#42C7D8#42C7D8

#42C7D8 is a light, moderate teal. Relative luminance 0.470; OKLCH L 76.6% C 0.114 H 207.4°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#42C7D8
RGB	rgb(66, 199, 216)
HSL	hsl(187, 66%, 55%)
HSV	hsv(187, 69%, 85%)
CMYK	cmyk(69.4%, 7.9%, 0%, 15.3%)
CIE-LAB	lab(74.16, -30.05, -18.92)
CIE-LCH	lch(74.16, 35.51, 212.20°)
OKLab	oklab(76.57% -0.1015 -0.0526)
OKLCH	oklch(76.57% 0.114 207.4)
XYZ	xyz(35.0595, 46.9589, 72.1687)
Luminance	0.4696 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C7D8 #D85342

analogous

#42D89E #42C7D8 #427CD8

triadic

#42C7D8 #D842C7 #C7D842

tetradic

#42C7D8 #9E42D8 #D85342 #7CD842

square

#42C7D8 #9E42D8 #D85342 #7CD842

split-complementary

#42C7D8 #D8427C #D89E42

monochromatic

#1B7884 #26A7B7 #42C7D8 #75D6E2 #A7E5ED

Accessibility & contrast

On white

2.02

#42C7D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.39

#42C7D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7D8

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C7D8	#FFFFFF	#000000	##000000
##42C7D8	1.00	2.02	10.39	10.39
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.39	21.00	1.00	1.00
##000000	10.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6BFD9

Deuteranopia (green-blind)

#A1B0D8

Tritanopia (blue-blind)

#00D0CC

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #42c7d8;
/* rgb */ color: rgb(66, 199, 216);
/* oklch */ color: oklch(76.6% 0.114 207.4);

Tailwind

colors: {
  custom: {
    50: '#8ad8e4',
    500: '#42c7d8',
    950: '#000000',
  },
}

SCSS

$custom: #42c7d8;
$custom-light: #8ad8e4;
$custom-dark: #000000;

JSON

{
  "hex": "#42c7d8",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 216
  },
  "hsl": {
    "h": 186.8,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.76565,
    "c": 0.11433,
    "h": 207.4
  },
  "luminance": 0.46963
}

Semantic roles & 50–950 ramp

primary

#42C7D8

secondary

#DAA39C

accent

#523FE9

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C7D8

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

Preview Lab → · Contrast checker → · Palette generator →