#2F4DB9#2F4DB9

#2F4DB9 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.5% C 0.174 H 267.3°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#2F4DB9
RGB	rgb(47, 77, 185)
HSL	hsl(227, 59%, 45%)
HSV	hsv(227, 75%, 73%)
CMYK	cmyk(74.6%, 58.4%, 0%, 27.5%)
CIE-LAB	lab(36.77, 27.36, -60.22)
CIE-LCH	lch(36.77, 66.14, 294.44°)
OKLab	oklab(46.52% -0.0081 -0.1738)
OKLCH	oklch(46.52% 0.174 267.3)
XYZ	xyz(12.5801, 9.4135, 47.0435)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4DB9 #B99B2F

analogous

#2F92B9 #2F4DB9 #562FB9

triadic

#2F4DB9 #B92F4D #4DB92F

tetradic

#2F4DB9 #B92F92 #B99B2F #2FB956

square

#2F4DB9 #B92F92 #B99B2F #2FB956

split-complementary

#2F4DB9 #B9562F #92B92F

monochromatic

#162457 #233988 #2F4DB9 #526ED3 #8397DF

Accessibility & contrast

On white

7.28

#2F4DB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2F4DB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4DB9

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4DB9	#FFFFFF	#000000	##FFFFFF
##2F4DB9	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBD

Deuteranopia (green-blind)

#0050B7

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f4db9;
/* rgb */ color: rgb(47, 77, 185);
/* oklch */ color: oklch(46.5% 0.174 267.3);

Tailwind

colors: {
  custom: {
    50: '#7b7ecf',
    500: '#2f4db9',
    950: '#000000',
  },
}

SCSS

$custom: #2f4db9;
$custom-light: #7b7ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4db9",
  "rgb": {
    "r": 47,
    "g": 77,
    "b": 185
  },
  "hsl": {
    "h": 226.957,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46521,
    "c": 0.17398,
    "h": 267.3
  },
  "luminance": 0.09415
}

Semantic roles & 50–950 ramp

primary

#2F4DB9

secondary

#C9B87B

accent

#C045E3

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2F4DB9

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

Preview Lab → · Contrast checker → · Palette generator →