#42A7BB#42A7BB

#42A7BB is a light, moderate teal. Relative luminance 0.324; OKLCH L 67.8% C 0.096 H 213.1°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#42A7BB
RGB	rgb(66, 167, 187)
HSL	hsl(190, 48%, 50%)
HSV	hsv(190, 65%, 73%)
CMYK	cmyk(64.7%, 10.7%, 0%, 26.7%)
CIE-LAB	lab(63.66, -22.85, -18.93)
CIE-LCH	lch(63.66, 29.67, 219.63°)
OKLab	oklab(67.77% -0.0808 -0.0526)
OKLCH	oklch(67.77% 0.096 213.1)
XYZ	xyz(25.0314, 32.3808, 51.9350)
Luminance	0.3238 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A7BB #BB5642

analogous

#42BB92 #42A7BB #426BBB

triadic

#42A7BB #BB42A7 #A7BB42

tetradic

#42A7BB #9242BB #BB5642 #6BBB42

square

#42A7BB #9242BB #BB5642 #6BBB42

split-complementary

#42A7BB #BB426B #BB9242

monochromatic

#225661 #327F8E #42A7BB #6EBCCC #9CD1DC

Accessibility & contrast

On white

2.81

#42A7BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#42A7BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A7BB

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A7BB	#FFFFFF	#000000	##000000
##42A7BB	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A2BC

Deuteranopia (green-blind)

#8695BB

Tritanopia (blue-blind)

#00AFAD

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #42a7bb;
/* rgb */ color: rgb(66, 167, 187);
/* oklch */ color: oklch(67.8% 0.096 213.1);

Tailwind

colors: {
  custom: {
    50: '#84c1cf',
    500: '#42a7bb',
    950: '#000000',
  },
}

SCSS

$custom: #42a7bb;
$custom-light: #84c1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42a7bb",
  "rgb": {
    "r": 66,
    "g": 167,
    "b": 187
  },
  "hsl": {
    "h": 189.917,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.67773,
    "c": 0.09638,
    "h": 213.1
  },
  "luminance": 0.32384
}

Semantic roles & 50–950 ramp

primary

#42A7BB

secondary

#C89A91

accent

#6750D7

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #42A7BB

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

Preview Lab → · Contrast checker → · Palette generator →