#42BEC5#42BEC5

#42BEC5 is a light, moderate teal. Relative luminance 0.420; OKLCH L 73.7% C 0.107 H 200.5°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#42BEC5
RGB	rgb(66, 190, 197)
HSL	hsl(183, 53%, 52%)
HSV	hsv(183, 66%, 77%)
CMYK	cmyk(66.5%, 3.6%, 0%, 22.7%)
CIE-LAB	lab(70.88, -31.30, -13.54)
CIE-LCH	lch(70.88, 34.10, 203.39°)
OKLab	oklab(73.71% -0.1004 -0.0375)
OKLCH	oklch(73.71% 0.107 200.5)
XYZ	xyz(30.7339, 42.0129, 59.3021)
Luminance	0.4202 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BEC5 #C54942

analogous

#42C58B #42BEC5 #427DC5

triadic

#42BEC5 #C542BE #BEC542

tetradic

#42BEC5 #8B42C5 #C54942 #7DC542

square

#42BEC5 #8B42C5 #C54942 #7DC542

split-complementary

#42BEC5 #C5427D #C58B42

monochromatic

#21686C #2F959A #42BEC5 #71CED3 #A0DEE2

Accessibility & contrast

On white

2.23

#42BEC5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.40

#42BEC5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BEC5

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BEC5	#FFFFFF	#000000	##000000
##42BEC5	1.00	2.23	9.40	9.40
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.40	21.00	1.00	1.00
##000000	9.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B6C6

Deuteranopia (green-blind)

#9DA7C6

Tritanopia (blue-blind)

#00C5C0

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #42bec5;
/* rgb */ color: rgb(66, 190, 197);
/* oklch */ color: oklch(73.7% 0.107 200.5);

Tailwind

colors: {
  custom: {
    50: '#87d2d6',
    500: '#42bec5',
    950: '#000000',
  },
}

SCSS

$custom: #42bec5;
$custom-light: #87d2d6;
$custom-dark: #000000;

JSON

{
  "hex": "#42bec5",
  "rgb": {
    "r": 66,
    "g": 190,
    "b": 197
  },
  "hsl": {
    "h": 183.206,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.73709,
    "c": 0.1072,
    "h": 200.5
  },
  "luminance": 0.42016
}

Semantic roles & 50–950 ramp

primary

#42BEC5

secondary

#CE9895

accent

#534BDC

background

#F9FCFD

surface

#F1F9FA

border

#CBD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #42BEC5

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

Preview Lab → · Contrast checker → · Palette generator →