#2F4BBB#2F4BBB

#2F4BBB is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.3% C 0.179 H 267.9°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#2F4BBB
RGB	rgb(47, 75, 187)
HSL	hsl(228, 60%, 46%)
HSV	hsv(228, 75%, 73%)
CMYK	cmyk(74.9%, 59.9%, 0%, 26.7%)
CIE-LAB	lab(36.41, 29.41, -61.98)
CIE-LCH	lch(36.41, 68.60, 295.39°)
OKLab	oklab(46.3% -0.0067 -0.179)
OKLCH	oklch(46.3% 0.179 267.9)
XYZ	xyz(12.6549, 9.2230, 48.1173)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4BBB #BB9F2F

analogous

#2F91BB #2F4BBB #592FBB

triadic

#2F4BBB #BB2F4B #4BBB2F

tetradic

#2F4BBB #BB2F91 #BB9F2F #2FBB59

square

#2F4BBB #BB2F91 #BB9F2F #2FBB59

split-complementary

#2F4BBB #BB592F #91BB2F

monochromatic

#162459 #23378A #2F4BBB #536DD4 #8497E0

Accessibility & contrast

On white

7.38

#2F4BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#2F4BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4BBB

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4BBB	#FFFFFF	#000000	##FFFFFF
##2F4BBB	1.00	7.38	2.84	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#00677B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f4bbb;
/* rgb */ color: rgb(47, 75, 187);
/* oklch */ color: oklch(46.3% 0.179 267.9);

Tailwind

colors: {
  custom: {
    50: '#7c7dd0',
    500: '#2f4bbb',
    950: '#000000',
  },
}

SCSS

$custom: #2f4bbb;
$custom-light: #7c7dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4bbb",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 187
  },
  "hsl": {
    "h": 228,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.46303,
    "c": 0.17911,
    "h": 267.9
  },
  "luminance": 0.09224
}

Semantic roles & 50–950 ramp

primary

#2F4BBB

secondary

#C9BA7C

accent

#C345E3

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2F4BBB

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

Preview Lab → · Contrast checker → · Palette generator →