#42AECC#42AECC

#42AECC is a light, moderate cyan. Relative luminance 0.358; OKLCH L 70.1% C 0.106 H 219.8°. Best body text is #000000 at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#42AECC
RGB	rgb(66, 174, 204)
HSL	hsl(193, 58%, 53%)
HSV	hsv(193, 68%, 80%)
CMYK	cmyk(67.6%, 14.7%, 0%, 20%)
CIE-LAB	lab(66.36, -21.20, -24.25)
CIE-LCH	lch(66.36, 32.21, 228.84°)
OKLab	oklab(70.14% -0.0813 -0.0676)
OKLCH	oklch(70.14% 0.106 219.8)
XYZ	xyz(28.2774, 35.7869, 62.5323)
Luminance	0.3579 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AECC #CC6042

analogous

#42CCA5 #42AECC #4269CC

triadic

#42AECC #CC42AE #AECC42

tetradic

#42AECC #A542CC #CC6042 #69CC42

square

#42AECC #A542CC #CC6042 #69CC42

split-complementary

#42AECC #CC4269 #CCA542

monochromatic

#1F6274 #2C8AA4 #42AECC #72C3D9 #A2D7E6

Accessibility & contrast

On white

2.57

#42AECC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.16

#42AECC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AECC

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AECC	#FFFFFF	#000000	##000000
##42AECC	1.00	2.57	8.16	8.16
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.16	21.00	1.00	1.00
##000000	8.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CA9CE

Deuteranopia (green-blind)

#889BCC

Tritanopia (blue-blind)

#00B8B7

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #42aecc;
/* rgb */ color: rgb(66, 174, 204);
/* oklch */ color: oklch(70.1% 0.106 219.8);

Tailwind

colors: {
  custom: {
    50: '#87c6db',
    500: '#42aecc',
    950: '#000000',
  },
}

SCSS

$custom: #42aecc;
$custom-light: #87c6db;
$custom-dark: #000000;

JSON

{
  "hex": "#42aecc",
  "rgb": {
    "r": 66,
    "g": 174,
    "b": 204
  },
  "hsl": {
    "h": 193.043,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.70144,
    "c": 0.10574,
    "h": 219.8
  },
  "luminance": 0.3579
}

Semantic roles & 50–950 ramp

primary

#42AECC

secondary

#D3A497

accent

#6847E1

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #42AECC

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

Preview Lab → · Contrast checker → · Palette generator →