#42BAC7#42BAC7

#42BAC7 is a light, moderate teal. Relative luminance 0.404; OKLCH L 72.8% C 0.106 H 205.4°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#42BAC7
RGB	rgb(66, 186, 199)
HSL	hsl(186, 54%, 52%)
HSV	hsv(186, 67%, 78%)
CMYK	cmyk(66.8%, 6.5%, 0%, 22%)
CIE-LAB	lab(69.75, -28.77, -16.33)
CIE-LCH	lch(69.75, 33.08, 209.59°)
OKLab	oklab(72.82% -0.0955 -0.0453)
OKLCH	oklch(72.82% 0.106 205.4)
XYZ	xyz(30.1100, 40.3962, 60.2321)
Luminance	0.4040 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BAC7 #C74F42

analogous

#42C792 #42BAC7 #4277C7

triadic

#42BAC7 #C742BA #BAC742

tetradic

#42BAC7 #9242C7 #C74F42 #77C742

square

#42BAC7 #9242C7 #C74F42 #77C742

split-complementary

#42BAC7 #C74277 #C79242

monochromatic

#21666E #2F929D #42BAC7 #71CBD5 #A0DCE3

Accessibility & contrast

On white

2.31

#42BAC7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.08

#42BAC7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BAC7

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BAC7	#FFFFFF	#000000	##000000
##42BAC7	1.00	2.31	9.08	9.08
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.08	21.00	1.00	1.00
##000000	9.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB3C8

Deuteranopia (green-blind)

#98A4C7

Tritanopia (blue-blind)

#00C2BE

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42bac7;
/* rgb */ color: rgb(66, 186, 199);
/* oklch */ color: oklch(72.8% 0.106 205.4);

Tailwind

colors: {
  custom: {
    50: '#87cfd8',
    500: '#42bac7',
    950: '#000000',
  },
}

SCSS

$custom: #42bac7;
$custom-light: #87cfd8;
$custom-dark: #000000;

JSON

{
  "hex": "#42bac7",
  "rgb": {
    "r": 66,
    "g": 186,
    "b": 199
  },
  "hsl": {
    "h": 185.865,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.72818,
    "c": 0.10571,
    "h": 205.4
  },
  "luminance": 0.404
}

Semantic roles & 50–950 ramp

primary

#42BAC7

secondary

#D09B95

accent

#594ADE

background

#F9FCFD

surface

#F1F9FA

border

#CBD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #42BAC7

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

Preview Lab → · Contrast checker → · Palette generator →