#42BFD3#42BFD3

#42BFD3 is a light, moderate teal. Relative luminance 0.431; OKLCH L 74.5% C 0.111 H 210.2°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#42BFD3
RGB	rgb(66, 191, 211)
HSL	hsl(188, 62%, 54%)
HSV	hsv(188, 69%, 83%)
CMYK	cmyk(68.7%, 9.5%, 0%, 17.3%)
CIE-LAB	lab(71.64, -27.64, -20.04)
CIE-LCH	lch(71.64, 34.14, 215.95°)
OKLab	oklab(74.47% -0.0956 -0.0557)
OKLCH	oklch(74.47% 0.111 210.2)
XYZ	xyz(32.6304, 43.1193, 68.2185)
Luminance	0.4312 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BFD3 #D35642

analogous

#42D39F #42BFD3 #4277D3

triadic

#42BFD3 #D342BF #BFD342

tetradic

#42BFD3 #9F42D3 #D35642 #77D342

square

#42BFD3 #9F42D3 #D35642 #77D342

split-complementary

#42BFD3 #D34277 #D39F42

monochromatic

#1D707D #299DAF #42BFD3 #74D0DF #A5E1EA

Accessibility & contrast

On white

2.18

#42BFD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.62

#42BFD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BFD3

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BFD3	#FFFFFF	#000000	##000000
##42BFD3	1.00	2.18	9.62	9.62
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.62	21.00	1.00	1.00
##000000	9.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB8D4

Deuteranopia (green-blind)

#99A9D3

Tritanopia (blue-blind)

#00C8C5

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #42bfd3;
/* rgb */ color: rgb(66, 191, 211);
/* oklch */ color: oklch(74.5% 0.111 210.2);

Tailwind

colors: {
  custom: {
    50: '#89d2e0',
    500: '#42bfd3',
    950: '#000000',
  },
}

SCSS

$custom: #42bfd3;
$custom-light: #89d2e0;
$custom-dark: #000000;

JSON

{
  "hex": "#42bfd3",
  "rgb": {
    "r": 66,
    "g": 191,
    "b": 211
  },
  "hsl": {
    "h": 188.276,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.74471,
    "c": 0.11067,
    "h": 210.2
  },
  "luminance": 0.43123
}

Semantic roles & 50–950 ramp

primary

#42BFD3

secondary

#D7A29A

accent

#5942E5

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #42BFD3

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

Preview Lab → · Contrast checker → · Palette generator →