#2F4EB5#2F4EB5

#2F4EB5 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.167 H 266.9°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#2F4EB5
RGB	rgb(47, 78, 181)
HSL	hsl(226, 59%, 45%)
HSV	hsv(226, 74%, 71%)
CMYK	cmyk(74%, 56.9%, 0%, 29%)
CIE-LAB	lab(36.72, 25.21, -57.94)
CIE-LCH	lch(36.72, 63.19, 293.51°)
OKLab	oklab(46.39% -0.0091 -0.1671)
OKLCH	oklch(46.39% 0.167 266.9)
XYZ	xyz(12.2343, 9.3880, 44.8744)
Luminance	0.0939 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4EB5 #B5962F

analogous

#2F91B5 #2F4EB5 #532FB5

triadic

#2F4EB5 #B52F4E #4EB52F

tetradic

#2F4EB5 #B52F91 #B5962F #2FB553

square

#2F4EB5 #B52F91 #B5962F #2FB553

split-complementary

#2F4EB5 #B5532F #91B52F

monochromatic

#162454 #223984 #2F4EB5 #506ED1 #8096DE

Accessibility & contrast

On white

7.30

#2F4EB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2F4EB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4EB5

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4EB5	#FFFFFF	#000000	##FFFFFF
##2F4EB5	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB9

Deuteranopia (green-blind)

#0050B3

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f4eb5;
/* rgb */ color: rgb(47, 78, 181);
/* oklch */ color: oklch(46.4% 0.167 266.9);

Tailwind

colors: {
  custom: {
    50: '#7a7fcc',
    500: '#2f4eb5',
    950: '#000000',
  },
}

SCSS

$custom: #2f4eb5;
$custom-light: #7a7fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4eb5",
  "rgb": {
    "r": 47,
    "g": 78,
    "b": 181
  },
  "hsl": {
    "h": 226.119,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.46387,
    "c": 0.16732,
    "h": 266.9
  },
  "luminance": 0.09389
}

Semantic roles & 50–950 ramp

primary

#2F4EB5

secondary

#C7B579

accent

#BE46E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #2F4EB5

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

Preview Lab → · Contrast checker → · Palette generator →