#42B3C8#42B3C8

#42B3C8 is a light, moderate teal. Relative luminance 0.376; OKLCH L 71.2% C 0.104 H 212.3°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#42B3C8
RGB	rgb(66, 179, 200)
HSL	hsl(189, 55%, 52%)
HSV	hsv(189, 67%, 78%)
CMYK	cmyk(67%, 10.5%, 0%, 21.6%)
CIE-LAB	lab(67.70, -24.99, -19.99)
CIE-LCH	lch(67.70, 32.00, 218.66°)
OKLab	oklab(71.18% -0.088 -0.0556)
OKLCH	oklch(71.18% 0.104 212.3)
XYZ	xyz(28.7878, 37.5654, 60.3660)
Luminance	0.3757 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B3C8 #C85742

analogous

#42C89A #42B3C8 #4270C8

triadic

#42B3C8 #C842B3 #B3C842

tetradic

#42B3C8 #9A42C8 #C85742 #70C842

square

#42B3C8 #9A42C8 #C85742 #70C842

split-complementary

#42B3C8 #C84270 #C89A42

monochromatic

#20636F #2E8D9F #42B3C8 #71C6D6 #A1D9E4

Accessibility & contrast

On white

2.47

#42B3C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.51

#42B3C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B3C8

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B3C8	#FFFFFF	#000000	##000000
##42B3C8	1.00	2.47	8.51	8.51
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.51	21.00	1.00	1.00
##000000	8.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3ADC9

Deuteranopia (green-blind)

#8F9FC8

Tritanopia (blue-blind)

#00BCB9

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #42b3c8;
/* rgb */ color: rgb(66, 179, 200);
/* oklch */ color: oklch(71.2% 0.104 212.3);

Tailwind

colors: {
  custom: {
    50: '#87cad8',
    500: '#42b3c8',
    950: '#000000',
  },
}

SCSS

$custom: #42b3c8;
$custom-light: #87cad8;
$custom-dark: #000000;

JSON

{
  "hex": "#42b3c8",
  "rgb": {
    "r": 66,
    "g": 179,
    "b": 200
  },
  "hsl": {
    "h": 189.403,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.71175,
    "c": 0.10405,
    "h": 212.3
  },
  "luminance": 0.37569
}

Semantic roles & 50–950 ramp

primary

#42B3C8

secondary

#D09F96

accent

#614ADE

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0D1314

muted

#7D8283

Preview Lab

Preview with #42B3C8

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

Preview Lab → · Contrast checker → · Palette generator →