#2F4A91#2F4A91

#2F4A91 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.8% C 0.122 H 265.8°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#2F4A91
RGB	rgb(47, 74, 145)
HSL	hsl(223, 51%, 38%)
HSV	hsv(223, 68%, 57%)
CMYK	cmyk(67.6%, 49%, 0%, 43.1%)
CIE-LAB	lab(33.02, 14.31, -42.33)
CIE-LCH	lch(33.02, 44.69, 288.68°)
OKLab	oklab(42.76% -0.0089 -0.1212)
OKLCH	oklch(42.76% 0.122 265.8)
XYZ	xyz(8.7301, 7.5454, 27.7789)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4A91 #91762F

analogous

#2F7B91 #2F4A91 #452F91

triadic

#2F4A91 #912F4A #4A912F

tetradic

#2F4A91 #912F7B #91762F #2F9145

square

#2F4A91 #912F7B #91762F #2F9145

split-complementary

#2F4A91 #91452F #7B912F

monochromatic

#111B35 #203263 #2F4A91 #3E62BF #6B87CF

Accessibility & contrast

On white

8.37

#2F4A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2F4A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4A91

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4A91	#FFFFFF	#000000	##FFFFFF
##2F4A91	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255294

Deuteranopia (green-blind)

#0F4990

Tritanopia (blue-blind)

#005A66

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f4a91;
/* rgb */ color: rgb(47, 74, 145);
/* oklch */ color: oklch(42.8% 0.122 265.8);

Tailwind

colors: {
  custom: {
    50: '#737cb2',
    500: '#2f4a91',
    950: '#000000',
  },
}

SCSS

$custom: #2f4a91;
$custom-light: #737cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4a91",
  "rgb": {
    "r": 47,
    "g": 74,
    "b": 145
  },
  "hsl": {
    "h": 223.469,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42761,
    "c": 0.12156,
    "h": 265.8
  },
  "luminance": 0.07546
}

Semantic roles & 50–950 ramp

primary

#2F4A91

secondary

#B6A065

accent

#B44DDB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #2F4A91

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

Preview Lab → · Contrast checker → · Palette generator →