#2C77B8#2C77B8

#2C77B8 is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.5% C 0.125 H 248.5°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#2C77B8
RGB	rgb(44, 119, 184)
HSL	hsl(208, 61%, 45%)
HSV	hsv(208, 76%, 72%)
CMYK	cmyk(76.1%, 35.3%, 0%, 27.8%)
CIE-LAB	lab(48.50, -0.30, -40.80)
CIE-LCH	lch(48.50, 40.80, 269.58°)
OKLab	oklab(55.49% -0.0457 -0.116)
OKLCH	oklch(55.49% 0.125 248.5)
XYZ	xyz(16.2840, 17.1879, 47.7975)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C77B8 #B86D2C

analogous

#2CB8B3 #2C77B8 #2C31B8

triadic

#2C77B8 #B82C77 #77B82C

tetradic

#2C77B8 #B32CB8 #B86D2C #31B82C

square

#2C77B8 #B32CB8 #B86D2C #31B82C

split-complementary

#2C77B8 #B82C31 #B8B32C

monochromatic

#143755 #205787 #2C77B8 #4D95D4 #7EB3E0

Accessibility & contrast

On white

4.73

#2C77B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#2C77B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C77B8

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C77B8	#FFFFFF	#000000	##FFFFFF
##2C77B8	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597ABB

Deuteranopia (green-blind)

#456DB7

Tritanopia (blue-blind)

#00878F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2c77b8;
/* rgb */ color: rgb(44, 119, 184);
/* oklch */ color: oklch(55.5% 0.125 248.5);

Tailwind

colors: {
  custom: {
    50: '#799dcd',
    500: '#2c77b8',
    950: '#000000',
  },
}

SCSS

$custom: #2c77b8;
$custom-light: #799dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#2c77b8",
  "rgb": {
    "r": 44,
    "g": 119,
    "b": 184
  },
  "hsl": {
    "h": 207.857,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55487,
    "c": 0.12474,
    "h": 248.5
  },
  "luminance": 0.1719
}

Semantic roles & 50–950 ramp

primary

#2C77B8

secondary

#C99D77

accent

#8E43E5

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2C77B8

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

Preview Lab → · Contrast checker → · Palette generator →