#42C3D9#42C3D9

#42C3D9 is a light, moderate teal. Relative luminance 0.452; OKLCH L 75.7% C 0.114 H 211.2°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#42C3D9
RGB	rgb(66, 195, 217)
HSL	hsl(189, 67%, 55%)
HSV	hsv(189, 70%, 85%)
CMYK	cmyk(69.6%, 10.1%, 0%, 14.9%)
CIE-LAB	lab(73.02, -27.79, -21.20)
CIE-LCH	lch(73.02, 34.96, 217.34°)
OKLab	oklab(75.65% -0.0972 -0.059)
OKLCH	oklch(75.65% 0.114 211.2)
XYZ	xyz(34.2809, 45.1943, 72.5488)
Luminance	0.4520 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C3D9 #D95842

analogous

#42D9A4 #42C3D9 #4277D9

triadic

#42C3D9 #D942C3 #C3D942

tetradic

#42C3D9 #A442D9 #D95842 #77D942

square

#42C3D9 #A442D9 #D95842 #77D942

split-complementary

#42C3D9 #D94277 #D9A442

monochromatic

#1B7686 #25A3B9 #42C3D9 #75D3E3 #A8E3ED

Accessibility & contrast

On white

2.09

#42C3D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#42C3D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C3D9

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C3D9	#FFFFFF	#000000	##000000
##42C3D9	1.00	2.09	10.04	10.04
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.04	21.00	1.00	1.00
##000000	10.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1BCDA

Deuteranopia (green-blind)

#9CACD9

Tritanopia (blue-blind)

#00CCCA

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42c3d9;
/* rgb */ color: rgb(66, 195, 217);
/* oklch */ color: oklch(75.7% 0.114 211.2);

Tailwind

colors: {
  custom: {
    50: '#8ad5e4',
    500: '#42c3d9',
    950: '#000000',
  },
}

SCSS

$custom: #42c3d9;
$custom-light: #8ad5e4;
$custom-dark: #000000;

JSON

{
  "hex": "#42c3d9",
  "rgb": {
    "r": 66,
    "g": 195,
    "b": 217
  },
  "hsl": {
    "h": 188.742,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.75654,
    "c": 0.11367,
    "h": 211.2
  },
  "luminance": 0.45198
}

Semantic roles & 50–950 ramp

primary

#42C3D9

secondary

#DBA59C

accent

#573EE9

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C3D9

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

Preview Lab → · Contrast checker → · Palette generator →