#2777B0#2777B0

#2777B0 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.9% C 0.117 H 244.3°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#2777B0
RGB	rgb(39, 119, 176)
HSL	hsl(205, 64%, 42%)
HSV	hsv(205, 78%, 69%)
CMYK	cmyk(77.8%, 32.4%, 0%, 31%)
CIE-LAB	lab(47.95, -3.87, -37.03)
CIE-LCH	lch(47.95, 37.23, 264.04°)
OKLab	oklab(54.89% -0.0507 -0.1051)
OKLCH	oklch(54.89% 0.117 244.3)
XYZ	xyz(15.2670, 16.7578, 43.4958)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2777B0 #B06027

analogous

#27B0A5 #2777B0 #2732B0

triadic

#2777B0 #B02777 #77B027

tetradic

#2777B0 #A527B0 #B06027 #32B027

square

#2777B0 #A527B0 #B06027 #32B027

split-complementary

#2777B0 #B02732 #B0A527

monochromatic

#11334C #1C557E #2777B0 #4097D5 #72B2E0

Accessibility & contrast

On white

4.83

#2777B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#2777B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2777B0

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2777B0	#FFFFFF	#000000	##FFFFFF
##2777B0	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D79B2

Deuteranopia (green-blind)

#496CAF

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2777b0;
/* rgb */ color: rgb(39, 119, 176);
/* oklch */ color: oklch(54.9% 0.117 244.3);

Tailwind

colors: {
  custom: {
    50: '#769ec8',
    500: '#2777b0',
    950: '#000000',
  },
}

SCSS

$custom: #2777b0;
$custom-light: #769ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2777b0",
  "rgb": {
    "r": 39,
    "g": 119,
    "b": 176
  },
  "hsl": {
    "h": 204.964,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.54888,
    "c": 0.11667,
    "h": 244.3
  },
  "luminance": 0.1676
}

Semantic roles & 50–950 ramp

primary

#2777B0

secondary

#C7926C

accent

#8641E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2777B0

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

Preview Lab → · Contrast checker → · Palette generator →