#42B4BC#42B4BC

#42B4BC is a light, moderate teal. Relative luminance 0.374; OKLCH L 71.0% C 0.101 H 201.8°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX#42B4BC
RGBrgb(66, 180, 188)
HSLhsl(184, 48%, 50%)
HSVhsv(184, 65%, 74%)
CMYKcmyk(64.9%, 4.3%, 0%, 26.3%)
CIE-LABlab(67.60, -29.07, -13.52)
CIE-LCHlch(67.60, 32.06, 204.95°)
OKLaboklab(70.96% -0.094 -0.0375)
OKLCHoklch(70.96% 0.101 201.8)
XYZxyz(27.6412, 37.4286, 53.3349)
Luminance0.3743 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42B4BC #BC4A42
analogous
#42BC87 #42B4BC #4277BC
triadic
#42B4BC #BC42B4 #B4BC42
tetradic
#42B4BC #8742BC #BC4A42 #77BC42
square
#42B4BC #8742BC #BC4A42 #77BC42
split-complementary
#42B4BC #BC4277 #BC8742
monochromatic
#225D61 #32898F #42B4BC #6FC6CC #9CD8DC

Accessibility & contrast

On white

2.47
#42B4BC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.49
#42B4BC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B4BC
8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42B4BC#FFFFFF#000000##000000
##42B4BC1.002.478.498.49
#FFFFFF2.471.0021.0021.00
#0000008.4921.001.001.00
##0000008.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A7ACBD
Deuteranopia (green-blind)
#949FBD
Tritanopia (blue-blind)
#00BBB6
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #42b4bc;
/* rgb */ color: rgb(66, 180, 188);
/* oklch */ color: oklch(71.0% 0.101 201.8);
Tailwind
colors: {
  custom: {
    50: '#86cbd0',
    500: '#42b4bc',
    950: '#000000',
  },
}
SCSS
$custom: #42b4bc;
$custom-light: #86cbd0;
$custom-dark: #000000;
JSON
{
  "hex": "#42b4bc",
  "rgb": {
    "r": 66,
    "g": 180,
    "b": 188
  },
  "hsl": {
    "h": 183.934,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.7096,
    "c": 0.10116,
    "h": 201.8
  },
  "luminance": 0.37432
}

Semantic roles & 50–950 ramp

primary
#42B4BC
secondary
#C99591
accent
#5950D8
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #42B4BC

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

Preview Lab → · Contrast checker → · Palette generator →

#42B4BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva