#42B8CE#42B8CE

#42B8CE is a light, moderate teal. Relative luminance 0.399; OKLCH L 72.6% C 0.107 H 212.4°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#42B8CE
RGB	rgb(66, 184, 206)
HSL	hsl(189, 59%, 53%)
HSV	hsv(189, 68%, 81%)
CMYK	cmyk(68%, 10.7%, 0%, 19.2%)
CIE-LAB	lab(69.39, -25.67, -20.72)
CIE-LCH	lch(69.39, 32.99, 218.90°)
OKLab	oklab(72.61% -0.0906 -0.0576)
OKLCH	oklch(72.61% 0.107 212.4)
XYZ	xyz(30.5231, 39.8920, 64.4718)
Luminance	0.3990 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B8CE #CE5842

analogous

#42CE9E #42B8CE #4272CE

triadic

#42B8CE #CE42B8 #B8CE42

tetradic

#42B8CE #9E42CE #CE5842 #72CE42

square

#42B8CE #9E42CE #CE5842 #72CE42

split-complementary

#42B8CE #CE4272 #CE9E42

monochromatic

#1F6977 #2B94A7 #42B8CE #73CADB #A3DDE7

Accessibility & contrast

On white

2.34

#42B8CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#42B8CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B8CE

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B8CE	#FFFFFF	#000000	##000000
##42B8CE	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B2CF

Deuteranopia (green-blind)

#93A3CE

Tritanopia (blue-blind)

#00C1BF

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #42b8ce;
/* rgb */ color: rgb(66, 184, 206);
/* oklch */ color: oklch(72.6% 0.107 212.4);

Tailwind

colors: {
  custom: {
    50: '#88cddd',
    500: '#42b8ce',
    950: '#000000',
  },
}

SCSS

$custom: #42b8ce;
$custom-light: #88cddd;
$custom-dark: #000000;

JSON

{
  "hex": "#42b8ce",
  "rgb": {
    "r": 66,
    "g": 184,
    "b": 206
  },
  "hsl": {
    "h": 189.429,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72607,
    "c": 0.10738,
    "h": 212.4
  },
  "luminance": 0.39895
}

Semantic roles & 50–950 ramp

primary

#42B8CE

secondary

#D4A198

accent

#5E46E2

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #42B8CE

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

Preview Lab → · Contrast checker → · Palette generator →