#2F4BB1#2F4BB1

#2F4BB1 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.5% C 0.166 H 267.6°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#2F4BB1
RGB	rgb(47, 75, 177)
HSL	hsl(227, 58%, 44%)
HSV	hsv(227, 73%, 69%)
CMYK	cmyk(73.4%, 57.6%, 0%, 30.6%)
CIE-LAB	lab(35.62, 25.69, -57.37)
CIE-LCH	lch(35.62, 62.86, 294.12°)
OKLab	oklab(45.46% -0.0069 -0.1655)
OKLCH	oklch(45.46% 0.166 267.6)
XYZ	xyz(11.6214, 8.8096, 42.6744)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4BB1 #B1952F

analogous

#2F8CB1 #2F4BB1 #542FB1

triadic

#2F4BB1 #B12F4B #4BB12F

tetradic

#2F4BB1 #B12F8C #B1952F #2FB154

square

#2F4BB1 #B12F8C #B1952F #2FB154

split-complementary

#2F4BB1 #B1542F #8CB12F

monochromatic

#152250 #223781 #2F4BB1 #4D69D0 #7E92DD

Accessibility & contrast

On white

7.60

#2F4BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#2F4BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4BB1

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4BB1	#FFFFFF	#000000	##FFFFFF
##2F4BB1	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB4

Deuteranopia (green-blind)

#004EAF

Tritanopia (blue-blind)

#006476

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f4bb1;
/* rgb */ color: rgb(47, 75, 177);
/* oklch */ color: oklch(45.5% 0.166 267.6);

Tailwind

colors: {
  custom: {
    50: '#7a7cc9',
    500: '#2f4bb1',
    950: '#000000',
  },
}

SCSS

$custom: #2f4bb1;
$custom-light: #7a7cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4bb1",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 177
  },
  "hsl": {
    "h": 227.077,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45461,
    "c": 0.16561,
    "h": 267.6
  },
  "luminance": 0.08811
}

Semantic roles & 50–950 ramp

primary

#2F4BB1

secondary

#C5B476

accent

#C047E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F4BB1

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

Preview Lab → · Contrast checker → · Palette generator →