#42AECE#42AECE

#42AECE is a light, moderate cyan. Relative luminance 0.359; OKLCH L 70.2% C 0.107 H 221.2°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#42AECE
RGB	rgb(66, 174, 206)
HSL	hsl(194, 59%, 53%)
HSV	hsv(194, 68%, 81%)
CMYK	cmyk(68%, 15.5%, 0%, 19.2%)
CIE-LAB	lab(66.43, -20.57, -25.24)
CIE-LCH	lch(66.43, 32.56, 230.82°)
OKLab	oklab(70.23% -0.0805 -0.0704)
OKLCH	oklch(70.23% 0.107 221.2)
XYZ	xyz(28.5188, 35.8834, 63.8037)
Luminance	0.3589 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AECE #CE6242

analogous

#42CEA8 #42AECE #4268CE

triadic

#42AECE #CE42AE #AECE42

tetradic

#42AECE #A842CE #CE6242 #68CE42

square

#42AECE #A842CE #CE6242 #68CE42

split-complementary

#42AECE #CE4268 #CEA842

monochromatic

#1F6377 #2B8BA7 #42AECE #73C3DB #A3D8E7

Accessibility & contrast

On white

2.57

#42AECE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#42AECE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AECE

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AECE	#FFFFFF	#000000	##000000
##42AECE	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BAAD0

Deuteranopia (green-blind)

#879BCE

Tritanopia (blue-blind)

#00B8B8

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #42aece;
/* rgb */ color: rgb(66, 174, 206);
/* oklch */ color: oklch(70.2% 0.107 221.2);

Tailwind

colors: {
  custom: {
    50: '#87c6dd',
    500: '#42aece',
    950: '#000000',
  },
}

SCSS

$custom: #42aece;
$custom-light: #87c6dd;
$custom-dark: #000000;

JSON

{
  "hex": "#42aece",
  "rgb": {
    "r": 66,
    "g": 174,
    "b": 206
  },
  "hsl": {
    "h": 193.714,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.70228,
    "c": 0.10698,
    "h": 221.2
  },
  "luminance": 0.35887
}

Semantic roles & 50–950 ramp

primary

#42AECE

secondary

#D4A698

accent

#6946E2

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #42AECE

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

Preview Lab → · Contrast checker → · Palette generator →