#2F579E#2F579E

#2F579E is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.6% C 0.124 H 260.9°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#2F579E
RGB	rgb(47, 87, 158)
HSL	hsl(218, 54%, 40%)
HSV	hsv(218, 70%, 62%)
CMYK	cmyk(70.3%, 44.9%, 0%, 38%)
CIE-LAB	lab(37.64, 10.59, -42.78)
CIE-LCH	lch(37.64, 44.07, 283.90°)
OKLab	oklab(46.58% -0.0195 -0.1223)
OKLCH	oklch(46.58% 0.124 260.9)
XYZ	xyz(10.7498, 9.8882, 33.6832)
Luminance	0.0989 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F579E #9E762F

analogous

#2F8F9E #2F579E #3E2F9E

triadic

#2F579E #9E2F57 #579E2F

tetradic

#2F579E #9E2F8F #9E762F #2F9E3E

square

#2F579E #9E2F8F #9E762F #2F9E3E

split-complementary

#2F579E #9E3E2F #8F9E2F

monochromatic

#132340 #213D6F #2F579E #4373C7 #7296D5

Accessibility & contrast

On white

7.05

#2F579E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#2F579E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F579E

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F579E	#FFFFFF	#000000	##FFFFFF
##2F579E	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345EA1

Deuteranopia (green-blind)

#20549D

Tritanopia (blue-blind)

#006773

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2f579e;
/* rgb */ color: rgb(47, 87, 158);
/* oklch */ color: oklch(46.6% 0.124 260.9);

Tailwind

colors: {
  custom: {
    50: '#7585bb',
    500: '#2f579e',
    950: '#000000',
  },
}

SCSS

$custom: #2f579e;
$custom-light: #7585bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f579e",
  "rgb": {
    "r": 47,
    "g": 87,
    "b": 158
  },
  "hsl": {
    "h": 218.378,
    "s": 54.146,
    "l": 40.196
  },
  "oklch": {
    "l": 0.46579,
    "c": 0.12388,
    "h": 260.9
  },
  "luminance": 0.09889
}

Semantic roles & 50–950 ramp

primary

#2F579E

secondary

#BDA06C

accent

#A84ADE

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2F579E

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

Preview Lab → · Contrast checker → · Palette generator →