#2F4D9A#2F4D9A

#2F4D9A is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.1% C 0.131 H 265.4°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#2F4D9A
RGB	rgb(47, 77, 154)
HSL	hsl(223, 53%, 39%)
HSV	hsv(223, 69%, 60%)
CMYK	cmyk(69.5%, 50%, 0%, 39.6%)
CIE-LAB	lab(34.49, 15.70, -45.44)
CIE-LCH	lch(34.49, 48.07, 289.06°)
OKLab	oklab(44.08% -0.0106 -0.1303)
OKLCH	oklch(44.08% 0.131 265.4)
XYZ	xyz(9.6569, 8.2442, 31.6480)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4D9A #9A7C2F

analogous

#2F839A #2F4D9A #472F9A

triadic

#2F4D9A #9A2F4D #4D9A2F

tetradic

#2F4D9A #9A2F83 #9A7C2F #2F9A47

square

#2F4D9A #9A2F83 #9A7C2F #2F9A47

split-complementary

#2F4D9A #9A472F #839A2F

monochromatic

#121E3C #21366B #2F4D9A #4166C5 #708CD3

Accessibility & contrast

On white

7.93

#2F4D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#2F4D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4D9A

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4D9A	#FFFFFF	#000000	##FFFFFF
##2F4D9A	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22569D

Deuteranopia (green-blind)

#024C98

Tritanopia (blue-blind)

#005F6C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f4d9a;
/* rgb */ color: rgb(47, 77, 154);
/* oklch */ color: oklch(44.1% 0.131 265.4);

Tailwind

colors: {
  custom: {
    50: '#757eb8',
    500: '#2f4d9a',
    950: '#000000',
  },
}

SCSS

$custom: #2f4d9a;
$custom-light: #757eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4d9a",
  "rgb": {
    "r": 47,
    "g": 77,
    "b": 154
  },
  "hsl": {
    "h": 223.178,
    "s": 53.234,
    "l": 39.412
  },
  "oklch": {
    "l": 0.44076,
    "c": 0.13075,
    "h": 265.4
  },
  "luminance": 0.08245
}

Semantic roles & 50–950 ramp

primary

#2F4D9A

secondary

#BBA46A

accent

#B44BDD

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #2F4D9A

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

Preview Lab → · Contrast checker → · Palette generator →