#2F4F9F#2F4F9F

#2F4F9F is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.9% C 0.135 H 265.0°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#2F4F9F
RGB	rgb(47, 79, 159)
HSL	hsl(223, 54%, 40%)
HSV	hsv(223, 70%, 62%)
CMYK	cmyk(70.4%, 50.3%, 0%, 37.6%)
CIE-LAB	lab(35.40, 16.25, -46.98)
CIE-LCH	lch(35.40, 49.72, 289.08°)
OKLab	oklab(44.88% -0.0118 -0.1348)
OKLCH	oklch(44.88% 0.135 265)
XYZ	xyz(10.2241, 8.6985, 33.9343)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4F9F #9F7F2F

analogous

#2F879F #2F4F9F #472F9F

triadic

#2F4F9F #9F2F4F #4F9F2F

tetradic

#2F4F9F #9F2F87 #9F7F2F #2F9F47

square

#2F4F9F #9F2F87 #9F7F2F #2F9F47

split-complementary

#2F4F9F #9F472F #879F2F

monochromatic

#132041 #213870 #2F4F9F #4469C8 #738FD6

Accessibility & contrast

On white

7.66

#2F4F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#2F4F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4F9F

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4F9F	#FFFFFF	#000000	##FFFFFF
##2F4F9F	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2159A2

Deuteranopia (green-blind)

#004E9D

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f4f9f;
/* rgb */ color: rgb(47, 79, 159);
/* oklch */ color: oklch(44.9% 0.135 265.0);

Tailwind

colors: {
  custom: {
    50: '#757fbc',
    500: '#2f4f9f',
    950: '#000000',
  },
}

SCSS

$custom: #2f4f9f;
$custom-light: #757fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4f9f",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 159
  },
  "hsl": {
    "h": 222.857,
    "s": 54.369,
    "l": 40.392
  },
  "oklch": {
    "l": 0.4488,
    "c": 0.13534,
    "h": 265
  },
  "luminance": 0.087
}

Semantic roles & 50–950 ramp

primary

#2F4F9F

secondary

#BDA66D

accent

#B44ADE

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2F4F9F

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

Preview Lab → · Contrast checker → · Palette generator →