#42C8DB#42C8DB

#42C8DB is a light, moderate teal. Relative luminance 0.476; OKLCH L 76.9% C 0.115 H 208.7°. Best body text is #000000 at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#42C8DB
RGB	rgb(66, 200, 219)
HSL	hsl(187, 68%, 56%)
HSV	hsv(187, 70%, 86%)
CMYK	cmyk(69.9%, 8.7%, 0%, 14.1%)
CIE-LAB	lab(74.56, -29.64, -19.95)
CIE-LCH	lch(74.56, 35.73, 213.94°)
OKLab	oklab(76.92% -0.1013 -0.0554)
OKLCH	oklch(76.92% 0.115 208.7)
XYZ	xyz(35.6817, 47.5771, 74.3069)
Luminance	0.4758 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C8DB #DB5542

analogous

#42DBA1 #42C8DB #427BDB

triadic

#42C8DB #DB42C8 #C8DB42

tetradic

#42C8DB #A142DB #DB5542 #7BDB42

square

#42C8DB #A142DB #DB5542 #7BDB42

split-complementary

#42C8DB #DB427B #DBA142

monochromatic

#1A7B89 #24A9BC #42C8DB #75D7E5 #A9E6EF

Accessibility & contrast

On white

2.00

#42C8DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.52

#42C8DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8DB

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C8DB	#FFFFFF	#000000	##000000
##42C8DB	1.00	2.00	10.52	10.52
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.52	21.00	1.00	1.00
##000000	10.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C1DC

Deuteranopia (green-blind)

#A1B1DB

Tritanopia (blue-blind)

#00D1CE

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42c8db;
/* rgb */ color: rgb(66, 200, 219);
/* oklch */ color: oklch(76.9% 0.115 208.7);

Tailwind

colors: {
  custom: {
    50: '#8bd9e6',
    500: '#42c8db',
    950: '#000000',
  },
}

SCSS

$custom: #42c8db;
$custom-light: #8bd9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#42c8db",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 219
  },
  "hsl": {
    "h": 187.451,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.76916,
    "c": 0.11548,
    "h": 208.7
  },
  "luminance": 0.47581
}

Semantic roles & 50–950 ramp

primary

#42C8DB

secondary

#DCA59D

accent

#533DEB

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1415

muted

#7E8384

Preview Lab

Preview with #42C8DB

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

Preview Lab → · Contrast checker → · Palette generator →