#2C3B79#2C3B79

#2C3B79 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.5% C 0.107 H 270.3°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#2C3B79
RGB	rgb(44, 59, 121)
HSL	hsl(228, 47%, 32%)
HSV	hsv(228, 64%, 47%)
CMYK	cmyk(63.6%, 51.2%, 0%, 52.5%)
CIE-LAB	lab(26.86, 14.93, -37.36)
CIE-LCH	lch(26.86, 40.23, 291.79°)
OKLab	oklab(37.5% 0.0006 -0.1069)
OKLCH	oklch(37.5% 0.107 270.3)
XYZ	xyz(6.0527, 5.0434, 18.7400)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3B79 #796A2C

analogous

#2C6179 #2C3B79 #442C79

triadic

#2C3B79 #792C3B #3B792C

tetradic

#2C3B79 #792C61 #796A2C #2C7944

square

#2C3B79 #792C61 #796A2C #2C7944

split-complementary

#2C3B79 #79442C #61792C

monochromatic

#0B0F1F #1C254C #2C3B79 #3C51A6 #5C70C4

Accessibility & contrast

On white

10.45

#2C3B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2C3B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3B79

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3B79	#FFFFFF	#000000	##FFFFFF
##2C3B79	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B437B

Deuteranopia (green-blind)

#0B3C78

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2c3b79;
/* rgb */ color: rgb(44, 59, 121);
/* oklch */ color: oklch(37.5% 0.107 270.3);

Tailwind

colors: {
  custom: {
    50: '#6d70a0',
    500: '#2c3b79',
    950: '#000000',
  },
}

SCSS

$custom: #2c3b79;
$custom-light: #6d70a0;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3b79",
  "rgb": {
    "r": 44,
    "g": 59,
    "b": 121
  },
  "hsl": {
    "h": 228.312,
    "s": 46.667,
    "l": 32.353
  },
  "oklch": {
    "l": 0.375,
    "c": 0.10688,
    "h": 270.3
  },
  "luminance": 0.05044
}

Semantic roles & 50–950 ramp

primary

#2C3B79

secondary

#AA9A57

accent

#BC51D6

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#08070F

muted

#7B7A7E

Preview Lab

Preview with #2C3B79

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

Preview Lab → · Contrast checker → · Palette generator →