#2F4BB9#2F4BB9

#2F4BB9 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.1% C 0.176 H 267.8°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#2F4BB9
RGB	rgb(47, 75, 185)
HSL	hsl(228, 59%, 45%)
HSV	hsv(228, 75%, 73%)
CMYK	cmyk(74.6%, 59.5%, 0%, 27.5%)
CIE-LAB	lab(36.25, 28.67, -61.06)
CIE-LCH	lch(36.25, 67.46, 295.15°)
OKLab	oklab(46.13% -0.0067 -0.1763)
OKLCH	oklch(46.13% 0.176 267.8)
XYZ	xyz(12.4423, 9.1379, 46.9976)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4BB9 #B99D2F

analogous

#2F90B9 #2F4BB9 #582FB9

triadic

#2F4BB9 #B92F4B #4BB92F

tetradic

#2F4BB9 #B92F90 #B99D2F #2FB958

square

#2F4BB9 #B92F90 #B99D2F #2FB958

split-complementary

#2F4BB9 #B9582F #90B92F

monochromatic

#162357 #233788 #2F4BB9 #526CD3 #8396DF

Accessibility & contrast

On white

7.43

#2F4BB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#2F4BB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4BB9

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4BB9	#FFFFFF	#000000	##FFFFFF
##2F4BB9	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBD

Deuteranopia (green-blind)

#004FB7

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2f4bb9;
/* rgb */ color: rgb(47, 75, 185);
/* oklch */ color: oklch(46.1% 0.176 267.8);

Tailwind

colors: {
  custom: {
    50: '#7c7dcf',
    500: '#2f4bb9',
    950: '#000000',
  },
}

SCSS

$custom: #2f4bb9;
$custom-light: #7c7dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4bb9",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 185
  },
  "hsl": {
    "h": 227.826,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46133,
    "c": 0.17643,
    "h": 267.8
  },
  "luminance": 0.09139
}

Semantic roles & 50–950 ramp

primary

#2F4BB9

secondary

#C9B97B

accent

#C345E3

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2F4BB9

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

Preview Lab → · Contrast checker → · Palette generator →