#2778BD#2778BD

#2778BD is a mid, vivid cyan. Relative luminance 0.175; OKLCH L 55.9% C 0.132 H 248.7°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#2778BD
RGB	rgb(39, 120, 189)
HSL	hsl(208, 66%, 45%)
HSV	hsv(208, 79%, 74%)
CMYK	cmyk(79.4%, 36.5%, 0%, 25.9%)
CIE-LAB	lab(48.93, 0.38, -43.01)
CIE-LCH	lch(48.93, 43.01, 270.50°)
OKLab	oklab(55.88% -0.0479 -0.1225)
OKLCH	oklch(55.88% 0.132 248.7)
XYZ	xyz(16.7350, 17.5364, 50.6371)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2778BD #BD6C27

analogous

#27BDB7 #2778BD #272DBD

triadic

#2778BD #BD2778 #78BD27

tetradic

#2778BD #B727BD #BD6C27 #2DBD27

square

#2778BD #B727BD #BD6C27 #2DBD27

split-complementary

#2778BD #BD272D #BDB727

monochromatic

#123858 #1D588A #2778BD #4896D9 #7BB3E4

Accessibility & contrast

On white

4.66

#2778BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#2778BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2778BD

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2778BD	#FFFFFF	#000000	##FFFFFF
##2778BD	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587CC0

Deuteranopia (green-blind)

#416EBC

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2778bd;
/* rgb */ color: rgb(39, 120, 189);
/* oklch */ color: oklch(55.9% 0.132 248.7);

Tailwind

colors: {
  custom: {
    50: '#789ed1',
    500: '#2778bd',
    950: '#000000',
  },
}

SCSS

$custom: #2778bd;
$custom-light: #789ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#2778bd",
  "rgb": {
    "r": 39,
    "g": 120,
    "b": 189
  },
  "hsl": {
    "h": 207.6,
    "s": 65.789,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55877,
    "c": 0.13156,
    "h": 248.7
  },
  "luminance": 0.17538
}

Semantic roles & 50–950 ramp

primary

#2778BD

secondary

#CC9C74

accent

#8D3FE9

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2778BD

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

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