#2F4DB7#2F4DB7

#2F4DB7 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.4% C 0.171 H 267.2°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#2F4DB7
RGB	rgb(47, 77, 183)
HSL	hsl(227, 59%, 45%)
HSV	hsv(227, 74%, 72%)
CMYK	cmyk(74.3%, 57.9%, 0%, 28.2%)
CIE-LAB	lab(36.61, 26.61, -59.30)
CIE-LCH	lch(36.61, 64.99, 294.17°)
OKLab	oklab(46.35% -0.0082 -0.1711)
OKLCH	oklch(46.35% 0.171 267.2)
XYZ	xyz(12.3704, 9.3297, 45.9394)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4DB7 #B7992F

analogous

#2F91B7 #2F4DB7 #552FB7

triadic

#2F4DB7 #B72F4D #4DB72F

tetradic

#2F4DB7 #B72F91 #B7992F #2FB755

square

#2F4DB7 #B72F91 #B7992F #2FB755

split-complementary

#2F4DB7 #B7552F #91B72F

monochromatic

#162456 #223986 #2F4DB7 #516DD2 #8296DF

Accessibility & contrast

On white

7.33

#2F4DB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2F4DB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4DB7

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4DB7	#FFFFFF	#000000	##FFFFFF
##2F4DB7	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBB

Deuteranopia (green-blind)

#0050B5

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f4db7;
/* rgb */ color: rgb(47, 77, 183);
/* oklch */ color: oklch(46.4% 0.171 267.2);

Tailwind

colors: {
  custom: {
    50: '#7b7ecd',
    500: '#2f4db7',
    950: '#000000',
  },
}

SCSS

$custom: #2f4db7;
$custom-light: #7b7ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4db7",
  "rgb": {
    "r": 47,
    "g": 77,
    "b": 183
  },
  "hsl": {
    "h": 226.765,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.46354,
    "c": 0.17128,
    "h": 267.2
  },
  "luminance": 0.09331
}

Semantic roles & 50–950 ramp

primary

#2F4DB7

secondary

#C8B77A

accent

#C045E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2F4DB7

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

Preview Lab → · Contrast checker → · Palette generator →