#2F4BBF#2F4BBF

#2F4BBF is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.6% C 0.184 H 267.9°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#2F4BBF
RGB	rgb(47, 75, 191)
HSL	hsl(228, 61%, 47%)
HSV	hsv(228, 75%, 75%)
CMYK	cmyk(75.4%, 60.7%, 0%, 25.1%)
CIE-LAB	lab(36.74, 30.89, -63.79)
CIE-LCH	lch(36.74, 70.87, 295.84°)
OKLab	oklab(46.65% -0.0067 -0.1843)
OKLCH	oklch(46.65% 0.184 267.9)
XYZ	xyz(13.0891, 9.3966, 50.4040)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4BBF #BFA32F

analogous

#2F93BF #2F4BBF #5B2FBF

triadic

#2F4BBF #BF2F4B #4BBF2F

tetradic

#2F4BBF #BF2F93 #BFA32F #2FBF5B

square

#2F4BBF #BF2F93 #BFA32F #2FBF5B

split-complementary

#2F4BBF #BF5B2F #93BF2F

monochromatic

#17245D #23388E #2F4BBF #566FD5 #8799E1

Accessibility & contrast

On white

7.29

#2F4BBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2F4BBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4BBF

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4BBF	#FFFFFF	#000000	##FFFFFF
##2F4BBF	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC3

Deuteranopia (green-blind)

#0050BD

Tritanopia (blue-blind)

#00697E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f4bbf;
/* rgb */ color: rgb(47, 75, 191);
/* oklch */ color: oklch(46.6% 0.184 267.9);

Tailwind

colors: {
  custom: {
    50: '#7d7dd3',
    500: '#2f4bbf',
    950: '#000000',
  },
}

SCSS

$custom: #2f4bbf;
$custom-light: #7d7dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4bbf",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 191
  },
  "hsl": {
    "h": 228.333,
    "s": 60.504,
    "l": 46.667
  },
  "oklch": {
    "l": 0.46648,
    "c": 0.18442,
    "h": 267.9
  },
  "luminance": 0.09398
}

Semantic roles & 50–950 ramp

primary

#2F4BBF

secondary

#CBBC7F

accent

#C544E4

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #2F4BBF

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

Preview Lab → · Contrast checker → · Palette generator →