#42BCED#42BCED

#42BCED is a light, vivid cyan. Relative luminance 0.432; OKLCH L 74.9% C 0.127 H 229.1°. Best body text is #000000 at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#42BCED
RGB	rgb(66, 188, 237)
HSL	hsl(197, 83%, 59%)
HSV	hsv(197, 72%, 93%)
CMYK	cmyk(72.2%, 20.7%, 0%, 7.1%)
CIE-LAB	lab(71.71, -17.96, -34.06)
CIE-LCH	lch(71.71, 38.50, 242.19°)
OKLab	oklab(74.85% -0.0829 -0.0956)
OKLCH	oklch(74.85% 0.127 229.1)
XYZ	xyz(35.5099, 43.2350, 86.5780)
Luminance	0.4324 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCED #ED7342

analogous

#42EDC9 #42BCED #4267ED

triadic

#42BCED #ED42BC #BCED42

tetradic

#42BCED #C942ED #ED7342 #67ED42

square

#42BCED #C942ED #ED7342 #67ED42

split-complementary

#42BCED #ED4267 #EDC942

monochromatic

#107AA5 #15A4DD #42BCED #7AD0F2 #B2E4F8

Accessibility & contrast

On white

2.18

#42BCED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.65

#42BCED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCED

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCED	#FFFFFF	#000000	##000000
##42BCED	1.00	2.18	9.65	9.65
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.65	21.00	1.00	1.00
##000000	9.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B9EF

Deuteranopia (green-blind)

#8BA8EC

Tritanopia (blue-blind)

#00CACC

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42bced;
/* rgb */ color: rgb(66, 188, 237);
/* oklch */ color: oklch(74.9% 0.127 229.1);

Tailwind

colors: {
  custom: {
    50: '#8cd0f3',
    500: '#42bced',
    950: '#000000',
  },
}

SCSS

$custom: #42bced;
$custom-light: #8cd0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#42bced",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 237
  },
  "hsl": {
    "h": 197.193,
    "s": 82.609,
    "l": 59.412
  },
  "oklch": {
    "l": 0.7485,
    "c": 0.12651,
    "h": 229.1
  },
  "luminance": 0.43239
}

Semantic roles & 50–950 ramp

primary

#42BCED

secondary

#E7B7A4

accent

#692FF9

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1417

muted

#7E8285

Preview Lab

Preview with #42BCED

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

Preview Lab → · Contrast checker → · Palette generator →