#2778C4#2778C4

#2778C4 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.3% C 0.140 H 250.8°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#2778C4
RGB	rgb(39, 120, 196)
HSL	hsl(209, 67%, 46%)
HSV	hsv(209, 80%, 77%)
CMYK	cmyk(80.1%, 38.8%, 0%, 23.1%)
CIE-LAB	lab(49.31, 3.01, -46.42)
CIE-LCH	lch(49.31, 46.52, 273.71°)
OKLab	oklab(56.3% -0.0461 -0.1325)
OKLCH	oklch(56.3% 0.14 250.8)
XYZ	xyz(17.5132, 17.8477, 54.7358)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2778C4 #C47327

analogous

#27C4C1 #2778C4 #2729C4

triadic

#2778C4 #C42778 #78C427

tetradic

#2778C4 #C127C4 #C47327 #29C427

square

#2778C4 #C127C4 #C47327 #29C427

split-complementary

#2778C4 #C42729 #C4C127

monochromatic

#13395E #1D5991 #2778C4 #4D96DC #80B4E6

Accessibility & contrast

On white

4.60

#2778C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#2778C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2778C4

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2778C4	#FFFFFF	#000000	##FFFFFF
##2778C4	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547DC7

Deuteranopia (green-blind)

#3B6FC3

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #2778c4;
/* rgb */ color: rgb(39, 120, 196);
/* oklch */ color: oklch(56.3% 0.140 250.8);

Tailwind

colors: {
  custom: {
    50: '#7a9ed6',
    500: '#2778c4',
    950: '#000000',
  },
}

SCSS

$custom: #2778c4;
$custom-light: #7a9ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#2778c4",
  "rgb": {
    "r": 39,
    "g": 120,
    "b": 196
  },
  "hsl": {
    "h": 209.045,
    "s": 66.809,
    "l": 46.078
  },
  "oklch": {
    "l": 0.563,
    "c": 0.14033,
    "h": 250.8
  },
  "luminance": 0.1785
}

Semantic roles & 50–950 ramp

primary

#2778C4

secondary

#CEA279

accent

#913EEA

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #2778C4

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

Preview Lab → · Contrast checker → · Palette generator →