#42819A#42819A

#42819A is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.2% C 0.075 H 226.3°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#42819A
RGB	rgb(66, 129, 154)
HSL	hsl(197, 40%, 43%)
HSV	hsv(197, 57%, 60%)
CMYK	cmyk(57.1%, 16.2%, 0%, 39.6%)
CIE-LAB	lab(50.91, -12.74, -19.56)
CIE-LCH	lch(50.91, 23.35, 236.92°)
OKLab	oklab(57.16% -0.052 -0.0544)
OKLCH	oklch(57.16% 0.075 226.3)
XYZ	xyz(15.9275, 19.1904, 33.4303)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42819A #9A5B42

analogous

#429A87 #42819A #42559A

triadic

#42819A #9A4281 #819A42

tetradic

#42819A #87429A #9A5B42 #559A42

square

#42819A #87429A #9A5B42 #559A42

split-complementary

#42819A #9A4255 #9A8742

monochromatic

#1D3944 #305D6F #42819A #5FA0BA #8ABACD

Accessibility & contrast

On white

4.34

#42819A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#42819A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42819A

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42819A	#FFFFFF	#000000	##000000
##42819A	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747F9B

Deuteranopia (green-blind)

#67759A

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #42819a;
/* rgb */ color: rgb(66, 129, 154);
/* oklch */ color: oklch(57.2% 0.075 226.3);

Tailwind

colors: {
  custom: {
    50: '#7ea5b7',
    500: '#42819a',
    950: '#000000',
  },
}

SCSS

$custom: #42819a;
$custom-light: #7ea5b7;
$custom-dark: #000000;

JSON

{
  "hex": "#42819a",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 154
  },
  "hsl": {
    "h": 197.045,
    "s": 40,
    "l": 43.137
  },
  "oklch": {
    "l": 0.5716,
    "c": 0.07523,
    "h": 226.3
  },
  "luminance": 0.19192
}

Semantic roles & 50–950 ramp

primary

#42819A

secondary

#B89080

accent

#7A58D0

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #42819A

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

Preview Lab → · Contrast checker → · Palette generator →