#42B5BE#42B5BE

#42B5BE is a light, moderate teal. Relative luminance 0.379; OKLCH L 71.3% C 0.102 H 202.5°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#42B5BE
RGB	rgb(66, 181, 190)
HSL	hsl(184, 49%, 50%)
HSV	hsv(184, 65%, 75%)
CMYK	cmyk(65.3%, 4.7%, 0%, 25.5%)
CIE-LAB	lab(67.96, -28.97, -14.08)
CIE-LCH	lch(67.96, 32.21, 205.92°)
OKLab	oklab(71.28% -0.0941 -0.039)
OKLCH	oklch(71.28% 0.102 202.5)
XYZ	xyz(28.0609, 37.9206, 54.5458)
Luminance	0.3792 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B5BE #BE4B42

analogous

#42BE89 #42B5BE #4277BE

triadic

#42B5BE #BE42B5 #B5BE42

tetradic

#42B5BE #8942BE #BE4B42 #77BE42

square

#42B5BE #8942BE #BE4B42 #77BE42

split-complementary

#42B5BE #BE4277 #BE8942

monochromatic

#225F63 #328A91 #42B5BE #70C7CE #9DD9DD

Accessibility & contrast

On white

2.45

#42B5BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#42B5BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B5BE

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B5BE	#FFFFFF	#000000	##000000
##42B5BE	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8AEBF

Deuteranopia (green-blind)

#95A0BF

Tritanopia (blue-blind)

#00BCB7

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #42b5be;
/* rgb */ color: rgb(66, 181, 190);
/* oklch */ color: oklch(71.3% 0.102 202.5);

Tailwind

colors: {
  custom: {
    50: '#86cbd1',
    500: '#42b5be',
    950: '#000000',
  },
}

SCSS

$custom: #42b5be;
$custom-light: #86cbd1;
$custom-dark: #000000;

JSON

{
  "hex": "#42b5be",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 190
  },
  "hsl": {
    "h": 184.355,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.71276,
    "c": 0.10191,
    "h": 202.5
  },
  "luminance": 0.37924
}

Semantic roles & 50–950 ramp

primary

#42B5BE

secondary

#CA9692

accent

#594FD8

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #42B5BE

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

Preview Lab → · Contrast checker → · Palette generator →