#42859A#42859A

#42859A is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.1% C 0.075 H 220.9°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#42859A
RGB	rgb(66, 133, 154)
HSL	hsl(194, 40%, 43%)
HSV	hsv(194, 57%, 60%)
CMYK	cmyk(57.1%, 13.6%, 0%, 39.6%)
CIE-LAB	lab(52.14, -14.96, -17.69)
CIE-LCH	lch(52.14, 23.17, 229.78°)
OKLab	oklab(58.14% -0.0566 -0.0491)
OKLCH	oklch(58.14% 0.075 220.9)
XYZ	xyz(16.4648, 20.2649, 33.6094)
Luminance	0.2027 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42859A #9A5742

analogous

#429A83 #42859A #42599A

triadic

#42859A #9A4285 #859A42

tetradic

#42859A #83429A #9A5742 #599A42

square

#42859A #83429A #9A5742 #599A42

split-complementary

#42859A #9A4259 #9A8342

monochromatic

#1D3B44 #30606F #42859A #5FA5BA #8ABDCD

Accessibility & contrast

On white

4.16

#42859A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#42859A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42859A

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42859A	#FFFFFF	#000000	##000000
##42859A	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78829B

Deuteranopia (green-blind)

#6B789A

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #42859a;
/* rgb */ color: rgb(66, 133, 154);
/* oklch */ color: oklch(58.1% 0.075 220.9);

Tailwind

colors: {
  custom: {
    50: '#7ea8b7',
    500: '#42859a',
    950: '#000000',
  },
}

SCSS

$custom: #42859a;
$custom-light: #7ea8b7;
$custom-dark: #000000;

JSON

{
  "hex": "#42859a",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 154
  },
  "hsl": {
    "h": 194.318,
    "s": 40,
    "l": 43.137
  },
  "oklch": {
    "l": 0.58139,
    "c": 0.07496,
    "h": 220.9
  },
  "luminance": 0.20266
}

Semantic roles & 50–950 ramp

primary

#42859A

secondary

#B88D80

accent

#7558D0

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #42859A

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

Preview Lab → · Contrast checker → · Palette generator →