#2779B1#2779B1

#2779B1 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.4% C 0.116 H 243.3°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#2779B1
RGB	rgb(39, 121, 177)
HSL	hsl(204, 64%, 42%)
HSV	hsv(204, 78%, 69%)
CMYK	cmyk(78%, 31.6%, 0%, 30.6%)
CIE-LAB	lab(48.61, -4.69, -36.58)
CIE-LCH	lch(48.61, 36.88, 262.69°)
OKLab	oklab(55.42% -0.0522 -0.1037)
OKLCH	oklch(55.42% 0.116 243.3)
XYZ	xyz(15.6068, 17.2785, 44.0990)
Luminance	0.1728 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2779B1 #B15F27

analogous

#27B1A4 #2779B1 #2734B1

triadic

#2779B1 #B12779 #79B127

tetradic

#2779B1 #A427B1 #B15F27 #34B127

square

#2779B1 #A427B1 #B15F27 #34B127

split-complementary

#2779B1 #B12734 #B1A427

monochromatic

#11344D #1C577F #2779B1 #4099D5 #72B4E0

Accessibility & contrast

On white

4.71

#2779B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#2779B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2779B1

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2779B1	#FFFFFF	#000000	##FFFFFF
##2779B1	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7AB3

Deuteranopia (green-blind)

#4C6EB0

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2779b1;
/* rgb */ color: rgb(39, 121, 177);
/* oklch */ color: oklch(55.4% 0.116 243.3);

Tailwind

colors: {
  custom: {
    50: '#769fc8',
    500: '#2779b1',
    950: '#000000',
  },
}

SCSS

$custom: #2779b1;
$custom-light: #769fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2779b1",
  "rgb": {
    "r": 39,
    "g": 121,
    "b": 177
  },
  "hsl": {
    "h": 204.348,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.55422,
    "c": 0.11616,
    "h": 243.3
  },
  "luminance": 0.1728
}

Semantic roles & 50–950 ramp

primary

#2779B1

secondary

#C7916D

accent

#8441E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2779B1

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

Preview Lab → · Contrast checker → · Palette generator →