#2F3A90#2F3A90

#2F3A90 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.141 H 272.6°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#2F3A90
RGB	rgb(47, 58, 144)
HSL	hsl(233, 51%, 37%)
HSV	hsv(233, 67%, 56%)
CMYK	cmyk(67.4%, 59.7%, 0%, 43.5%)
CIE-LAB	lab(28.49, 24.73, -49.03)
CIE-LCH	lch(28.49, 54.92, 296.76°)
OKLab	oklab(39.33% 0.0064 -0.1412)
OKLCH	oklch(39.33% 0.141 272.6)
XYZ	xyz(7.7177, 5.6434, 27.0627)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3A90 #90852F

analogous

#2F6A90 #2F3A90 #552F90

triadic

#2F3A90 #902F3A #3A902F

tetradic

#2F3A90 #902F6A #90852F #2F9055

square

#2F3A90 #902F6A #90852F #2F9055

split-complementary

#2F3A90 #90552F #6A902F

monochromatic

#111534 #202762 #2F3A90 #3E4DBE #6B76CF

Accessibility & contrast

On white

9.86

#2F3A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2F3A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3A90

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3A90	#FFFFFF	#000000	##FFFFFF
##2F3A90	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#003F8E

Tritanopia (blue-blind)

#004F5F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f3a90;
/* rgb */ color: rgb(47, 58, 144);
/* oklch */ color: oklch(39.3% 0.141 272.6);

Tailwind

colors: {
  custom: {
    50: '#7470b1',
    500: '#2f3a90',
    950: '#000000',
  },
}

SCSS

$custom: #2f3a90;
$custom-light: #7470b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3a90",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 144
  },
  "hsl": {
    "h": 233.196,
    "s": 50.785,
    "l": 37.451
  },
  "oklch": {
    "l": 0.39327,
    "c": 0.14131,
    "h": 272.6
  },
  "luminance": 0.05644
}

Semantic roles & 50–950 ramp

primary

#2F3A90

secondary

#B6AD65

accent

#CA4EDA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3A90

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

Preview Lab → · Contrast checker → · Palette generator →