#42778F#42778F

#42778F is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.2% C 0.068 H 229.2°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#42778F
RGB	rgb(66, 119, 143)
HSL	hsl(199, 37%, 41%)
HSV	hsv(199, 54%, 56%)
CMYK	cmyk(53.8%, 16.8%, 0%, 43.9%)
CIE-LAB	lab(47.41, -10.52, -18.47)
CIE-LCH	lch(47.41, 21.26, 240.32°)
OKLab	oklab(54.23% -0.0443 -0.0513)
OKLCH	oklch(54.23% 0.068 229.2)
XYZ	xyz(13.7997, 16.3339, 28.4068)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42778F #8F5A42

analogous

#428F80 #42778F #42508F

triadic

#42778F #8F4277 #778F42

tetradic

#42778F #80428F #8F5A42 #508F42

square

#42778F #80428F #8F5A42 #508F42

split-complementary

#42778F #8F4250 #8F8042

monochromatic

#1B313B #2F5465 #42778F #5B98B3 #85B2C7

Accessibility & contrast

On white

4.92

#42778F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#42778F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42778F

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42778F	#FFFFFF	#000000	##FFFFFF
##42778F	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7590

Deuteranopia (green-blind)

#606D8F

Tritanopia (blue-blind)

#107E7F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #42778f;
/* rgb */ color: rgb(66, 119, 143);
/* oklch */ color: oklch(54.2% 0.068 229.2);

Tailwind

colors: {
  custom: {
    50: '#7c9eaf',
    500: '#42778f',
    950: '#000000',
  },
}

SCSS

$custom: #42778f;
$custom-light: #7c9eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#42778f",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 143
  },
  "hsl": {
    "h": 198.701,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.54231,
    "c": 0.06781,
    "h": 229.2
  },
  "luminance": 0.16335
}

Semantic roles & 50–950 ramp

primary

#42778F

secondary

#B18C7B

accent

#7E5BCD

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0E10

muted

#7C7E7F

Preview Lab

Preview with #42778F

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

Preview Lab → · Contrast checker → · Palette generator →