#2F4DB8#2F4DB8

#2F4DB8 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.173 H 267.3°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#2F4DB8
RGB	rgb(47, 77, 184)
HSL	hsl(227, 59%, 45%)
HSV	hsv(227, 74%, 72%)
CMYK	cmyk(74.5%, 58.2%, 0%, 27.8%)
CIE-LAB	lab(36.69, 26.99, -59.76)
CIE-LCH	lch(36.69, 65.57, 294.31°)
OKLab	oklab(46.44% -0.0082 -0.1724)
OKLCH	oklch(46.44% 0.173 267.3)
XYZ	xyz(12.4749, 9.3714, 46.4895)
Luminance	0.0937 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4DB8 #B89A2F

analogous

#2F92B8 #2F4DB8 #552FB8

triadic

#2F4DB8 #B82F4D #4DB82F

tetradic

#2F4DB8 #B82F92 #B89A2F #2FB855

square

#2F4DB8 #B82F92 #B89A2F #2FB855

split-complementary

#2F4DB8 #B8552F #92B82F

monochromatic

#162457 #233987 #2F4DB8 #526ED3 #8297DF

Accessibility & contrast

On white

7.31

#2F4DB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2F4DB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4DB8

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4DB8	#FFFFFF	#000000	##FFFFFF
##2F4DB8	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBC

Deuteranopia (green-blind)

#0050B6

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f4db8;
/* rgb */ color: rgb(47, 77, 184);
/* oklch */ color: oklch(46.4% 0.173 267.3);

Tailwind

colors: {
  custom: {
    50: '#7b7ece',
    500: '#2f4db8',
    950: '#000000',
  },
}

SCSS

$custom: #2f4db8;
$custom-light: #7b7ece;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4db8",
  "rgb": {
    "r": 47,
    "g": 77,
    "b": 184
  },
  "hsl": {
    "h": 226.861,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46437,
    "c": 0.17262,
    "h": 267.3
  },
  "luminance": 0.09373
}

Semantic roles & 50–950 ramp

primary

#2F4DB8

secondary

#C8B77B

accent

#C045E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2F4DB8

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

Preview Lab → · Contrast checker → · Palette generator →