#2C3A71#2C3A71

#2C3A71 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.096 H 270.4°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#2C3A71
RGB	rgb(44, 58, 113)
HSL	hsl(228, 44%, 31%)
HSV	hsv(228, 61%, 44%)
CMYK	cmyk(61.1%, 48.7%, 0%, 55.7%)
CIE-LAB	lab(26.02, 12.64, -33.63)
CIE-LCH	lch(26.02, 35.93, 290.60°)
OKLab	oklab(36.69% 0.0006 -0.0959)
OKLCH	oklch(36.69% 0.096 270.4)
XYZ	xyz(5.5314, 4.7534, 16.2456)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3A71 #71632C

analogous

#2C5C71 #2C3A71 #402C71

triadic

#2C3A71 #712C3A #3A712C

tetradic

#2C3A71 #712C5C #71632C #2C7140

square

#2C3A71 #712C5C #71632C #2C7140

split-complementary

#2C3A71 #71402C #5C712C

monochromatic

#0A0D19 #1B2345 #2C3A71 #3D519D #596EBE

Accessibility & contrast

On white

10.76

#2C3A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2C3A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3A71

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3A71	#FFFFFF	#000000	##FFFFFF
##2C3A71	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204173

Deuteranopia (green-blind)

#163B70

Tritanopia (blue-blind)

#004650

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2c3a71;
/* rgb */ color: rgb(44, 58, 113);
/* oklch */ color: oklch(36.7% 0.096 270.4);

Tailwind

colors: {
  custom: {
    50: '#6c6f9a',
    500: '#2c3a71',
    950: '#000000',
  },
}

SCSS

$custom: #2c3a71;
$custom-light: #6c6f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3a71",
  "rgb": {
    "r": 44,
    "g": 58,
    "b": 113
  },
  "hsl": {
    "h": 227.826,
    "s": 43.949,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36688,
    "c": 0.09593,
    "h": 270.4
  },
  "luminance": 0.04754
}

Semantic roles & 50–950 ramp

primary

#2C3A71

secondary

#A39356

accent

#BA54D4

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2C3A71

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

Preview Lab → · Contrast checker → · Palette generator →