#2779B0#2779B0

#2779B0 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.4% C 0.115 H 242.8°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#2779B0
RGB	rgb(39, 121, 176)
HSL	hsl(204, 64%, 42%)
HSV	hsv(204, 78%, 69%)
CMYK	cmyk(77.8%, 31.3%, 0%, 31%)
CIE-LAB	lab(48.56, -5.06, -36.08)
CIE-LCH	lch(48.56, 36.43, 262.02°)
OKLab	oklab(55.37% -0.0526 -0.1023)
OKLCH	oklch(55.37% 0.115 242.8)
XYZ	xyz(15.5075, 17.2388, 43.5760)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2779B0 #B05E27

analogous

#27B0A3 #2779B0 #2734B0

triadic

#2779B0 #B02779 #79B027

tetradic

#2779B0 #A327B0 #B05E27 #34B027

square

#2779B0 #A327B0 #B05E27 #34B027

split-complementary

#2779B0 #B02734 #B0A327

monochromatic

#11344C #1C577E #2779B0 #4099D5 #72B4E0

Accessibility & contrast

On white

4.72

#2779B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#2779B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2779B0

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2779B0	#FFFFFF	#000000	##FFFFFF
##2779B0	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7AB2

Deuteranopia (green-blind)

#4C6EAF

Tritanopia (blue-blind)

#00878C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2779b0;
/* rgb */ color: rgb(39, 121, 176);
/* oklch */ color: oklch(55.4% 0.115 242.8);

Tailwind

colors: {
  custom: {
    50: '#769fc8',
    500: '#2779b0',
    950: '#000000',
  },
}

SCSS

$custom: #2779b0;
$custom-light: #769fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2779b0",
  "rgb": {
    "r": 39,
    "g": 121,
    "b": 176
  },
  "hsl": {
    "h": 204.088,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.55367,
    "c": 0.11499,
    "h": 242.8
  },
  "luminance": 0.17241
}

Semantic roles & 50–950 ramp

primary

#2779B0

secondary

#C7906C

accent

#8441E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2779B0

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

Preview Lab → · Contrast checker → · Palette generator →