#42AECB#42AECB

#42AECB is a light, moderate cyan. Relative luminance 0.357; OKLCH L 70.1% C 0.105 H 219.0°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#42AECB
RGB	rgb(66, 174, 203)
HSL	hsl(193, 57%, 53%)
HSV	hsv(193, 67%, 80%)
CMYK	cmyk(67.5%, 14.3%, 0%, 20.4%)
CIE-LAB	lab(66.32, -21.51, -23.75)
CIE-LCH	lch(66.32, 32.05, 227.84°)
OKLab	oklab(70.1% -0.0817 -0.0662)
OKLCH	oklch(70.1% 0.105 219)
XYZ	xyz(28.1579, 35.7390, 61.9027)
Luminance	0.3574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AECB #CB5F42

analogous

#42CBA4 #42AECB #4269CB

triadic

#42AECB #CB42AE #AECB42

tetradic

#42AECB #A442CB #CB5F42 #69CB42

square

#42AECB #A442CB #CB5F42 #69CB42

split-complementary

#42AECB #CB4269 #CBA442

monochromatic

#206173 #2D8AA3 #42AECB #72C3D8 #A2D7E5

Accessibility & contrast

On white

2.58

#42AECB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#42AECB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AECB

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AECB	#FFFFFF	#000000	##000000
##42AECB	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CA9CD

Deuteranopia (green-blind)

#889BCB

Tritanopia (blue-blind)

#00B8B7

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #42aecb;
/* rgb */ color: rgb(66, 174, 203);
/* oklch */ color: oklch(70.1% 0.105 219.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42aecb",
  "rgb": {
    "r": 66,
    "g": 174,
    "b": 203
  },
  "hsl": {
    "h": 192.701,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.70102,
    "c": 0.10514,
    "h": 219
  },
  "luminance": 0.35742
}

Semantic roles & 50–950 ramp

primary

#42AECB

secondary

#D2A397

accent

#6848E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #42AECB

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

Preview Lab → · Contrast checker → · Palette generator →