#42838D#42838D

#42838D is a mid, moderate teal. Relative luminance 0.193; OKLCH L 57.1% C 0.068 H 208.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#42838D
RGB	rgb(66, 131, 141)
HSL	hsl(188, 36%, 41%)
HSV	hsv(188, 53%, 55%)
CMYK	cmyk(53.2%, 7.1%, 0%, 44.7%)
CIE-LAB	lab(51.05, -17.80, -11.76)
CIE-LCH	lch(51.05, 21.34, 213.46°)
OKLab	oklab(57.12% -0.0597 -0.0325)
OKLCH	oklch(57.12% 0.068 208.5)
XYZ	xyz(15.1689, 19.3126, 28.1225)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42838D #8D4C42

analogous

#428D71 #42838D #425D8D

triadic

#42838D #8D4283 #838D42

tetradic

#42838D #71428D #8D4C42 #5D8D42

square

#42838D #71428D #8D4C42 #5D8D42

split-complementary

#42838D #8D425D #8D7142

monochromatic

#1B363A #2E5C63 #42838D #5AA6B2 #84BDC5

Accessibility & contrast

On white

4.32

#42838D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#42838D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42838D

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42838D	#FFFFFF	#000000	##000000
##42838D	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#797F8E

Deuteranopia (green-blind)

#6E768D

Tritanopia (blue-blind)

#0B8886

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #42838d;
/* rgb */ color: rgb(66, 131, 141);
/* oklch */ color: oklch(57.1% 0.068 208.5);

Tailwind

colors: {
  custom: {
    50: '#7da7ae',
    500: '#42838d',
    950: '#000000',
  },
}

SCSS

$custom: #42838d;
$custom-light: #7da7ae;
$custom-dark: #000000;

JSON

{
  "hex": "#42838d",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 141
  },
  "hsl": {
    "h": 188,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.57116,
    "c": 0.06797,
    "h": 208.5
  },
  "luminance": 0.19314
}

Semantic roles & 50–950 ramp

primary

#42838D

secondary

#B0827B

accent

#6B5CCC

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #42838D

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

Preview Lab → · Contrast checker → · Palette generator →