#2C3799#2C3799

#2C3799 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.159 H 271.9°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#2C3799
RGB	rgb(44, 55, 153)
HSL	hsl(234, 55%, 39%)
HSV	hsv(234, 71%, 60%)
CMYK	cmyk(71.2%, 64.1%, 0%, 40%)
CIE-LAB	lab(28.29, 29.59, -54.89)
CIE-LCH	lch(28.29, 62.36, 298.33°)
OKLab	oklab(39.37% 0.0053 -0.1585)
OKLCH	oklch(39.37% 0.159 271.9)
XYZ	xyz(8.1527, 5.5670, 30.7757)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3799 #998E2C

analogous

#2C6D99 #2C3799 #572C99

triadic

#2C3799 #992C37 #37992C

tetradic

#2C3799 #992C6D #998E2C #2C9957

square

#2C3799 #992C6D #998E2C #2C9957

split-complementary

#2C3799 #99572C #6D992C

monochromatic

#11153A #1E2669 #2C3799 #3B49C7 #6B76D4

Accessibility & contrast

On white

9.94

#2C3799 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2C3799 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3799

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3799	#FFFFFF	#000000	##FFFFFF
##2C3799	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489C

Deuteranopia (green-blind)

#003E97

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2c3799;
/* rgb */ color: rgb(44, 55, 153);
/* oklch */ color: oklch(39.4% 0.159 271.9);

Tailwind

colors: {
  custom: {
    50: '#756eb8',
    500: '#2c3799',
    950: '#000000',
  },
}

SCSS

$custom: #2c3799;
$custom-light: #756eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3799",
  "rgb": {
    "r": 44,
    "g": 55,
    "b": 153
  },
  "hsl": {
    "h": 233.945,
    "s": 55.33,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39365,
    "c": 0.15855,
    "h": 271.9
  },
  "luminance": 0.05568
}

Semantic roles & 50–950 ramp

primary

#2C3799

secondary

#BBB366

accent

#D049DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2C3799

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

Preview Lab → · Contrast checker → · Palette generator →