#42779C#42779C

#42779C is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.8% C 0.081 H 240.8°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#42779C
RGB	rgb(66, 119, 156)
HSL	hsl(205, 41%, 44%)
HSV	hsv(205, 58%, 61%)
CMYK	cmyk(57.7%, 23.7%, 0%, 38.8%)
CIE-LAB	lab(47.94, -6.37, -25.30)
CIE-LCH	lch(47.94, 26.09, 255.86°)
OKLab	oklab(54.83% -0.0395 -0.0708)
OKLCH	oklch(54.83% 0.081 240.8)
XYZ	xyz(14.8421, 16.7509, 33.8971)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42779C #9C6742

analogous

#429C94 #42779C #424A9C

triadic

#42779C #9C4277 #779C42

tetradic

#42779C #94429C #9C6742 #4A9C42

square

#42779C #94429C #9C6742 #4A9C42

split-complementary

#42779C #9C424A #9C9442

monochromatic

#1E3546 #305671 #42779C #6096BC #8BB2CE

Accessibility & contrast

On white

4.83

#42779C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#42779C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42779C

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42779C	#FFFFFF	#000000	##FFFFFF
##42779C	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)

#67779E

Deuteranopia (green-blind)

#5A6E9B

Tritanopia (blue-blind)

#008083

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #42779c;
/* rgb */ color: rgb(66, 119, 156);
/* oklch */ color: oklch(54.8% 0.081 240.8);

Tailwind

colors: {
  custom: {
    50: '#7e9eb9',
    500: '#42779c',
    950: '#000000',
  },
}

SCSS

$custom: #42779c;
$custom-light: #7e9eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#42779c",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 156
  },
  "hsl": {
    "h": 204.667,
    "s": 40.541,
    "l": 43.529
  },
  "oklch": {
    "l": 0.54832,
    "c": 0.08107,
    "h": 240.8
  },
  "luminance": 0.16752
}

Semantic roles & 50–950 ramp

primary

#42779C

secondary

#B99881

accent

#8957D0

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #42779C

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

Preview Lab → · Contrast checker → · Palette generator →