#2C78AA#2C78AA

#2C78AA is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.9% C 0.107 H 241.6°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#2C78AA
RGB	rgb(44, 120, 170)
HSL	hsl(204, 59%, 42%)
HSV	hsv(204, 74%, 67%)
CMYK	cmyk(74.1%, 29.4%, 0%, 33.3%)
CIE-LAB	lab(48.09, -6.02, -33.31)
CIE-LCH	lch(48.09, 33.85, 259.76°)
OKLab	oklab(54.94% -0.0509 -0.0942)
OKLCH	oklch(54.94% 0.107 241.6)
XYZ	xyz(15.0081, 16.8690, 40.4875)
Luminance	0.1687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C78AA #AA5E2C

analogous

#2CAA9D #2C78AA #2C39AA

triadic

#2C78AA #AA2C78 #78AA2C

tetradic

#2C78AA #9D2CAA #AA5E2C #39AA2C

square

#2C78AA #9D2CAA #AA5E2C #39AA2C

split-complementary

#2C78AA #AA2C39 #AA9D2C

monochromatic

#133349 #1F5679 #2C78AA #4498CF #75B3DB

Accessibility & contrast

On white

4.80

#2C78AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#2C78AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C78AA

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C78AA	#FFFFFF	#000000	##FFFFFF
##2C78AA	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6179AC

Deuteranopia (green-blind)

#506DA9

Tritanopia (blue-blind)

#008489

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2c78aa;
/* rgb */ color: rgb(44, 120, 170);
/* oklch */ color: oklch(54.9% 0.107 241.6);

Tailwind

colors: {
  custom: {
    50: '#769ec3',
    500: '#2c78aa',
    950: '#000000',
  },
}

SCSS

$custom: #2c78aa;
$custom-light: #769ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2c78aa",
  "rgb": {
    "r": 44,
    "g": 120,
    "b": 170
  },
  "hsl": {
    "h": 203.81,
    "s": 58.879,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5494,
    "c": 0.10706,
    "h": 241.6
  },
  "luminance": 0.16871
}

Semantic roles & 50–950 ramp

primary

#2C78AA

secondary

#C3906F

accent

#8446E2

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #2C78AA

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

Preview Lab → · Contrast checker → · Palette generator →