#2778AD#2778AD

#2778AD is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.0% C 0.112 H 242.1°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#2778AD
RGB	rgb(39, 120, 173)
HSL	hsl(204, 63%, 42%)
HSV	hsv(204, 77%, 68%)
CMYK	cmyk(77.5%, 30.6%, 0%, 32.2%)
CIE-LAB	lab(48.11, -5.57, -35.05)
CIE-LCH	lch(48.11, 35.48, 260.97°)
OKLab	oklab(54.96% -0.0526 -0.0993)
OKLCH	oklch(54.96% 0.112 242.1)
XYZ	xyz(15.0931, 16.8796, 41.9897)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2778AD #AD5C27

analogous

#27AD9F #2778AD #2735AD

triadic

#2778AD #AD2778 #78AD27

tetradic

#2778AD #9F27AD #AD5C27 #35AD27

square

#2778AD #9F27AD #AD5C27 #35AD27

split-complementary

#2778AD #AD2735 #AD9F27

monochromatic

#103349 #1C557B #2778AD #3E98D3 #70B3DF

Accessibility & contrast

On white

4.80

#2778AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#2778AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2778AD

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2778AD	#FFFFFF	#000000	##FFFFFF
##2778AD	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F79AF

Deuteranopia (green-blind)

#4D6DAC

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2778ad;
/* rgb */ color: rgb(39, 120, 173);
/* oklch */ color: oklch(55.0% 0.112 242.1);

Tailwind

colors: {
  custom: {
    50: '#759ec5',
    500: '#2778ad',
    950: '#000000',
  },
}

SCSS

$custom: #2778ad;
$custom-light: #759ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#2778ad",
  "rgb": {
    "r": 39,
    "g": 120,
    "b": 173
  },
  "hsl": {
    "h": 203.731,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.54961,
    "c": 0.11233,
    "h": 242.1
  },
  "luminance": 0.16881
}

Semantic roles & 50–950 ramp

primary

#2778AD

secondary

#C68E6A

accent

#8342E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2778AD

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

Preview Lab → · Contrast checker → · Palette generator →