#42C3DA#42C3DA

#42C3DA is a light, moderate teal. Relative luminance 0.453; OKLCH L 75.7% C 0.114 H 212.0°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#42C3DA
RGB	rgb(66, 195, 218)
HSL	hsl(189, 67%, 56%)
HSV	hsv(189, 70%, 85%)
CMYK	cmyk(69.7%, 10.6%, 0%, 14.5%)
CIE-LAB	lab(73.05, -27.49, -21.69)
CIE-LCH	lch(73.05, 35.02, 218.28°)
OKLab	oklab(75.69% -0.0968 -0.0604)
OKLCH	oklch(75.69% 0.114 212)
XYZ	xyz(34.4114, 45.2465, 73.2359)
Luminance	0.4525 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C3DA #DA5942

analogous

#42DAA5 #42C3DA #4277DA

triadic

#42C3DA #DA42C3 #C3DA42

tetradic

#42C3DA #A542DA #DA5942 #77DA42

square

#42C3DA #A542DA #DA5942 #77DA42

split-complementary

#42C3DA #DA4277 #DAA542

monochromatic

#1A7787 #24A4BA #42C3DA #75D3E4 #A8E3EE

Accessibility & contrast

On white

2.09

#42C3DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#42C3DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C3DA

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C3DA	#FFFFFF	#000000	##000000
##42C3DA	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1BCDB

Deuteranopia (green-blind)

#9BADDA

Tritanopia (blue-blind)

#00CDCA

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42c3da;
/* rgb */ color: rgb(66, 195, 218);
/* oklch */ color: oklch(75.7% 0.114 212.0);

Tailwind

colors: {
  custom: {
    50: '#8ad5e5',
    500: '#42c3da',
    950: '#000000',
  },
}

SCSS

$custom: #42c3da;
$custom-light: #8ad5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#42c3da",
  "rgb": {
    "r": 66,
    "g": 195,
    "b": 218
  },
  "hsl": {
    "h": 189.079,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.75693,
    "c": 0.11406,
    "h": 212
  },
  "luminance": 0.4525
}

Semantic roles & 50–950 ramp

primary

#42C3DA

secondary

#DBA69C

accent

#583EEA

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1415

muted

#7E8384

Preview Lab

Preview with #42C3DA

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

Preview Lab → · Contrast checker → · Palette generator →