#2C78AC#2C78AC

#2C78AC is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.0% C 0.109 H 242.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#2C78AC
RGB	rgb(44, 120, 172)
HSL	hsl(204, 59%, 42%)
HSV	hsv(204, 74%, 67%)
CMYK	cmyk(74.4%, 30.2%, 0%, 32.5%)
CIE-LAB	lab(48.19, -5.30, -34.32)
CIE-LCH	lch(48.19, 34.73, 261.23°)
OKLab	oklab(55.05% -0.0503 -0.0971)
OKLCH	oklch(55.05% 0.109 242.6)
XYZ	xyz(15.1987, 16.9452, 41.4915)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C78AC #AC602C

analogous

#2CACA0 #2C78AC #2C38AC

triadic

#2C78AC #AC2C78 #78AC2C

tetradic

#2C78AC #A02CAC #AC602C #38AC2C

square

#2C78AC #A02CAC #AC602C #38AC2C

split-complementary

#2C78AC #AC2C38 #ACA02C

monochromatic

#13344B #20567B #2C78AC #4698D0 #76B3DC

Accessibility & contrast

On white

4.78

#2C78AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#2C78AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C78AC

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C78AC	#FFFFFF	#000000	##FFFFFF
##2C78AC	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6079AE

Deuteranopia (green-blind)

#4E6DAB

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2c78ac;
/* rgb */ color: rgb(44, 120, 172);
/* oklch */ color: oklch(55.0% 0.109 242.6);

Tailwind

colors: {
  custom: {
    50: '#779ec5',
    500: '#2c78ac',
    950: '#000000',
  },
}

SCSS

$custom: #2c78ac;
$custom-light: #779ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#2c78ac",
  "rgb": {
    "r": 44,
    "g": 120,
    "b": 172
  },
  "hsl": {
    "h": 204.375,
    "s": 59.259,
    "l": 42.353
  },
  "oklch": {
    "l": 0.55048,
    "c": 0.10937,
    "h": 242.6
  },
  "luminance": 0.16947
}

Semantic roles & 50–950 ramp

primary

#2C78AC

secondary

#C49270

accent

#8545E2

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2C78AC

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

Preview Lab → · Contrast checker → · Palette generator →