#2F4CB8#2F4CB8

#2F4CB8 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.2% C 0.174 H 267.5°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#2F4CB8
RGB	rgb(47, 76, 184)
HSL	hsl(227, 59%, 45%)
HSV	hsv(227, 74%, 72%)
CMYK	cmyk(74.5%, 58.7%, 0%, 27.8%)
CIE-LAB	lab(36.43, 27.64, -60.18)
CIE-LCH	lch(36.43, 66.23, 294.67°)
OKLab	oklab(46.24% -0.0075 -0.1737)
OKLCH	oklch(46.24% 0.174 267.5)
XYZ	xyz(12.4055, 9.2326, 46.4664)
Luminance	0.0923 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4CB8 #B89B2F

analogous

#2F91B8 #2F4CB8 #562FB8

triadic

#2F4CB8 #B82F4C #4CB82F

tetradic

#2F4CB8 #B82F91 #B89B2F #2FB856

square

#2F4CB8 #B82F91 #B89B2F #2FB856

split-complementary

#2F4CB8 #B8562F #91B82F

monochromatic

#162457 #233887 #2F4CB8 #526DD3 #8296DF

Accessibility & contrast

On white

7.38

#2F4CB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#2F4CB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4CB8

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4CB8	#FFFFFF	#000000	##FFFFFF
##2F4CB8	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBC

Deuteranopia (green-blind)

#0050B6

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f4cb8;
/* rgb */ color: rgb(47, 76, 184);
/* oklch */ color: oklch(46.2% 0.174 267.5);

Tailwind

colors: {
  custom: {
    50: '#7b7dce',
    500: '#2f4cb8',
    950: '#000000',
  },
}

SCSS

$custom: #2f4cb8;
$custom-light: #7b7dce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4cb8",
  "rgb": {
    "r": 47,
    "g": 76,
    "b": 184
  },
  "hsl": {
    "h": 227.299,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46242,
    "c": 0.17386,
    "h": 267.5
  },
  "luminance": 0.09234
}

Semantic roles & 50–950 ramp

primary

#2F4CB8

secondary

#C8B87B

accent

#C145E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2F4CB8

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

Preview Lab → · Contrast checker → · Palette generator →