#42878D#42878D

#42878D is a mid, moderate teal. Relative luminance 0.204; OKLCH L 58.1% C 0.070 H 203.0°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#42878D
RGB	rgb(66, 135, 141)
HSL	hsl(185, 36%, 41%)
HSV	hsv(185, 53%, 55%)
CMYK	cmyk(53.2%, 4.3%, 0%, 44.7%)
CIE-LAB	lab(52.30, -19.94, -9.89)
CIE-LCH	lch(52.30, 22.26, 206.39°)
OKLab	oklab(58.12% -0.0645 -0.0273)
OKLCH	oklch(58.12% 0.07 203)
XYZ	xyz(15.7165, 20.4079, 28.3050)
Luminance	0.2041 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42878D #8D4842

analogous

#428D6D #42878D #42618D

triadic

#42878D #8D4287 #878D42

tetradic

#42878D #6D428D #8D4842 #618D42

square

#42878D #6D428D #8D4842 #618D42

split-complementary

#42878D #8D4261 #8D6D42

monochromatic

#1B373A #2E5F63 #42878D #5AABB2 #84C0C5

Accessibility & contrast

On white

4.13

#42878D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#42878D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42878D

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42878D	#FFFFFF	#000000	##000000
##42878D	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E828D

Deuteranopia (green-blind)

#72798D

Tritanopia (blue-blind)

#078C89

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #42878d;
/* rgb */ color: rgb(66, 135, 141);
/* oklch */ color: oklch(58.1% 0.070 203.0);

Tailwind

colors: {
  custom: {
    50: '#7daaae',
    500: '#42878d',
    950: '#000000',
  },
}

SCSS

$custom: #42878d;
$custom-light: #7daaae;
$custom-dark: #000000;

JSON

{
  "hex": "#42878d",
  "rgb": {
    "r": 66,
    "g": 135,
    "b": 141
  },
  "hsl": {
    "h": 184.8,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.58115,
    "c": 0.07003,
    "h": 203
  },
  "luminance": 0.20409
}

Semantic roles & 50–950 ramp

primary

#42878D

secondary

#B07F7B

accent

#655CCC

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #42878D

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

Preview Lab → · Contrast checker → · Palette generator →