#42BFD5#42BFD5

#42BFD5 is a light, moderate teal. Relative luminance 0.432; OKLCH L 74.5% C 0.111 H 211.7°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#42BFD5
RGB	rgb(66, 191, 213)
HSL	hsl(189, 64%, 55%)
HSV	hsv(189, 69%, 84%)
CMYK	cmyk(69%, 10.3%, 0%, 16.5%)
CIE-LAB	lab(71.70, -27.03, -21.03)
CIE-LCH	lch(71.70, 34.25, 217.88°)
OKLab	oklab(74.55% -0.0948 -0.0585)
OKLCH	oklch(74.55% 0.111 211.7)
XYZ	xyz(32.8827, 43.2202, 69.5472)
Luminance	0.4322 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BFD5 #D55842

analogous

#42D5A2 #42BFD5 #4275D5

triadic

#42BFD5 #D542BF #BFD542

tetradic

#42BFD5 #A242D5 #D55842 #75D542

square

#42BFD5 #A242D5 #D55842 #75D542

split-complementary

#42BFD5 #D54275 #D5A242

monochromatic

#1C7180 #289DB2 #42BFD5 #74D0E0 #A6E1EB

Accessibility & contrast

On white

2.18

#42BFD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.64

#42BFD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BFD5

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BFD5	#FFFFFF	#000000	##000000
##42BFD5	1.00	2.18	9.64	9.64
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.64	21.00	1.00	1.00
##000000	9.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB8D6

Deuteranopia (green-blind)

#99A9D5

Tritanopia (blue-blind)

#00C8C6

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42bfd5;
/* rgb */ color: rgb(66, 191, 213);
/* oklch */ color: oklch(74.5% 0.111 211.7);

Tailwind

colors: {
  custom: {
    50: '#89d2e2',
    500: '#42bfd5',
    950: '#000000',
  },
}

SCSS

$custom: #42bfd5;
$custom-light: #89d2e2;
$custom-dark: #000000;

JSON

{
  "hex": "#42bfd5",
  "rgb": {
    "r": 66,
    "g": 191,
    "b": 213
  },
  "hsl": {
    "h": 188.98,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.74549,
    "c": 0.1114,
    "h": 211.7
  },
  "luminance": 0.43224
}

Semantic roles & 50–950 ramp

primary

#42BFD5

secondary

#D8A49A

accent

#5A41E7

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #42BFD5

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

Preview Lab → · Contrast checker → · Palette generator →