#42CBE7#42CBE7

#42CBE7 is a light, vivid cyan. Relative luminance 0.496; OKLCH L 78.1% C 0.121 H 214.4°. Best body text is #000000 at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#42CBE7
RGB	rgb(66, 203, 231)
HSL	hsl(190, 77%, 58%)
HSV	hsv(190, 71%, 91%)
CMYK	cmyk(71.4%, 12.1%, 0%, 9.4%)
CIE-LAB	lab(75.84, -27.47, -24.46)
CIE-LCH	lch(75.84, 36.79, 221.68°)
OKLab	oklab(78.09% -0.0995 -0.0682)
OKLCH	oklch(78.09% 0.121 214.4)
XYZ	xyz(38.0204, 49.6352, 83.1626)
Luminance	0.4964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CBE7 #E75E42

analogous

#42E7B1 #42CBE7 #4278E7

triadic

#42CBE7 #E742CB #CBE742

tetradic

#42CBE7 #B142E7 #E75E42 #78E742

square

#42CBE7 #B142E7 #E75E42 #78E742

split-complementary

#42CBE7 #E74278 #E7B142

monochromatic

#14849B #1BB2D1 #42CBE7 #78DAEE #AFE9F5

Accessibility & contrast

On white

1.92

#42CBE7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.93

#42CBE7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CBE7

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CBE7	#FFFFFF	#000000	##000000
##42CBE7	1.00	1.92	10.93	10.93
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.93	21.00	1.00	1.00
##000000	10.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C4E9

Deuteranopia (green-blind)

#A0B4E7

Tritanopia (blue-blind)

#00D6D4

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #42cbe7;
/* rgb */ color: rgb(66, 203, 231);
/* oklch */ color: oklch(78.1% 0.121 214.4);

Tailwind

colors: {
  custom: {
    50: '#8cdbee',
    500: '#42cbe7',
    950: '#000000',
  },
}

SCSS

$custom: #42cbe7;
$custom-light: #8cdbee;
$custom-dark: #000000;

JSON

{
  "hex": "#42cbe7",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 231
  },
  "hsl": {
    "h": 190.182,
    "s": 77.465,
    "l": 58.235
  },
  "oklch": {
    "l": 0.7809,
    "c": 0.12058,
    "h": 214.4
  },
  "luminance": 0.4964
}

Semantic roles & 50–950 ramp

primary

#42CBE7

secondary

#E3ADA2

accent

#5434F4

background

#F9FDFE

surface

#F2FBFD

border

#CCD4D5

text

#0E1516

muted

#7E8384

Preview Lab

Preview with #42CBE7

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

Preview Lab → · Contrast checker → · Palette generator →