#42879F#42879F

#42879F is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.8% C 0.078 H 223.4°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#42879F
RGB	rgb(66, 135, 159)
HSL	hsl(195, 41%, 44%)
HSV	hsv(195, 58%, 62%)
CMYK	cmyk(58.5%, 15.1%, 0%, 37.6%)
CIE-LAB	lab(52.94, -14.51, -19.36)
CIE-LCH	lch(52.94, 24.20, 233.16°)
OKLab	oklab(58.84% -0.0569 -0.0538)
OKLCH	oklch(58.84% 0.078 223.4)
XYZ	xyz(17.1663, 20.9878, 35.9406)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42879F #9F5A42

analogous

#429F89 #42879F #42599F

triadic

#42879F #9F4287 #879F42

tetradic

#42879F #89429F #9F5A42 #599F42

square

#42879F #89429F #9F5A42 #599F42

split-complementary

#42879F #9F4259 #9F8942

monochromatic

#1E3E49 #306274 #42879F #61A5BD #8CBECF

Accessibility & contrast

On white

4.04

#42879F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#42879F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42879F

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42879F	#FFFFFF	#000000	##000000
##42879F	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7984A0

Deuteranopia (green-blind)

#6C7A9F

Tritanopia (blue-blind)

#008E8F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #42879f;
/* rgb */ color: rgb(66, 135, 159);
/* oklch */ color: oklch(58.8% 0.078 223.4);

Tailwind

colors: {
  custom: {
    50: '#7faabb',
    500: '#42879f',
    950: '#000000',
  },
}

SCSS

$custom: #42879f;
$custom-light: #7faabb;
$custom-dark: #000000;

JSON

{
  "hex": "#42879f",
  "rgb": {
    "r": 66,
    "g": 135,
    "b": 159
  },
  "hsl": {
    "h": 195.484,
    "s": 41.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.58841,
    "c": 0.07836,
    "h": 223.4
  },
  "luminance": 0.20989
}

Semantic roles & 50–950 ramp

primary

#42879F

secondary

#BA9182

accent

#7657D1

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #42879F

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

Preview Lab → · Contrast checker → · Palette generator →