#2C3379#2C3379

#2C3379 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.8% C 0.118 H 274.5°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#2C3379
RGB	rgb(44, 51, 121)
HSL	hsl(235, 47%, 32%)
HSV	hsv(235, 64%, 47%)
CMYK	cmyk(63.6%, 57.9%, 0%, 52.5%)
CIE-LAB	lab(24.59, 20.46, -41.02)
CIE-LCH	lch(24.59, 45.84, 296.50°)
OKLab	oklab(35.79% 0.0092 -0.1178)
OKLCH	oklch(35.79% 0.118 274.5)
XYZ	xyz(5.6726, 4.2831, 18.6133)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3379 #79722C

analogous

#2C5A79 #2C3379 #4B2C79

triadic

#2C3379 #792C33 #33792C

tetradic

#2C3379 #792C5A #79722C #2C794B

square

#2C3379 #792C5A #79722C #2C794B

split-complementary

#2C3379 #794B2C #5A792C

monochromatic

#0B0D1F #1C204C #2C3379 #3C46A6 #5C65C4

Accessibility & contrast

On white

11.31

#2C3379 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2C3379 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3379

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3379	#FFFFFF	#000000	##FFFFFF
##2C3379	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7B

Deuteranopia (green-blind)

#003778

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2c3379;
/* rgb */ color: rgb(44, 51, 121);
/* oklch */ color: oklch(35.8% 0.118 274.5);

Tailwind

colors: {
  custom: {
    50: '#6e6aa0',
    500: '#2c3379',
    950: '#000000',
  },
}

SCSS

$custom: #2c3379;
$custom-light: #6e6aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3379",
  "rgb": {
    "r": 44,
    "g": 51,
    "b": 121
  },
  "hsl": {
    "h": 234.545,
    "s": 46.667,
    "l": 32.353
  },
  "oklch": {
    "l": 0.3579,
    "c": 0.11813,
    "h": 274.5
  },
  "luminance": 0.04284
}

Semantic roles & 50–950 ramp

primary

#2C3379

secondary

#AAA257

accent

#CA51D6

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #2C3379

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

Preview Lab → · Contrast checker → · Palette generator →