#42799E#42799E

#42799E is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.4% C 0.082 H 239.9°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#42799E
RGB	rgb(66, 121, 158)
HSL	hsl(204, 41%, 44%)
HSV	hsv(204, 58%, 62%)
CMYK	cmyk(58.2%, 23.4%, 0%, 38%)
CIE-LAB	lab(48.64, -6.89, -25.40)
CIE-LCH	lch(48.64, 26.32, 254.83°)
OKLab	oklab(55.41% -0.0411 -0.0711)
OKLCH	oklch(55.41% 0.082 239.9)
XYZ	xyz(15.2534, 17.3002, 34.8766)
Luminance	0.1730 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42799E #9E6742

analogous

#429E95 #42799E #424B9E

triadic

#42799E #9E4279 #799E42

tetradic

#42799E #95429E #9E6742 #4B9E42

square

#42799E #95429E #9E6742 #4B9E42

split-complementary

#42799E #9E424B #9E9542

monochromatic

#1E3748 #305873 #42799E #6098BD #8CB4CF

Accessibility & contrast

On white

4.71

#42799E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#42799E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42799E

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42799E	#FFFFFF	#000000	##FFFFFF
##42799E	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6879A0

Deuteranopia (green-blind)

#5C6F9D

Tritanopia (blue-blind)

#008285

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #42799e;
/* rgb */ color: rgb(66, 121, 158);
/* oklch */ color: oklch(55.4% 0.082 239.9);

Tailwind

colors: {
  custom: {
    50: '#7e9fba',
    500: '#42799e',
    950: '#000000',
  },
}

SCSS

$custom: #42799e;
$custom-light: #7e9fba;
$custom-dark: #000000;

JSON

{
  "hex": "#42799e",
  "rgb": {
    "r": 66,
    "g": 121,
    "b": 158
  },
  "hsl": {
    "h": 204.13,
    "s": 41.071,
    "l": 43.922
  },
  "oklch": {
    "l": 0.55408,
    "c": 0.08212,
    "h": 239.9
  },
  "luminance": 0.17302
}

Semantic roles & 50–950 ramp

primary

#42799E

secondary

#BA9882

accent

#8857D1

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #42799E

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

Preview Lab → · Contrast checker → · Palette generator →