#2F579F#2F579F

#2F579F is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.6% C 0.125 H 261.1°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#2F579F
RGB	rgb(47, 87, 159)
HSL	hsl(219, 54%, 40%)
HSV	hsv(219, 70%, 62%)
CMYK	cmyk(70.4%, 45.3%, 0%, 37.6%)
CIE-LAB	lab(37.70, 10.97, -43.28)
CIE-LCH	lch(37.70, 44.65, 284.22°)
OKLab	oklab(46.65% -0.0193 -0.1238)
OKLCH	oklch(46.65% 0.125 261.1)
XYZ	xyz(10.8363, 9.9228, 34.1384)
Luminance	0.0992 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F579F #9F772F

analogous

#2F8F9F #2F579F #3F2F9F

triadic

#2F579F #9F2F57 #579F2F

tetradic

#2F579F #9F2F8F #9F772F #2F9F3F

square

#2F579F #9F2F8F #9F772F #2F9F3F

split-complementary

#2F579F #9F3F2F #8F9F2F

monochromatic

#132341 #213D70 #2F579F #4473C8 #7396D6

Accessibility & contrast

On white

7.04

#2F579F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#2F579F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F579F

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F579F	#FFFFFF	#000000	##FFFFFF
##2F579F	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)

#335EA2

Deuteranopia (green-blind)

#1F549E

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2f579f;
/* rgb */ color: rgb(47, 87, 159);
/* oklch */ color: oklch(46.6% 0.125 261.1);

Tailwind

colors: {
  custom: {
    50: '#7585bc',
    500: '#2f579f',
    950: '#000000',
  },
}

SCSS

$custom: #2f579f;
$custom-light: #7585bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f579f",
  "rgb": {
    "r": 47,
    "g": 87,
    "b": 159
  },
  "hsl": {
    "h": 218.571,
    "s": 54.369,
    "l": 40.392
  },
  "oklch": {
    "l": 0.46647,
    "c": 0.1253,
    "h": 261.1
  },
  "luminance": 0.09924
}

Semantic roles & 50–950 ramp

primary

#2F579F

secondary

#BDA06D

accent

#A94ADE

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2F579F

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

Preview Lab → · Contrast checker → · Palette generator →