#42819E#42819E

#42819E is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.3% C 0.079 H 230.1°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#42819E
RGB	rgb(66, 129, 158)
HSL	hsl(199, 41%, 44%)
HSV	hsv(199, 58%, 62%)
CMYK	cmyk(58.2%, 18.4%, 0%, 38%)
CIE-LAB	lab(51.07, -11.48, -21.65)
CIE-LCH	lch(51.07, 24.51, 242.07°)
OKLab	oklab(57.34% -0.0504 -0.0603)
OKLCH	oklch(57.34% 0.079 230.1)
XYZ	xyz(16.2662, 19.3259, 35.2142)
Luminance	0.1933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42819E #9E5F42

analogous

#429E8D #42819E #42539E

triadic

#42819E #9E4281 #819E42

tetradic

#42819E #8D429E #9E5F42 #539E42

square

#42819E #8D429E #9E5F42 #539E42

split-complementary

#42819E #9E4253 #9E8D42

monochromatic

#1E3B48 #305E73 #42819E #60A0BD #8CBACF

Accessibility & contrast

On white

4.32

#42819E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#42819E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42819E

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42819E	#FFFFFF	#000000	##000000
##42819E	1.00	4.32	4.87	4.87
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727F9F

Deuteranopia (green-blind)

#65759E

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #42819e;
/* rgb */ color: rgb(66, 129, 158);
/* oklch */ color: oklch(57.3% 0.079 230.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42819e",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 158
  },
  "hsl": {
    "h": 198.913,
    "s": 41.071,
    "l": 43.922
  },
  "oklch": {
    "l": 0.57337,
    "c": 0.07863,
    "h": 230.1
  },
  "luminance": 0.19327
}

Semantic roles & 50–950 ramp

primary

#42819E

secondary

#BA9482

accent

#7D57D1

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B0F11

muted

#7C7F80

Preview Lab

Preview with #42819E

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

Preview Lab → · Contrast checker → · Palette generator →