker → · Palette generator →