#42C6DD#42C6DD

#42C6DD is a light, moderate teal. Relative luminance 0.468; OKLCH L 76.5% C 0.116 H 211.6°. Best body text is #000000 at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#42C6DD
RGB	rgb(66, 198, 221)
HSL	hsl(189, 70%, 56%)
HSV	hsv(189, 70%, 87%)
CMYK	cmyk(70.1%, 10.4%, 0%, 13.3%)
CIE-LAB	lab(74.04, -28.06, -21.82)
CIE-LCH	lch(74.04, 35.55, 217.87°)
OKLab	oklab(76.52% -0.0985 -0.0607)
OKLCH	oklch(76.52% 0.116 211.6)
XYZ	xyz(35.4864, 46.7628, 75.5485)
Luminance	0.4677 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C6DD #DD5942

analogous

#42DDA7 #42C6DD #4279DD

triadic

#42C6DD #DD42C6 #C6DD42

tetradic

#42C6DD #A742DD #DD5942 #79DD42

square

#42C6DD #A742DD #DD5942 #79DD42

split-complementary

#42C6DD #DD4279 #DDA742

monochromatic

#197B8C #22A8BF #42C6DD #76D6E6 #AAE5F0

Accessibility & contrast

On white

2.03

#42C6DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.35

#42C6DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C6DD

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C6DD	#FFFFFF	#000000	##000000
##42C6DD	1.00	2.03	10.35	10.35
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.35	21.00	1.00	1.00
##000000	10.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4BFDE

Deuteranopia (green-blind)

#9EAFDD

Tritanopia (blue-blind)

#00D0CD

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #42c6dd;
/* rgb */ color: rgb(66, 198, 221);
/* oklch */ color: oklch(76.5% 0.116 211.6);

Tailwind

colors: {
  custom: {
    50: '#8bd7e7',
    500: '#42c6dd',
    950: '#000000',
  },
}

SCSS

$custom: #42c6dd;
$custom-light: #8bd7e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42c6dd",
  "rgb": {
    "r": 66,
    "g": 198,
    "b": 221
  },
  "hsl": {
    "h": 188.903,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.7652,
    "c": 0.11575,
    "h": 211.6
  },
  "luminance": 0.46767
}

Semantic roles & 50–950 ramp

primary

#42C6DD

secondary

#DDA79D

accent

#563BEC

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #42C6DD

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

Preview Lab → · Contrast checker → · Palette generator →