#42858D#42858D

#42858D is a mid, moderate teal. Relative luminance 0.199; OKLCH L 57.6% C 0.069 H 205.7°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#42858D
RGB	rgb(66, 133, 141)
HSL	hsl(186, 36%, 41%)
HSV	hsv(186, 53%, 55%)
CMYK	cmyk(53.2%, 5.7%, 0%, 44.7%)
CIE-LAB	lab(51.67, -18.87, -10.83)
CIE-LCH	lch(51.67, 21.76, 209.84°)
OKLab	oklab(57.62% -0.0621 -0.0299)
OKLCH	oklch(57.62% 0.069 205.7)
XYZ	xyz(15.4401, 19.8550, 28.2129)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42858D #8D4A42

analogous

#428D6F #42858D #425F8D

triadic

#42858D #8D4285 #858D42

tetradic

#42858D #6F428D #8D4A42 #5F8D42

square

#42858D #6F428D #8D4A42 #5F8D42

split-complementary

#42858D #8D425F #8D6F42

monochromatic

#1B363A #2E5E63 #42858D #5AA9B2 #84BEC5

Accessibility & contrast

On white

4.22

#42858D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#42858D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42858D

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42858D	#FFFFFF	#000000	##000000
##42858D	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C808E

Deuteranopia (green-blind)

#70778D

Tritanopia (blue-blind)

#098A87

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #42858d;
/* rgb */ color: rgb(66, 133, 141);
/* oklch */ color: oklch(57.6% 0.069 205.7);

Tailwind

colors: {
  custom: {
    50: '#7da8ae',
    500: '#42858d',
    950: '#000000',
  },
}

SCSS

$custom: #42858d;
$custom-light: #7da8ae;
$custom-dark: #000000;

JSON

{
  "hex": "#42858d",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 141
  },
  "hsl": {
    "h": 186.4,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.57615,
    "c": 0.06892,
    "h": 205.7
  },
  "luminance": 0.19856
}

Semantic roles & 50–950 ramp

primary

#42858D

secondary

#B0807B

accent

#685CCC

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #42858D

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

Preview Lab → · Contrast checker → · Palette generator →