#42837B#42837B

#42837B is a mid, moderate teal. Relative luminance 0.188; OKLCH L 56.5% C 0.068 H 185.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#42837B
RGB	rgb(66, 131, 123)
HSL	hsl(173, 33%, 39%)
HSV	hsv(173, 50%, 51%)
CMYK	cmyk(49.6%, 0%, 6.1%, 48.6%)
CIE-LAB	lab(50.48, -22.87, -2.09)
CIE-LCH	lch(50.48, 22.97, 185.22°)
OKLab	oklab(56.46% -0.0678 -0.006)
OKLCH	oklch(56.46% 0.068 185)
XYZ	xyz(13.9367, 18.8197, 21.6332)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42837B #83424A

analogous

#42835A #42837B #426A83

triadic

#42837B #7B4283 #837B42

tetradic

#42837B #5A4283 #83424A #6A8342

square

#42837B #5A4283 #83424A #6A8342

split-complementary

#42837B #83426A #835A42

monochromatic

#19322F #2D5A55 #42837B #58ABA0 #80BFB7

Accessibility & contrast

On white

4.41

#42837B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#42837B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42837B

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42837B	#FFFFFF	#000000	##000000
##42837B	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D7D7B

Deuteranopia (green-blind)

#73757C

Tritanopia (blue-blind)

#218580

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #42837b;
/* rgb */ color: rgb(66, 131, 123);
/* oklch */ color: oklch(56.5% 0.068 185.0);

Tailwind

colors: {
  custom: {
    50: '#7ca7a1',
    500: '#42837b',
    950: '#000000',
  },
}

SCSS

$custom: #42837b;
$custom-light: #7ca7a1;
$custom-dark: #000000;

JSON

{
  "hex": "#42837b",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 123
  },
  "hsl": {
    "h": 172.615,
    "s": 32.995,
    "l": 38.627
  },
  "oklch": {
    "l": 0.56462,
    "c": 0.06809,
    "h": 185
  },
  "luminance": 0.18821
}

Semantic roles & 50–950 ramp

primary

#42837B

secondary

#AA777D

accent

#5F6CC9

background

#F7FAF9

surface

#EEF4F2

border

#C9CECC

text

#0A0F0E

muted

#7C7F7E

Preview Lab

Preview with #42837B

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

Preview Lab → · Contrast checker → · Palette generator →