#42BEDF#42BEDF

#42BEDF is a light, moderate cyan. Relative luminance 0.433; OKLCH L 74.7% C 0.116 H 219.3°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#42BEDF
RGB	rgb(66, 190, 223)
HSL	hsl(193, 71%, 57%)
HSV	hsv(193, 70%, 87%)
CMYK	cmyk(70.4%, 14.8%, 0%, 12.5%)
CIE-LAB	lab(71.76, -23.45, -26.38)
CIE-LCH	lch(71.76, 35.29, 228.37°)
OKLab	oklab(74.71% -0.0899 -0.0736)
OKLCH	oklch(74.71% 0.116 219.3)
XYZ	xyz(33.9740, 43.3090, 76.3667)
Luminance	0.4331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BEDF #DF6342

analogous

#42DFB1 #42BEDF #4270DF

triadic

#42BEDF #DF42BE #BEDF42

tetradic

#42BEDF #B142DF #DF6342 #70DF42

square

#42BEDF #B142DF #DF6342 #70DF42

split-complementary

#42BEDF #DF4270 #DFB142

monochromatic

#18768E #21A1C3 #42BEDF #76D0E8 #ABE2F1

Accessibility & contrast

On white

2.17

#42BEDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.66

#42BEDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BEDF

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BEDF	#FFFFFF	#000000	##000000
##42BEDF	1.00	2.17	9.66	9.66
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.66	21.00	1.00	1.00
##000000	9.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B9E1

Deuteranopia (green-blind)

#94A9DF

Tritanopia (blue-blind)

#00C9C8

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42bedf;
/* rgb */ color: rgb(66, 190, 223);
/* oklch */ color: oklch(74.7% 0.116 219.3);

Tailwind

colors: {
  custom: {
    50: '#8ad1e9',
    500: '#42bedf',
    950: '#000000',
  },
}

SCSS

$custom: #42bedf;
$custom-light: #8ad1e9;
$custom-dark: #000000;

JSON

{
  "hex": "#42bedf",
  "rgb": {
    "r": 66,
    "g": 190,
    "b": 223
  },
  "hsl": {
    "h": 192.611,
    "s": 71.041,
    "l": 56.667
  },
  "oklch": {
    "l": 0.74714,
    "c": 0.11623,
    "h": 219.3
  },
  "luminance": 0.43313
}

Semantic roles & 50–950 ramp

primary

#42BEDF

secondary

#DFAC9E

accent

#603AEE

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #42BEDF

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

Preview Lab → · Contrast checker → · Palette generator →