#42C4DD#42C4DD

#42C4DD is a light, moderate teal. Relative luminance 0.459; OKLCH L 76.0% C 0.115 H 213.2°. Best body text is #000000 at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#42C4DD
RGB	rgb(66, 196, 221)
HSL	hsl(190, 70%, 56%)
HSV	hsv(190, 70%, 87%)
CMYK	cmyk(70.1%, 11.3%, 0%, 13.3%)
CIE-LAB	lab(73.45, -27.07, -22.71)
CIE-LCH	lch(73.45, 35.34, 220.00°)
OKLab	oklab(76.05% -0.0966 -0.0632)
OKLCH	oklch(76.05% 0.115 213.2)
XYZ	xyz(35.0323, 45.8545, 75.3971)
Luminance	0.4586 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4DD #DD5B42

analogous

#42DDA8 #42C4DD #4277DD

triadic

#42C4DD #DD42C4 #C4DD42

tetradic

#42C4DD #A842DD #DD5B42 #77DD42

square

#42C4DD #A842DD #DD5B42 #77DD42

split-complementary

#42C4DD #DD4277 #DDA842

monochromatic

#19798C #22A6BF #42C4DD #76D4E6 #AAE4F0

Accessibility & contrast

On white

2.06

#42C4DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.17

#42C4DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4DD

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4DD	#FFFFFF	#000000	##000000
##42C4DD	1.00	2.06	10.17	10.17
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.17	21.00	1.00	1.00
##000000	10.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1BEDE

Deuteranopia (green-blind)

#9CAEDD

Tritanopia (blue-blind)

#00CECC

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c4dd;
/* rgb */ color: rgb(66, 196, 221);
/* oklch */ color: oklch(76.0% 0.115 213.2);

Tailwind

colors: {
  custom: {
    50: '#8ad6e7',
    500: '#42c4dd',
    950: '#000000',
  },
}

SCSS

$custom: #42c4dd;
$custom-light: #8ad6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4dd",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 221
  },
  "hsl": {
    "h": 189.677,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.76047,
    "c": 0.11544,
    "h": 213.2
  },
  "luminance": 0.45859
}

Semantic roles & 50–950 ramp

primary

#42C4DD

secondary

#DDA89D

accent

#583BEC

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #42C4DD

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

Preview Lab → · Contrast checker → · Palette generator →