#42B3BC#42B3BC

#42B3BC is a light, moderate teal. Relative luminance 0.370; OKLCH L 70.7% C 0.101 H 202.6°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#42B3BC
RGB	rgb(66, 179, 188)
HSL	hsl(184, 48%, 50%)
HSV	hsv(184, 65%, 74%)
CMYK	cmyk(64.9%, 4.8%, 0%, 26.3%)
CIE-LAB	lab(67.30, -28.58, -13.98)
CIE-LCH	lch(67.30, 31.81, 206.06°)
OKLab	oklab(70.72% -0.0929 -0.0387)
OKLCH	oklch(70.72% 0.101 202.6)
XYZ	xyz(27.4401, 37.0263, 53.2678)
Luminance	0.3703 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B3BC #BC4B42

analogous

#42BC88 #42B3BC #4276BC

triadic

#42B3BC #BC42B3 #B3BC42

tetradic

#42B3BC #8842BC #BC4B42 #76BC42

square

#42B3BC #8842BC #BC4B42 #76BC42

split-complementary

#42B3BC #BC4276 #BC8842

monochromatic

#225D61 #32888F #42B3BC #6FC5CC #9CD8DC

Accessibility & contrast

On white

2.50

#42B3BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#42B3BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B3BC

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B3BC	#FFFFFF	#000000	##000000
##42B3BC	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6ACBD

Deuteranopia (green-blind)

#939EBD

Tritanopia (blue-blind)

#00BAB5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42b3bc;
/* rgb */ color: rgb(66, 179, 188);
/* oklch */ color: oklch(70.7% 0.101 202.6);

Tailwind

colors: {
  custom: {
    50: '#85cad0',
    500: '#42b3bc',
    950: '#000000',
  },
}

SCSS

$custom: #42b3bc;
$custom-light: #85cad0;
$custom-dark: #000000;

JSON

{
  "hex": "#42b3bc",
  "rgb": {
    "r": 66,
    "g": 179,
    "b": 188
  },
  "hsl": {
    "h": 184.426,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.70717,
    "c": 0.10067,
    "h": 202.6
  },
  "luminance": 0.37029
}

Semantic roles & 50–950 ramp

primary

#42B3BC

secondary

#C99591

accent

#5A50D8

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #42B3BC

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

Preview Lab → · Contrast checker → · Palette generator →