#42C4DB#42C4DB

#42C4DB is a light, moderate teal. Relative luminance 0.458; OKLCH L 76.0% C 0.115 H 211.8°. Best body text is #000000 at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#42C4DB
RGB	rgb(66, 196, 219)
HSL	hsl(189, 68%, 56%)
HSV	hsv(189, 70%, 86%)
CMYK	cmyk(69.9%, 10.5%, 0%, 14.1%)
CIE-LAB	lab(73.38, -27.68, -21.74)
CIE-LCH	lch(73.38, 35.19, 218.14°)
OKLab	oklab(75.97% -0.0974 -0.0605)
OKLCH	oklch(75.97% 0.115 211.8)
XYZ	xyz(34.7674, 45.7486, 74.0021)
Luminance	0.4575 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4DB #DB5942

analogous

#42DBA6 #42C4DB #4277DB

triadic

#42C4DB #DB42C4 #C4DB42

tetradic

#42C4DB #A642DB #DB5942 #77DB42

square

#42C4DB #A642DB #DB5942 #77DB42

split-complementary

#42C4DB #DB4277 #DBA642

monochromatic

#1A7889 #24A5BC #42C4DB #75D4E5 #A9E4EF

Accessibility & contrast

On white

2.07

#42C4DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.15

#42C4DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4DB

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4DB	#FFFFFF	#000000	##000000
##42C4DB	1.00	2.07	10.15	10.15
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.15	21.00	1.00	1.00
##000000	10.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2BDDC

Deuteranopia (green-blind)

#9CADDB

Tritanopia (blue-blind)

#00CECB

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c4db;
/* rgb */ color: rgb(66, 196, 219);
/* oklch */ color: oklch(76.0% 0.115 211.8);

Tailwind

colors: {
  custom: {
    50: '#8ad6e6',
    500: '#42c4db',
    950: '#000000',
  },
}

SCSS

$custom: #42c4db;
$custom-light: #8ad6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4db",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 219
  },
  "hsl": {
    "h": 189.02,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.75969,
    "c": 0.11462,
    "h": 211.8
  },
  "luminance": 0.45753
}

Semantic roles & 50–950 ramp

primary

#42C4DB

secondary

#DCA69D

accent

#573DEB

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1415

muted

#7E8384

Preview Lab

Preview with #42C4DB

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

Preview Lab → · Contrast checker → · Palette generator →