#2F4BB7#2F4BB7

#2F4BB7 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.0% C 0.174 H 267.8°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#2F4BB7
RGB	rgb(47, 75, 183)
HSL	hsl(228, 59%, 45%)
HSV	hsv(228, 74%, 72%)
CMYK	cmyk(74.3%, 59%, 0%, 28.2%)
CIE-LAB	lab(36.09, 27.92, -60.15)
CIE-LCH	lch(36.09, 66.31, 294.90°)
OKLab	oklab(45.96% -0.0068 -0.1736)
OKLCH	oklch(45.96% 0.174 267.8)
XYZ	xyz(12.2326, 9.0541, 45.8935)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4BB7 #B79B2F

analogous

#2F8FB7 #2F4BB7 #572FB7

triadic

#2F4BB7 #B72F4B #4BB72F

tetradic

#2F4BB7 #B72F8F #B79B2F #2FB757

square

#2F4BB7 #B72F8F #B79B2F #2FB757

split-complementary

#2F4BB7 #B7572F #8FB72F

monochromatic

#162356 #223786 #2F4BB7 #516CD2 #8295DF

Accessibility & contrast

On white

7.47

#2F4BB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#2F4BB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4BB7

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4BB7	#FFFFFF	#000000	##FFFFFF
##2F4BB7	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBB

Deuteranopia (green-blind)

#004FB5

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2f4bb7;
/* rgb */ color: rgb(47, 75, 183);
/* oklch */ color: oklch(46.0% 0.174 267.8);

Tailwind

colors: {
  custom: {
    50: '#7b7dcd',
    500: '#2f4bb7',
    950: '#000000',
  },
}

SCSS

$custom: #2f4bb7;
$custom-light: #7b7dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4bb7",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 183
  },
  "hsl": {
    "h": 227.647,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.45963,
    "c": 0.17374,
    "h": 267.8
  },
  "luminance": 0.09055
}

Semantic roles & 50–950 ramp

primary

#2F4BB7

secondary

#C8B87A

accent

#C245E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2F4BB7

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

Preview Lab → · Contrast checker → · Palette generator →