#2F579C#2F579C

#2F579C is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.4% C 0.121 H 260.5°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#2F579C
RGB	rgb(47, 87, 156)
HSL	hsl(218, 54%, 40%)
HSV	hsv(218, 70%, 61%)
CMYK	cmyk(69.9%, 44.2%, 0%, 38.8%)
CIE-LAB	lab(37.52, 9.84, -41.78)
CIE-LCH	lch(37.52, 42.92, 283.25°)
OKLab	oklab(46.44% -0.0199 -0.1194)
OKLCH	oklch(46.44% 0.121 260.5)
XYZ	xyz(10.5791, 9.8199, 32.7840)
Luminance	0.0982 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F579C #9C742F

analogous

#2F8D9C #2F579C #3E2F9C

triadic

#2F579C #9C2F57 #579C2F

tetradic

#2F579C #9C2F8D #9C742F #2F9C3E

square

#2F579C #9C2F8D #9C742F #2F9C3E

split-complementary

#2F579C #9C3E2F #8D9C2F

monochromatic

#13233E #213D6D #2F579C #4273C6 #7196D4

Accessibility & contrast

On white

7.08

#2F579C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2F579C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F579C

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F579C	#FFFFFF	#000000	##FFFFFF
##2F579C	1.00	7.08	2.96	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365E9F

Deuteranopia (green-blind)

#23549B

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2f579c;
/* rgb */ color: rgb(47, 87, 156);
/* oklch */ color: oklch(46.4% 0.121 260.5);

Tailwind

colors: {
  custom: {
    50: '#7585ba',
    500: '#2f579c',
    950: '#000000',
  },
}

SCSS

$custom: #2f579c;
$custom-light: #7585ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f579c",
  "rgb": {
    "r": 47,
    "g": 87,
    "b": 156
  },
  "hsl": {
    "h": 217.982,
    "s": 53.695,
    "l": 39.804
  },
  "oklch": {
    "l": 0.46443,
    "c": 0.12104,
    "h": 260.5
  },
  "luminance": 0.09821
}

Semantic roles & 50–950 ramp

primary

#2F579C

secondary

#BC9E6B

accent

#A74BDD

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #2F579C

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

Preview Lab → · Contrast checker → · Palette generator →