#42B7BC#42B7BC

#42B7BC is a light, moderate teal. Relative luminance 0.387; OKLCH L 71.7% C 0.103 H 199.2°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#42B7BC
RGB	rgb(66, 183, 188)
HSL	hsl(182, 48%, 50%)
HSV	hsv(182, 65%, 74%)
CMYK	cmyk(64.9%, 2.7%, 0%, 26.3%)
CIE-LAB	lab(68.50, -30.53, -12.17)
CIE-LCH	lch(68.50, 32.86, 201.74°)
OKLab	oklab(71.69% -0.0971 -0.0337)
OKLCH	oklch(71.69% 0.103 199.2)
XYZ	xyz(28.2534, 38.6529, 53.5390)
Luminance	0.3866 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B7BC #BC4742

analogous

#42BC84 #42B7BC #427ABC

triadic

#42B7BC #BC42B7 #B7BC42

tetradic

#42B7BC #8442BC #BC4742 #7ABC42

square

#42B7BC #8442BC #BC4742 #7ABC42

split-complementary

#42B7BC #BC427A #BC8442

monochromatic

#225F61 #328B8F #42B7BC #6FC9CC #9CDADC

Accessibility & contrast

On white

2.41

#42B7BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#42B7BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B7BC

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B7BC	#FFFFFF	#000000	##000000
##42B7BC	1.00	2.41	8.73	8.73
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAAFBD

Deuteranopia (green-blind)

#98A1BD

Tritanopia (blue-blind)

#00BDB8

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #42b7bc;
/* rgb */ color: rgb(66, 183, 188);
/* oklch */ color: oklch(71.7% 0.103 199.2);

Tailwind

colors: {
  custom: {
    50: '#86cdd0',
    500: '#42b7bc',
    950: '#000000',
  },
}

SCSS

$custom: #42b7bc;
$custom-light: #86cdd0;
$custom-dark: #000000;

JSON

{
  "hex": "#42b7bc",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 188
  },
  "hsl": {
    "h": 182.459,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.71689,
    "c": 0.10277,
    "h": 199.2
  },
  "luminance": 0.38656
}

Semantic roles & 50–950 ramp

primary

#42B7BC

secondary

#C99491

accent

#5650D8

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #42B7BC

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

Preview Lab → · Contrast checker → · Palette generator →