#42978C#42978C

#42978C is a light, moderate teal. Relative luminance 0.252; OKLCH L 62.1% C 0.084 H 183.9°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#42978C
RGB	rgb(66, 151, 140)
HSL	hsl(172, 39%, 43%)
HSV	hsv(172, 56%, 59%)
CMYK	cmyk(56.3%, 0%, 7.3%, 40.8%)
CIE-LAB	lab(57.25, -28.38, -1.96)
CIE-LCH	lch(57.25, 28.44, 183.95°)
OKLab	oklab(62.11% -0.0837 -0.0057)
OKLCH	oklch(62.11% 0.084 183.9)
XYZ	xyz(18.0449, 25.1832, 28.7157)
Luminance	0.2519 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42978C #97424D

analogous

#429761 #42978C #427897

triadic

#42978C #8C4297 #978C42

tetradic

#42978C #614297 #97424D #789742

square

#42978C #614297 #97424D #789742

split-complementary

#42978C #974278 #976142

monochromatic

#1D423D #2F6C65 #42978C #5EB8AD #88CBC2

Accessibility & contrast

On white

3.48

#42978C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#42978C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42978C

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42978C	#FFFFFF	#000000	##000000
##42978C	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908F8C

Deuteranopia (green-blind)

#83858D

Tritanopia (blue-blind)

#009A93

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #42978c;
/* rgb */ color: rgb(66, 151, 140);
/* oklch */ color: oklch(62.1% 0.084 183.9);

Tailwind

colors: {
  custom: {
    50: '#7fb6ad',
    500: '#42978c',
    950: '#000000',
  },
}

SCSS

$custom: #42978c;
$custom-light: #7fb6ad;
$custom-dark: #000000;

JSON

{
  "hex": "#42978c",
  "rgb": {
    "r": 66,
    "g": 151,
    "b": 140
  },
  "hsl": {
    "h": 172.235,
    "s": 39.171,
    "l": 42.549
  },
  "oklch": {
    "l": 0.62107,
    "c": 0.08386,
    "h": 183.9
  },
  "luminance": 0.25185
}

Semantic roles & 50–950 ramp

primary

#42978C

secondary

#B67F86

accent

#5968CF

background

#F8FBFA

surface

#EFF6F4

border

#CAD0CE

text

#0B1110

muted

#7C807F

Preview Lab

Preview with #42978C

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

Preview Lab → · Contrast checker → · Palette generator →