#33579C#33579C

#33579C is a mid, moderate blue. Relative luminance 0.099; OKLCH L 46.6% C 0.120 H 262.1°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#33579C
RGB	rgb(51, 87, 156)
HSL	hsl(219, 51%, 41%)
HSV	hsv(219, 67%, 61%)
CMYK	cmyk(67.3%, 44.2%, 0%, 38.8%)
CIE-LAB	lab(37.70, 10.51, -41.48)
CIE-LCH	lch(37.70, 42.79, 284.22°)
OKLab	oklab(46.63% -0.0165 -0.1184)
OKLCH	oklch(46.63% 0.12 262.1)
XYZ	xyz(10.7721, 9.9195, 32.7930)
Luminance	0.0992 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33579C #9C7833

analogous

#338B9C #33579C #44339C

triadic

#33579C #9C3357 #579C33

tetradic

#33579C #9C338B #9C7833 #339C44

square

#33579C #9C338B #9C7833 #339C44

split-complementary

#33579C #9C4433 #8B9C33

monochromatic

#152440 #243D6E #33579C #4973C3 #7796D3

Accessibility & contrast

On white

7.04

#33579C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#33579C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33579C

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33579C	#FFFFFF	#000000	##FFFFFF
##33579C	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365E9F

Deuteranopia (green-blind)

#25549B

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #33579c;
/* rgb */ color: rgb(51, 87, 156);
/* oklch */ color: oklch(46.6% 0.120 262.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#33579c",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 156
  },
  "hsl": {
    "h": 219.429,
    "s": 50.725,
    "l": 40.588
  },
  "oklch": {
    "l": 0.46632,
    "c": 0.11959,
    "h": 262.1
  },
  "luminance": 0.0992
}

Semantic roles & 50–950 ramp

primary

#33579C

secondary

#BBA170

accent

#AA4EDA

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #33579C

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

Preview Lab → · Contrast checker → · Palette generator →