#2F4BB0#2F4BB0

#2F4BB0 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.164 H 267.6°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#2F4BB0
RGB	rgb(47, 75, 176)
HSL	hsl(227, 58%, 44%)
HSV	hsv(227, 73%, 69%)
CMYK	cmyk(73.3%, 57.4%, 0%, 31%)
CIE-LAB	lab(35.54, 25.31, -56.91)
CIE-LCH	lch(35.54, 62.28, 293.98°)
OKLab	oklab(45.38% -0.007 -0.1641)
OKLCH	oklch(45.38% 0.164 267.6)
XYZ	xyz(11.5221, 8.7699, 42.1514)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4BB0 #B0942F

analogous

#2F8BB0 #2F4BB0 #532FB0

triadic

#2F4BB0 #B02F4B #4BB02F

tetradic

#2F4BB0 #B02F8B #B0942F #2FB053

square

#2F4BB0 #B02F8B #B0942F #2FB053

split-complementary

#2F4BB0 #B0532F #8BB02F

monochromatic

#15224F #223680 #2F4BB0 #4D69CF #7D92DC

Accessibility & contrast

On white

7.62

#2F4BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#2F4BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4BB0

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4BB0	#FFFFFF	#000000	##FFFFFF
##2F4BB0	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB3

Deuteranopia (green-blind)

#004EAE

Tritanopia (blue-blind)

#006476

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f4bb0;
/* rgb */ color: rgb(47, 75, 176);
/* oklch */ color: oklch(45.4% 0.164 267.6);

Tailwind

colors: {
  custom: {
    50: '#797cc8',
    500: '#2f4bb0',
    950: '#000000',
  },
}

SCSS

$custom: #2f4bb0;
$custom-light: #797cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4bb0",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 176
  },
  "hsl": {
    "h": 226.977,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45379,
    "c": 0.16424,
    "h": 267.6
  },
  "luminance": 0.08771
}

Semantic roles & 50–950 ramp

primary

#2F4BB0

secondary

#C5B476

accent

#C047E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F4BB0

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

Preview Lab → · Contrast checker → · Palette generator →