#42C8DE#42C8DE

#42C8DE is a light, moderate teal. Relative luminance 0.477; OKLCH L 77.0% C 0.116 H 210.8°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#42C8DE
RGB	rgb(66, 200, 222)
HSL	hsl(188, 70%, 56%)
HSV	hsv(188, 70%, 87%)
CMYK	cmyk(70.3%, 9.9%, 0%, 12.9%)
CIE-LAB	lab(74.66, -28.74, -21.42)
CIE-LCH	lch(74.66, 35.84, 216.70°)
OKLab	oklab(77.03% -0.1001 -0.0596)
OKLCH	oklch(77.03% 0.116 210.8)
XYZ	xyz(36.0802, 47.7365, 76.4056)
Luminance	0.4774 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C8DE #DE5842

analogous

#42DEA6 #42C8DE #427ADE

triadic

#42C8DE #DE42C8 #C8DE42

tetradic

#42C8DE #A642DE #DE5842 #7ADE42

square

#42C8DE #A642DE #DE5842 #7ADE42

split-complementary

#42C8DE #DE427A #DEA642

monochromatic

#197D8D #22ABC1 #42C8DE #76D7E7 #AAE6F0

Accessibility & contrast

On white

1.99

#42C8DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#42C8DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8DE

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C8DE	#FFFFFF	#000000	##000000
##42C8DE	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C1DF

Deuteranopia (green-blind)

#A0B1DE

Tritanopia (blue-blind)

#00D2CF

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #42c8de;
/* rgb */ color: rgb(66, 200, 222);
/* oklch */ color: oklch(77.0% 0.116 210.8);

Tailwind

colors: {
  custom: {
    50: '#8bd9e8',
    500: '#42c8de',
    950: '#000000',
  },
}

SCSS

$custom: #42c8de;
$custom-light: #8bd9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#42c8de",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 222
  },
  "hsl": {
    "h": 188.462,
    "s": 70.27,
    "l": 56.471
  },
  "oklch": {
    "l": 0.77031,
    "c": 0.11649,
    "h": 210.8
  },
  "luminance": 0.47741
}

Semantic roles & 50–950 ramp

primary

#42C8DE

secondary

#DEA79E

accent

#543BED

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #42C8DE

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

Preview Lab → · Contrast checker → · Palette generator →