#42799C#42799C

#42799C is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.3% C 0.080 H 238.4°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#42799C
RGB	rgb(66, 121, 156)
HSL	hsl(203, 41%, 44%)
HSV	hsv(203, 58%, 61%)
CMYK	cmyk(57.7%, 22.4%, 0%, 38.8%)
CIE-LAB	lab(48.55, -7.54, -24.36)
CIE-LCH	lch(48.55, 25.50, 252.80°)
OKLab	oklab(55.31% -0.0418 -0.0681)
OKLCH	oklch(55.31% 0.08 238.4)
XYZ	xyz(15.0827, 17.2319, 33.9773)
Luminance	0.1723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42799C #9C6542

analogous

#429C92 #42799C #424C9C

triadic

#42799C #9C4279 #799C42

tetradic

#42799C #92429C #9C6542 #4C9C42

square

#42799C #92429C #9C6542 #4C9C42

split-complementary

#42799C #9C424C #9C9242

monochromatic

#1E3646 #305871 #42799C #6098BC #8BB4CE

Accessibility & contrast

On white

4.72

#42799C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#42799C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42799C

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42799C	#FFFFFF	#000000	##FFFFFF
##42799C	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69799E

Deuteranopia (green-blind)

#5D6F9B

Tritanopia (blue-blind)

#008285

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #42799c;
/* rgb */ color: rgb(66, 121, 156);
/* oklch */ color: oklch(55.3% 0.080 238.4);

Tailwind

colors: {
  custom: {
    50: '#7e9fb9',
    500: '#42799c',
    950: '#000000',
  },
}

SCSS

$custom: #42799c;
$custom-light: #7e9fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#42799c",
  "rgb": {
    "r": 66,
    "g": 121,
    "b": 156
  },
  "hsl": {
    "h": 203.333,
    "s": 40.541,
    "l": 43.529
  },
  "oklch": {
    "l": 0.55312,
    "c": 0.07993,
    "h": 238.4
  },
  "luminance": 0.17233
}

Semantic roles & 50–950 ramp

primary

#42799C

secondary

#B99781

accent

#8657D0

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #42799C

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

Preview Lab → · Contrast checker → · Palette generator →