#2778C5#2778C5

#2778C5 is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.4% C 0.142 H 251.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#2778C5
RGB	rgb(39, 120, 197)
HSL	hsl(209, 67%, 46%)
HSV	hsv(209, 80%, 77%)
CMYK	cmyk(80.2%, 39.1%, 0%, 22.7%)
CIE-LAB	lab(49.37, 3.38, -46.91)
CIE-LCH	lch(49.37, 47.03, 274.13°)
OKLab	oklab(56.36% -0.0458 -0.134)
OKLCH	oklch(56.36% 0.142 251.1)
XYZ	xyz(17.6274, 17.8933, 55.3372)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2778C5 #C57427

analogous

#27C5C3 #2778C5 #2729C5

triadic

#2778C5 #C52778 #78C527

tetradic

#2778C5 #C327C5 #C57427 #29C527

square

#2778C5 #C327C5 #C57427 #29C527

split-complementary

#2778C5 #C52729 #C5C327

monochromatic

#133A5F #1D5992 #2778C5 #4D96DC #80B4E6

Accessibility & contrast

On white

4.59

#2778C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#2778C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2778C5

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2778C5	#FFFFFF	#000000	##FFFFFF
##2778C5	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#537DC8

Deuteranopia (green-blind)

#3A6FC3

Tritanopia (blue-blind)

#008A95

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #2778c5;
/* rgb */ color: rgb(39, 120, 197);
/* oklch */ color: oklch(56.4% 0.142 251.1);

Tailwind

colors: {
  custom: {
    50: '#7a9ed7',
    500: '#2778c5',
    950: '#000000',
  },
}

SCSS

$custom: #2778c5;
$custom-light: #7a9ed7;
$custom-dark: #000000;

JSON

{
  "hex": "#2778c5",
  "rgb": {
    "r": 39,
    "g": 120,
    "b": 197
  },
  "hsl": {
    "h": 209.241,
    "s": 66.949,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56362,
    "c": 0.14159,
    "h": 251.1
  },
  "luminance": 0.17895
}

Semantic roles & 50–950 ramp

primary

#2778C5

secondary

#CFA379

accent

#923EEA

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #2778C5

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

Preview Lab → · Contrast checker → · Palette generator →