#42C7DA#42C7DA

#42C7DA is a light, moderate teal. Relative luminance 0.471; OKLCH L 76.6% C 0.115 H 208.8°. Best body text is #000000 at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#42C7DA
RGB	rgb(66, 199, 218)
HSL	hsl(188, 67%, 56%)
HSV	hsv(188, 70%, 85%)
CMYK	cmyk(69.7%, 8.7%, 0%, 14.5%)
CIE-LAB	lab(74.23, -29.45, -19.91)
CIE-LCH	lch(74.23, 35.55, 214.05°)
OKLab	oklab(76.64% -0.1007 -0.0553)
OKLCH	oklch(76.64% 0.115 208.8)
XYZ	xyz(35.3196, 47.0630, 73.5387)
Luminance	0.4707 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C7DA #DA5542

analogous

#42DAA1 #42C7DA #427BDA

triadic

#42C7DA #DA42C7 #C7DA42

tetradic

#42C7DA #A142DA #DA5542 #7BDA42

square

#42C7DA #A142DA #DA5542 #7BDA42

split-complementary

#42C7DA #DA427B #DAA142

monochromatic

#1A7A87 #24A8BA #42C7DA #75D6E4 #A8E5EE

Accessibility & contrast

On white

2.02

#42C7DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.41

#42C7DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7DA

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C7DA	#FFFFFF	#000000	##000000
##42C7DA	1.00	2.02	10.41	10.41
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.41	21.00	1.00	1.00
##000000	10.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C0DB

Deuteranopia (green-blind)

#A0B0DA

Tritanopia (blue-blind)

#00D0CD

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42c7da;
/* rgb */ color: rgb(66, 199, 218);
/* oklch */ color: oklch(76.6% 0.115 208.8);

Tailwind

colors: {
  custom: {
    50: '#8ad8e5',
    500: '#42c7da',
    950: '#000000',
  },
}

SCSS

$custom: #42c7da;
$custom-light: #8ad8e5;
$custom-dark: #000000;

JSON

{
  "hex": "#42c7da",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 218
  },
  "hsl": {
    "h": 187.5,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.76641,
    "c": 0.11492,
    "h": 208.8
  },
  "luminance": 0.47067
}

Semantic roles & 50–950 ramp

primary

#42C7DA

secondary

#DBA49C

accent

#533EEA

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1415

muted

#7E8384

Preview Lab

Preview with #42C7DA

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

Preview Lab → · Contrast checker → · Palette generator →