#42AECD#42AECD

#42AECD is a light, moderate cyan. Relative luminance 0.358; OKLCH L 70.2% C 0.106 H 220.5°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#42AECD
RGB	rgb(66, 174, 205)
HSL	hsl(193, 58%, 53%)
HSV	hsv(193, 68%, 80%)
CMYK	cmyk(67.8%, 15.1%, 0%, 19.6%)
CIE-LAB	lab(66.39, -20.88, -24.75)
CIE-LCH	lch(66.39, 32.38, 229.84°)
OKLab	oklab(70.19% -0.0809 -0.069)
OKLCH	oklch(70.19% 0.106 220.5)
XYZ	xyz(28.3977, 35.8350, 63.1660)
Luminance	0.3584 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AECD #CD6142

analogous

#42CDA6 #42AECD #4268CD

triadic

#42AECD #CD42AE #AECD42

tetradic

#42AECD #A642CD #CD6142 #68CD42

square

#42AECD #A642CD #CD6142 #68CD42

split-complementary

#42AECD #CD4268 #CDA642

monochromatic

#1F6276 #2C8BA6 #42AECD #72C3DA #A3D7E7

Accessibility & contrast

On white

2.57

#42AECD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#42AECD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AECD

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AECD	#FFFFFF	#000000	##000000
##42AECD	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BAACF

Deuteranopia (green-blind)

#889BCD

Tritanopia (blue-blind)

#00B8B8

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #42aecd;
/* rgb */ color: rgb(66, 174, 205);
/* oklch */ color: oklch(70.2% 0.106 220.5);

Tailwind

colors: {
  custom: {
    50: '#87c6dc',
    500: '#42aecd',
    950: '#000000',
  },
}

SCSS

$custom: #42aecd;
$custom-light: #87c6dc;
$custom-dark: #000000;

JSON

{
  "hex": "#42aecd",
  "rgb": {
    "r": 66,
    "g": 174,
    "b": 205
  },
  "hsl": {
    "h": 193.381,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.70186,
    "c": 0.10635,
    "h": 220.5
  },
  "luminance": 0.35838
}

Semantic roles & 50–950 ramp

primary

#42AECD

secondary

#D3A597

accent

#6946E1

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #42AECD

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

Preview Lab → · Contrast checker → · Palette generator →