#42B7CA#42B7CA

#42B7CA is a light, moderate teal. Relative luminance 0.393; OKLCH L 72.2% C 0.106 H 210.3°. Best body text is #000000 at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#42B7CA
RGB	rgb(66, 183, 202)
HSL	hsl(188, 56%, 53%)
HSV	hsv(188, 67%, 79%)
CMYK	cmyk(67.3%, 9.4%, 0%, 20.8%)
CIE-LAB	lab(68.96, -26.39, -19.18)
CIE-LCH	lch(68.96, 32.62, 216.01°)
OKLab	oklab(72.21% -0.0912 -0.0533)
OKLCH	oklch(72.21% 0.106 210.3)
XYZ	xyz(29.8364, 39.2861, 61.8762)
Luminance	0.3929 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B7CA #CA5542

analogous

#42CA99 #42B7CA #4273CA

triadic

#42B7CA #CA42B7 #B7CA42

tetradic

#42B7CA #9942CA #CA5542 #73CA42

square

#42B7CA #9942CA #CA5542 #73CA42

split-complementary

#42B7CA #CA4273 #CA9942

monochromatic

#206672 #2D91A2 #42B7CA #72C9D7 #A2DBE5

Accessibility & contrast

On white

2.37

#42B7CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.86

#42B7CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B7CA

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B7CA	#FFFFFF	#000000	##000000
##42B7CA	1.00	2.37	8.86	8.86
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.86	21.00	1.00	1.00
##000000	8.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B1CB

Deuteranopia (green-blind)

#93A2CA

Tritanopia (blue-blind)

#00BFBD

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #42b7ca;
/* rgb */ color: rgb(66, 183, 202);
/* oklch */ color: oklch(72.2% 0.106 210.3);

Tailwind

colors: {
  custom: {
    50: '#87cdda',
    500: '#42b7ca',
    950: '#000000',
  },
}

SCSS

$custom: #42b7ca;
$custom-light: #87cdda;
$custom-dark: #000000;

JSON

{
  "hex": "#42b7ca",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 202
  },
  "hsl": {
    "h": 188.382,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.72212,
    "c": 0.10565,
    "h": 210.3
  },
  "luminance": 0.39289
}

Semantic roles & 50–950 ramp

primary

#42B7CA

secondary

#D19F96

accent

#5D48DF

background

#F9FCFD

surface

#F1F9FA

border

#CBD2D3

text

#0D1314

muted

#7E8283

Preview Lab

Preview with #42B7CA

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

Preview Lab → · Contrast checker → · Palette generator →