#42819D#42819D

#42819D is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.3% C 0.078 H 229.2°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#42819D
RGB	rgb(66, 129, 157)
HSL	hsl(198, 41%, 44%)
HSV	hsv(198, 58%, 62%)
CMYK	cmyk(58%, 17.8%, 0%, 38.4%)
CIE-LAB	lab(51.03, -11.80, -21.13)
CIE-LCH	lch(51.03, 24.20, 240.83°)
OKLab	oklab(57.29% -0.0508 -0.0588)
OKLCH	oklch(57.29% 0.078 229.2)
XYZ	xyz(16.1805, 19.2916, 34.7627)
Luminance	0.1929 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42819D #9D5E42

analogous

#429D8B #42819D #42539D

triadic

#42819D #9D4281 #819D42

tetradic

#42819D #8B429D #9D5E42 #539D42

square

#42819D #8B429D #9D5E42 #539D42

split-complementary

#42819D #9D4253 #9D8B42

monochromatic

#1E3A47 #305E72 #42819D #60A0BC #8BBACE

Accessibility & contrast

On white

4.32

#42819D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#42819D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42819D

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42819D	#FFFFFF	#000000	##000000
##42819D	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737F9E

Deuteranopia (green-blind)

#66759D

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #42819d;
/* rgb */ color: rgb(66, 129, 157);
/* oklch */ color: oklch(57.3% 0.078 229.2);

Tailwind

colors: {
  custom: {
    50: '#7ea5ba',
    500: '#42819d',
    950: '#000000',
  },
}

SCSS

$custom: #42819d;
$custom-light: #7ea5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#42819d",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 157
  },
  "hsl": {
    "h": 198.462,
    "s": 40.807,
    "l": 43.725
  },
  "oklch": {
    "l": 0.57293,
    "c": 0.07775,
    "h": 229.2
  },
  "luminance": 0.19293
}

Semantic roles & 50–950 ramp

primary

#42819D

secondary

#B99382

accent

#7D57D1

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #42819D

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

Preview Lab → · Contrast checker → · Palette generator →