#42C8DA#42C8DA

#42C8DA is a light, moderate teal. Relative luminance 0.475; OKLCH L 76.9% C 0.115 H 208.0°. Best body text is #000000 at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#42C8DA
RGB	rgb(66, 200, 218)
HSL	hsl(187, 67%, 56%)
HSV	hsv(187, 70%, 85%)
CMYK	cmyk(69.7%, 8.3%, 0%, 14.5%)
CIE-LAB	lab(74.52, -29.94, -19.46)
CIE-LCH	lch(74.52, 35.71, 213.02°)
OKLab	oklab(76.88% -0.1017 -0.0541)
OKLCH	oklch(76.88% 0.115 208)
XYZ	xyz(35.5505, 47.5246, 73.6156)
Luminance	0.4753 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C8DA #DA5442

analogous

#42DAA0 #42C8DA #427CDA

triadic

#42C8DA #DA42C8 #C8DA42

tetradic

#42C8DA #A042DA #DA5442 #7CDA42

square

#42C8DA #A042DA #DA5442 #7CDA42

split-complementary

#42C8DA #DA427C #DAA042

monochromatic

#1A7A87 #24A9BA #42C8DA #75D7E4 #A8E6EE

Accessibility & contrast

On white

2.00

#42C8DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.51

#42C8DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8DA

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C8DA	#FFFFFF	#000000	##000000
##42C8DA	1.00	2.00	10.51	10.51
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.51	21.00	1.00	1.00
##000000	10.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C0DB

Deuteranopia (green-blind)

#A1B1DA

Tritanopia (blue-blind)

#00D1CD

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42c8da;
/* rgb */ color: rgb(66, 200, 218);
/* oklch */ color: oklch(76.9% 0.115 208.0);

Tailwind

colors: {
  custom: {
    50: '#8bd9e5',
    500: '#42c8da',
    950: '#000000',
  },
}

SCSS

$custom: #42c8da;
$custom-light: #8bd9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#42c8da",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 218
  },
  "hsl": {
    "h": 187.105,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.76878,
    "c": 0.11518,
    "h": 208
  },
  "luminance": 0.47529
}

Semantic roles & 50–950 ramp

primary

#42C8DA

secondary

#DBA49C

accent

#523EEA

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1415

muted

#7E8384

Preview Lab

Preview with #42C8DA

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

Preview Lab → · Contrast checker → · Palette generator →