#42879E#42879E

#42879E is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.8% C 0.078 H 222.4°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#42879E
RGB	rgb(66, 135, 158)
HSL	hsl(195, 41%, 44%)
HSV	hsv(195, 58%, 62%)
CMYK	cmyk(58.2%, 14.6%, 0%, 38%)
CIE-LAB	lab(52.90, -14.82, -18.84)
CIE-LCH	lch(52.90, 23.97, 231.81°)
OKLab	oklab(58.8% -0.0573 -0.0524)
OKLCH	oklch(58.8% 0.078 222.4)
XYZ	xyz(17.0799, 20.9532, 35.4854)
Luminance	0.2095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42879E #9E5942

analogous

#429E87 #42879E #42599E

triadic

#42879E #9E4287 #879E42

tetradic

#42879E #87429E #9E5942 #599E42

square

#42879E #87429E #9E5942 #599E42

split-complementary

#42879E #9E4259 #9E8742

monochromatic

#1E3D48 #306273 #42879E #60A6BD #8CBECF

Accessibility & contrast

On white

4.05

#42879E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#42879E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42879E

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42879E	#FFFFFF	#000000	##000000
##42879E	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A849F

Deuteranopia (green-blind)

#6C7A9E

Tritanopia (blue-blind)

#008E8E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #42879e;
/* rgb */ color: rgb(66, 135, 158);
/* oklch */ color: oklch(58.8% 0.078 222.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42879e",
  "rgb": {
    "r": 66,
    "g": 135,
    "b": 158
  },
  "hsl": {
    "h": 195,
    "s": 41.071,
    "l": 43.922
  },
  "oklch": {
    "l": 0.58799,
    "c": 0.07766,
    "h": 222.4
  },
  "luminance": 0.20955
}

Semantic roles & 50–950 ramp

primary

#42879E

secondary

#BA9082

accent

#7557D1

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #42879E

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

Preview Lab → · Contrast checker → · Palette generator →