#42BEDD#42BEDD

#42BEDD is a light, moderate cyan. Relative luminance 0.432; OKLCH L 74.6% C 0.115 H 218.0°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#42BEDD
RGB	rgb(66, 190, 221)
HSL	hsl(192, 70%, 56%)
HSV	hsv(192, 70%, 87%)
CMYK	cmyk(70.1%, 14%, 0%, 13.3%)
CIE-LAB	lab(71.69, -24.07, -25.40)
CIE-LCH	lch(71.69, 35.00, 226.54°)
OKLab	oklab(74.63% -0.0907 -0.0709)
OKLCH	oklch(74.63% 0.115 218)
XYZ	xyz(33.7059, 43.2017, 74.9550)
Luminance	0.4321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BEDD #DD6142

analogous

#42DDAF #42BEDD #4271DD

triadic

#42BEDD #DD42BE #BEDD42

tetradic

#42BEDD #AF42DD #DD6142 #71DD42

square

#42BEDD #AF42DD #DD6142 #71DD42

split-complementary

#42BEDD #DD4271 #DDAF42

monochromatic

#19758C #22A0BF #42BEDD #76D0E6 #AAE2F0

Accessibility & contrast

On white

2.18

#42BEDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.64

#42BEDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BEDD

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BEDD	#FFFFFF	#000000	##000000
##42BEDD	1.00	2.18	9.64	9.64
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.64	21.00	1.00	1.00
##000000	9.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB9DF

Deuteranopia (green-blind)

#95A9DD

Tritanopia (blue-blind)

#00C9C8

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42bedd;
/* rgb */ color: rgb(66, 190, 221);
/* oklch */ color: oklch(74.6% 0.115 218.0);

Tailwind

colors: {
  custom: {
    50: '#8ad1e7',
    500: '#42bedd',
    950: '#000000',
  },
}

SCSS

$custom: #42bedd;
$custom-light: #8ad1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42bedd",
  "rgb": {
    "r": 66,
    "g": 190,
    "b": 221
  },
  "hsl": {
    "h": 192,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.74632,
    "c": 0.1151,
    "h": 218
  },
  "luminance": 0.43206
}

Semantic roles & 50–950 ramp

primary

#42BEDD

secondary

#DDAA9D

accent

#5F3BEC

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #42BEDD

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

Preview Lab → · Contrast checker → · Palette generator →