#42879D#42879D

#42879D is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.8% C 0.077 H 221.4°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#42879D
RGB	rgb(66, 135, 157)
HSL	hsl(195, 41%, 44%)
HSV	hsv(195, 58%, 62%)
CMYK	cmyk(58%, 14%, 0%, 38.4%)
CIE-LAB	lab(52.86, -15.13, -18.32)
CIE-LCH	lch(52.86, 23.76, 230.45°)
OKLab	oklab(58.76% -0.0577 -0.0509)
OKLCH	oklch(58.76% 0.077 221.4)
XYZ	xyz(16.9942, 20.9189, 35.0339)
Luminance	0.2092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42879D #9D5842

analogous

#429D85 #42879D #42599D

triadic

#42879D #9D4287 #879D42

tetradic

#42879D #85429D #9D5842 #599D42

square

#42879D #85429D #9D5842 #599D42

split-complementary

#42879D #9D4259 #9D8542

monochromatic

#1E3D47 #306272 #42879D #60A6BC #8BBECE

Accessibility & contrast

On white

4.05

#42879D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#42879D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42879D

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42879D	#FFFFFF	#000000	##000000
##42879D	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A849E

Deuteranopia (green-blind)

#6D7A9D

Tritanopia (blue-blind)

#008E8E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #42879d;
/* rgb */ color: rgb(66, 135, 157);
/* oklch */ color: oklch(58.8% 0.077 221.4);

Tailwind

colors: {
  custom: {
    50: '#7faaba',
    500: '#42879d',
    950: '#000000',
  },
}

SCSS

$custom: #42879d;
$custom-light: #7faaba;
$custom-dark: #000000;

JSON

{
  "hex": "#42879d",
  "rgb": {
    "r": 66,
    "g": 135,
    "b": 157
  },
  "hsl": {
    "h": 194.505,
    "s": 40.807,
    "l": 43.725
  },
  "oklch": {
    "l": 0.58756,
    "c": 0.07697,
    "h": 221.4
  },
  "luminance": 0.20921
}

Semantic roles & 50–950 ramp

primary

#42879D

secondary

#B98F82

accent

#7557D1

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #42879D

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

Preview Lab → · Contrast checker → · Palette generator →