#42BFCC#42BFCC

#42BFCC is a light, moderate teal. Relative luminance 0.428; OKLCH L 74.2% C 0.109 H 205.0°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#42BFCC
RGB	rgb(66, 191, 204)
HSL	hsl(186, 58%, 53%)
HSV	hsv(186, 68%, 80%)
CMYK	cmyk(67.6%, 6.4%, 0%, 20%)
CIE-LAB	lab(71.40, -29.73, -16.58)
CIE-LCH	lch(71.40, 34.04, 209.14°)
OKLab	oklab(74.21% -0.0985 -0.046)
OKLCH	oklch(74.21% 0.109 205)
XYZ	xyz(31.7719, 42.7759, 63.6971)
Luminance	0.4278 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BFCC #CC4F42

analogous

#42CC94 #42BFCC #427ACC

triadic

#42BFCC #CC42BF #BFCC42

tetradic

#42BFCC #9442CC #CC4F42 #7ACC42

square

#42BFCC #9442CC #CC4F42 #7ACC42

split-complementary

#42BFCC #CC427A #CC9442

monochromatic

#1F6C74 #2C99A4 #42BFCC #72CFD9 #A2E0E6

Accessibility & contrast

On white

2.20

#42BFCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.56

#42BFCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BFCC

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BFCC	#FFFFFF	#000000	##000000
##42BFCC	1.00	2.20	9.56	9.56
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.56	21.00	1.00	1.00
##000000	9.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B7CD

Deuteranopia (green-blind)

#9CA9CC

Tritanopia (blue-blind)

#00C7C3

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #42bfcc;
/* rgb */ color: rgb(66, 191, 204);
/* oklch */ color: oklch(74.2% 0.109 205.0);

Tailwind

colors: {
  custom: {
    50: '#88d2db',
    500: '#42bfcc',
    950: '#000000',
  },
}

SCSS

$custom: #42bfcc;
$custom-light: #88d2db;
$custom-dark: #000000;

JSON

{
  "hex": "#42bfcc",
  "rgb": {
    "r": 66,
    "g": 191,
    "b": 204
  },
  "hsl": {
    "h": 185.652,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.74206,
    "c": 0.1087,
    "h": 205
  },
  "luminance": 0.42779
}

Semantic roles & 50–950 ramp

primary

#42BFCC

secondary

#D39D97

accent

#5647E1

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #42BFCC

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

Preview Lab → · Contrast checker → · Palette generator →