#2F579D#2F579D

#2F579D is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.5% C 0.122 H 260.7°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#2F579D
RGB	rgb(47, 87, 157)
HSL	hsl(218, 54%, 40%)
HSV	hsv(218, 70%, 62%)
CMYK	cmyk(70.1%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(37.58, 10.21, -42.28)
CIE-LCH	lch(37.58, 43.49, 283.58°)
OKLab	oklab(46.51% -0.0197 -0.1209)
OKLCH	oklch(46.51% 0.122 260.7)
XYZ	xyz(10.6641, 9.8540, 33.2317)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F579D #9D752F

analogous

#2F8E9D #2F579D #3E2F9D

triadic

#2F579D #9D2F57 #579D2F

tetradic

#2F579D #9D2F8E #9D752F #2F9D3E

square

#2F579D #9D2F8E #9D752F #2F9D3E

split-complementary

#2F579D #9D3E2F #8E9D2F

monochromatic

#13233F #213D6E #2F579D #4373C7 #7296D5

Accessibility & contrast

On white

7.07

#2F579D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#2F579D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F579D

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F579D	#FFFFFF	#000000	##FFFFFF
##2F579D	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355EA0

Deuteranopia (green-blind)

#22549C

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2f579d;
/* rgb */ color: rgb(47, 87, 157);
/* oklch */ color: oklch(46.5% 0.122 260.7);

Tailwind

colors: {
  custom: {
    50: '#7585ba',
    500: '#2f579d',
    950: '#000000',
  },
}

SCSS

$custom: #2f579d;
$custom-light: #7585ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f579d",
  "rgb": {
    "r": 47,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 218.182,
    "s": 53.922,
    "l": 40
  },
  "oklch": {
    "l": 0.46511,
    "c": 0.12246,
    "h": 260.7
  },
  "luminance": 0.09855
}

Semantic roles & 50–950 ramp

primary

#2F579D

secondary

#BC9F6B

accent

#A84BDD

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2F579D

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

Preview Lab → · Contrast checker → · Palette generator →