#42879A#42879A

#42879A is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 58.6% C 0.075 H 218.2°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#42879A
RGB	rgb(66, 135, 154)
HSL	hsl(193, 40%, 43%)
HSV	hsv(193, 57%, 60%)
CMYK	cmyk(57.1%, 12.3%, 0%, 39.6%)
CIE-LAB	lab(52.75, -16.06, -16.75)
CIE-LCH	lch(52.75, 23.21, 226.22°)
OKLab	oklab(58.63% -0.059 -0.0465)
OKLCH	oklch(58.63% 0.075 218.2)
XYZ	xyz(16.7412, 20.8177, 33.7016)
Luminance	0.2082 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42879A #9A5542

analogous

#429A81 #42879A #425B9A

triadic

#42879A #9A4287 #879A42

tetradic

#42879A #81429A #9A5542 #5B9A42

square

#42879A #81429A #9A5542 #5B9A42

split-complementary

#42879A #9A425B #9A8142

monochromatic

#1D3C44 #30616F #42879A #5FA7BA #8ABECD

Accessibility & contrast

On white

4.07

#42879A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#42879A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42879A

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42879A	#FFFFFF	#000000	##000000
##42879A	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B839B

Deuteranopia (green-blind)

#6E7A9A

Tritanopia (blue-blind)

#008E8D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #42879a;
/* rgb */ color: rgb(66, 135, 154);
/* oklch */ color: oklch(58.6% 0.075 218.2);

Tailwind

colors: {
  custom: {
    50: '#7eaab7',
    500: '#42879a',
    950: '#000000',
  },
}

SCSS

$custom: #42879a;
$custom-light: #7eaab7;
$custom-dark: #000000;

JSON

{
  "hex": "#42879a",
  "rgb": {
    "r": 66,
    "g": 135,
    "b": 154
  },
  "hsl": {
    "h": 192.955,
    "s": 40,
    "l": 43.137
  },
  "oklch": {
    "l": 0.5863,
    "c": 0.07507,
    "h": 218.2
  },
  "luminance": 0.20819
}

Semantic roles & 50–950 ramp

primary

#42879A

secondary

#B88C80

accent

#7258D0

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #42879A

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

Preview Lab → · Contrast checker → · Palette generator →