#42779F#42779F

#42779F is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.0% C 0.085 H 242.9°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#42779F
RGB	rgb(66, 119, 159)
HSL	hsl(206, 41%, 44%)
HSV	hsv(206, 58%, 62%)
CMYK	cmyk(58.5%, 25.2%, 0%, 37.6%)
CIE-LAB	lab(48.08, -5.39, -26.86)
CIE-LCH	lch(48.08, 27.39, 258.65°)
OKLab	oklab(54.98% -0.0384 -0.0753)
OKLCH	oklch(54.98% 0.085 242.9)
XYZ	xyz(15.0993, 16.8538, 35.2516)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42779F #9F6A42

analogous

#429F99 #42779F #42499F

triadic

#42779F #9F4277 #779F42

tetradic

#42779F #99429F #9F6A42 #499F42

square

#42779F #99429F #9F6A42 #499F42

split-complementary

#42779F #9F4249 #9F9942

monochromatic

#1E3649 #305774 #42779F #6196BD #8CB2CF

Accessibility & contrast

On white

4.80

#42779F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#42779F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42779F

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42779F	#FFFFFF	#000000	##FFFFFF
##42779F	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6577A1

Deuteranopia (green-blind)

#596E9E

Tritanopia (blue-blind)

#008185

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #42779f;
/* rgb */ color: rgb(66, 119, 159);
/* oklch */ color: oklch(55.0% 0.085 242.9);

Tailwind

colors: {
  custom: {
    50: '#7e9ebb',
    500: '#42779f',
    950: '#000000',
  },
}

SCSS

$custom: #42779f;
$custom-light: #7e9ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#42779f",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 159
  },
  "hsl": {
    "h": 205.806,
    "s": 41.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.54979,
    "c": 0.08453,
    "h": 242.9
  },
  "luminance": 0.16855
}

Semantic roles & 50–950 ramp

primary

#42779F

secondary

#BA9A82

accent

#8B57D1

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #42779F

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

Preview Lab → · Contrast checker → · Palette generator →