#42979B#42979B

#42979B is a light, moderate teal. Relative luminance 0.257; OKLCH L 62.6% C 0.082 H 199.5°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#42979B
RGB	rgb(66, 151, 155)
HSL	hsl(183, 40%, 43%)
HSV	hsv(183, 57%, 61%)
CMYK	cmyk(57.4%, 2.6%, 0%, 39.2%)
CIE-LAB	lab(57.71, -24.20, -9.84)
CIE-LCH	lch(57.71, 26.12, 202.14°)
OKLab	oklab(62.63% -0.0769 -0.0272)
OKLCH	oklch(62.63% 0.082 199.5)
XYZ	xyz(19.2273, 25.6561, 34.9428)
Luminance	0.2566 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42979B #9B4642

analogous

#429B72 #42979B #426A9B

triadic

#42979B #9B4297 #979B42

tetradic

#42979B #72429B #9B4642 #6A9B42

square

#42979B #72429B #9B4642 #6A9B42

split-complementary

#42979B #9B426A #9B7242

monochromatic

#1D4345 #306D70 #42979B #5FB7BB #8ACACD

Accessibility & contrast

On white

3.42

#42979B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#42979B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42979B

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42979B	#FFFFFF	#000000	##000000
##42979B	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D919B

Deuteranopia (green-blind)

#7F869C

Tritanopia (blue-blind)

#009C98

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #42979b;
/* rgb */ color: rgb(66, 151, 155);
/* oklch */ color: oklch(62.6% 0.082 199.5);

Tailwind

colors: {
  custom: {
    50: '#80b6b8',
    500: '#42979b',
    950: '#000000',
  },
}

SCSS

$custom: #42979b;
$custom-light: #80b6b8;
$custom-dark: #000000;

JSON

{
  "hex": "#42979b",
  "rgb": {
    "r": 66,
    "g": 151,
    "b": 155
  },
  "hsl": {
    "h": 182.697,
    "s": 40.271,
    "l": 43.333
  },
  "oklch": {
    "l": 0.62626,
    "c": 0.08155,
    "h": 199.5
  },
  "luminance": 0.25658
}

Semantic roles & 50–950 ramp

primary

#42979B

secondary

#B88381

accent

#5D58D0

background

#F8FBFB

surface

#EFF6F6

border

#CAD0D0

text

#0B1111

muted

#7C8080

Preview Lab

Preview with #42979B

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

Preview Lab → · Contrast checker → · Palette generator →