#42B1D6#42B1D6

#42B1D6 is a light, moderate cyan. Relative luminance 0.375; OKLCH L 71.3% C 0.112 H 224.0°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#42B1D6
RGB	rgb(66, 177, 214)
HSL	hsl(195, 64%, 55%)
HSV	hsv(195, 69%, 84%)
CMYK	cmyk(69.2%, 17.3%, 0%, 16.1%)
CIE-LAB	lab(67.62, -19.60, -27.83)
CIE-LCH	lch(67.62, 34.04, 234.84°)
OKLab	oklab(71.28% -0.0805 -0.0778)
OKLCH	oklch(71.28% 0.112 224)
XYZ	xyz(30.1016, 37.4542, 69.2482)
Luminance	0.3746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B1D6 #D66742

analogous

#42D6B1 #42B1D6 #4267D6

triadic

#42B1D6 #D642B1 #B1D642

tetradic

#42B1D6 #B142D6 #D66742 #67D642

square

#42B1D6 #B142D6 #D66742 #67D642

split-complementary

#42B1D6 #D64267 #D6B142

monochromatic

#1C6882 #2791B4 #42B1D6 #74C6E1 #A7DBEC

Accessibility & contrast

On white

2.47

#42B1D6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.49

#42B1D6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B1D6

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B1D6	#FFFFFF	#000000	##000000
##42B1D6	1.00	2.47	8.49	8.49
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.49	21.00	1.00	1.00
##000000	8.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CADD8

Deuteranopia (green-blind)

#889ED6

Tritanopia (blue-blind)

#00BCBD

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #42b1d6;
/* rgb */ color: rgb(66, 177, 214);
/* oklch */ color: oklch(71.3% 0.112 224.0);

Tailwind

colors: {
  custom: {
    50: '#88c8e2',
    500: '#42b1d6',
    950: '#000000',
  },
}

SCSS

$custom: #42b1d6;
$custom-light: #88c8e2;
$custom-dark: #000000;

JSON

{
  "hex": "#42b1d6",
  "rgb": {
    "r": 66,
    "g": 177,
    "b": 214
  },
  "hsl": {
    "h": 195,
    "s": 64.348,
    "l": 54.902
  },
  "oklch": {
    "l": 0.71277,
    "c": 0.11196,
    "h": 224
  },
  "luminance": 0.37458
}

Semantic roles & 50–950 ramp

primary

#42B1D6

secondary

#D9AA9B

accent

#6A40E7

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #42B1D6

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

Preview Lab → · Contrast checker → · Palette generator →