#2F3499#2F3499

#2F3499 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.161 H 273.9°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#2F3499
RGB	rgb(47, 52, 153)
HSL	hsl(237, 53%, 39%)
HSV	hsv(237, 69%, 60%)
CMYK	cmyk(69.3%, 66%, 0%, 40%)
CIE-LAB	lab(27.74, 31.95, -55.79)
CIE-LCH	lch(27.74, 64.29, 299.80°)
OKLab	oklab(39.01% 0.011 -0.1611)
OKLCH	oklch(39.01% 0.161 273.9)
XYZ	xyz(8.1481, 5.3595, 30.7359)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3499 #99942F

analogous

#2F6999 #2F3499 #5F2F99

triadic

#2F3499 #992F34 #34992F

tetradic

#2F3499 #992F69 #99942F #2F995F

square

#2F3499 #992F69 #99942F #2F995F

split-complementary

#2F3499 #995F2F #69992F

monochromatic

#12143B #21246A #2F3499 #4147C5 #6F74D3

Accessibility & contrast

On white

10.14

#2F3499 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2F3499 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3499

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3499	#FFFFFF	#000000	##FFFFFF
##2F3499	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f3499;
/* rgb */ color: rgb(47, 52, 153);
/* oklch */ color: oklch(39.0% 0.161 273.9);

Tailwind

colors: {
  custom: {
    50: '#766cb8',
    500: '#2f3499',
    950: '#000000',
  },
}

SCSS

$custom: #2f3499;
$custom-light: #766cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3499",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 153
  },
  "hsl": {
    "h": 237.17,
    "s": 53,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39006,
    "c": 0.16143,
    "h": 273.9
  },
  "luminance": 0.0536
}

Semantic roles & 50–950 ramp

primary

#2F3499

secondary

#BAB769

accent

#D64BDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #2F3499

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

Preview Lab → · Contrast checker → · Palette generator →