#2F3378#2F3378

#2F3378 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.9% C 0.116 H 276.4°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#2F3378
RGB	rgb(47, 51, 120)
HSL	hsl(237, 44%, 33%)
HSV	hsv(237, 61%, 47%)
CMYK	cmyk(60.8%, 57.5%, 0%, 52.9%)
CIE-LAB	lab(24.73, 20.68, -40.15)
CIE-LCH	lch(24.73, 45.17, 297.25°)
OKLab	oklab(35.93% 0.0129 -0.1151)
OKLCH	oklch(35.93% 0.116 276.4)
XYZ	xyz(5.7452, 4.3276, 18.2982)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3378 #78742F

analogous

#2F5878 #2F3378 #4F2F78

triadic

#2F3378 #782F33 #33782F

tetradic

#2F3378 #782F58 #78742F #2F784F

square

#2F3378 #782F58 #78742F #2F784F

split-complementary

#2F3378 #784F2F #58782F

monochromatic

#0D0E20 #1E204C #2F3378 #4046A4 #6066C1

Accessibility & contrast

On white

11.26

#2F3378 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2F3378 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3378

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3378	#FFFFFF	#000000	##FFFFFF
##2F3378	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023E7A

Deuteranopia (green-blind)

#003877

Tritanopia (blue-blind)

#004350

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2f3378;
/* rgb */ color: rgb(47, 51, 120);
/* oklch */ color: oklch(35.9% 0.116 276.4);

Tailwind

colors: {
  custom: {
    50: '#6f6a9f',
    500: '#2f3378',
    950: '#000000',
  },
}

SCSS

$custom: #2f3378;
$custom-light: #6f6a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3378",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 120
  },
  "hsl": {
    "h": 236.712,
    "s": 43.713,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35926,
    "c": 0.11584,
    "h": 276.4
  },
  "luminance": 0.04328
}

Semantic roles & 50–950 ramp

primary

#2F3378

secondary

#A8A45B

accent

#CC54D3

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #2F3378

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

Preview Lab → · Contrast checker → · Palette generator →