#2C3F79#2C3F79

#2C3F79 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.4% C 0.101 H 267.8°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#2C3F79
RGB	rgb(44, 63, 121)
HSL	hsl(225, 47%, 32%)
HSV	hsv(225, 64%, 47%)
CMYK	cmyk(63.6%, 47.9%, 0%, 52.5%)
CIE-LAB	lab(28.04, 12.18, -35.47)
CIE-LCH	lch(28.04, 37.50, 288.96°)
OKLab	oklab(38.4% -0.0039 -0.1013)
OKLCH	oklch(38.4% 0.101 267.8)
XYZ	xyz(6.2662, 5.4704, 18.8111)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3F79 #79662C

analogous

#2C6679 #2C3F79 #402C79

triadic

#2C3F79 #792C3F #3F792C

tetradic

#2C3F79 #792C66 #79662C #2C7940

square

#2C3F79 #792C66 #79662C #2C7940

split-complementary

#2C3F79 #79402C #66792C

monochromatic

#0B101F #1C284C #2C3F79 #3C56A6 #5C75C4

Accessibility & contrast

On white

10.03

#2C3F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2C3F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3F79

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3F79	#FFFFFF	#000000	##FFFFFF
##2C3F79	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23467B

Deuteranopia (green-blind)

#173F78

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2c3f79;
/* rgb */ color: rgb(44, 63, 121);
/* oklch */ color: oklch(38.4% 0.101 267.8);

Tailwind

colors: {
  custom: {
    50: '#6d73a0',
    500: '#2c3f79',
    950: '#000000',
  },
}

SCSS

$custom: #2c3f79;
$custom-light: #6d73a0;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3f79",
  "rgb": {
    "r": 44,
    "g": 63,
    "b": 121
  },
  "hsl": {
    "h": 225.195,
    "s": 46.667,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38397,
    "c": 0.10135,
    "h": 267.8
  },
  "luminance": 0.05471
}

Semantic roles & 50–950 ramp

primary

#2C3F79

secondary

#AA9557

accent

#B651D6

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #2C3F79

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

Preview Lab → · Contrast checker → · Palette generator →