#42789F#42789F

#42789F is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.2% C 0.084 H 241.8°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#42789F
RGB	rgb(66, 120, 159)
HSL	hsl(205, 41%, 44%)
HSV	hsv(205, 58%, 62%)
CMYK	cmyk(58.5%, 24.5%, 0%, 37.6%)
CIE-LAB	lab(48.38, -5.98, -26.39)
CIE-LCH	lch(48.38, 27.06, 257.24°)
OKLab	oklab(55.22% -0.0396 -0.0739)
OKLCH	oklch(55.22% 0.084 241.8)
XYZ	xyz(15.2189, 17.0930, 35.2914)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42789F #9F6942

analogous

#429F98 #42789F #424A9F

triadic

#42789F #9F4278 #789F42

tetradic

#42789F #98429F #9F6942 #4A9F42

square

#42789F #98429F #9F6942 #4A9F42

split-complementary

#42789F #9F424A #9F9842

monochromatic

#1E3749 #305774 #42789F #6197BD #8CB3CF

Accessibility & contrast

On white

4.75

#42789F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#42789F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42789F

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42789F	#FFFFFF	#000000	##FFFFFF
##42789F	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6778A1

Deuteranopia (green-blind)

#5A6F9E

Tritanopia (blue-blind)

#008285

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #42789f;
/* rgb */ color: rgb(66, 120, 159);
/* oklch */ color: oklch(55.2% 0.084 241.8);

Tailwind

colors: {
  custom: {
    50: '#7e9ebb',
    500: '#42789f',
    950: '#000000',
  },
}

SCSS

$custom: #42789f;
$custom-light: #7e9ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#42789f",
  "rgb": {
    "r": 66,
    "g": 120,
    "b": 159
  },
  "hsl": {
    "h": 205.161,
    "s": 41.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.55217,
    "c": 0.08387,
    "h": 241.8
  },
  "luminance": 0.17094
}

Semantic roles & 50–950 ramp

primary

#42789F

secondary

#BA9A82

accent

#8A57D1

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #42789F

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

Preview Lab → · Contrast checker → · Palette generator →