#42BCD0#42BCD0

#42BCD0 is a light, moderate teal. Relative luminance 0.417; OKLCH L 73.6% C 0.109 H 210.5°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#42BCD0
RGB	rgb(66, 188, 208)
HSL	hsl(188, 60%, 54%)
HSV	hsv(188, 68%, 82%)
CMYK	cmyk(68.3%, 9.6%, 0%, 18.4%)
CIE-LAB	lab(70.65, -27.06, -19.91)
CIE-LCH	lch(70.65, 33.59, 216.34°)
OKLab	oklab(73.64% -0.0938 -0.0553)
OKLCH	oklch(73.64% 0.109 210.5)
XYZ	xyz(31.6103, 41.6752, 66.0404)
Luminance	0.4168 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCD0 #D05642

analogous

#42D09D #42BCD0 #4275D0

triadic

#42BCD0 #D042BC #BCD042

tetradic

#42BCD0 #9D42D0 #D05642 #75D042

square

#42BCD0 #9D42D0 #D05642 #75D042

split-complementary

#42BCD0 #D04275 #D09D42

monochromatic

#1E6D79 #2A98AA #42BCD0 #73CDDC #A4DFE8

Accessibility & contrast

On white

2.25

#42BCD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.34

#42BCD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCD0

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCD0	#FFFFFF	#000000	##000000
##42BCD0	1.00	2.25	9.34	9.34
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.34	21.00	1.00	1.00
##000000	9.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB5D1

Deuteranopia (green-blind)

#97A6D0

Tritanopia (blue-blind)

#00C5C2

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #42bcd0;
/* rgb */ color: rgb(66, 188, 208);
/* oklch */ color: oklch(73.6% 0.109 210.5);

Tailwind

colors: {
  custom: {
    50: '#88d0de',
    500: '#42bcd0',
    950: '#000000',
  },
}

SCSS

$custom: #42bcd0;
$custom-light: #88d0de;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcd0",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 208
  },
  "hsl": {
    "h": 188.451,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.7364,
    "c": 0.10894,
    "h": 210.5
  },
  "luminance": 0.41679
}

Semantic roles & 50–950 ramp

primary

#42BCD0

secondary

#D5A199

accent

#5B44E3

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #42BCD0

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

Preview Lab → · Contrast checker → · Palette generator →