#42A9BD#42A9BD

#42A9BD is a light, moderate teal. Relative luminance 0.332; OKLCH L 68.3% C 0.098 H 212.8°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX#42A9BD
RGBrgb(66, 169, 189)
HSLhsl(190, 48%, 50%)
HSVhsv(190, 65%, 74%)
CMYKcmyk(65.1%, 10.6%, 0%, 25.9%)
CIE-LABlab(64.33, -23.27, -19.02)
CIE-LCHlch(64.33, 30.05, 219.27°)
OKLaboklab(68.34% -0.0821 -0.0528)
OKLCHoklch(68.34% 0.098 212.8)
XYZxyz(25.6162, 33.2055, 53.1935)
Luminance0.3321 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42A9BD #BD5642
analogous
#42BD93 #42A9BD #426CBD
triadic
#42A9BD #BD42A9 #A9BD42
tetradic
#42A9BD #9342BD #BD5642 #6CBD42
square
#42A9BD #9342BD #BD5642 #6CBD42
split-complementary
#42A9BD #BD426C #BD9342
monochromatic
#225862 #328090 #42A9BD #6FBECD #9DD2DD

Accessibility & contrast

On white

2.75
#42A9BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.64
#42A9BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A9BD
7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42A9BD#FFFFFF#000000##000000
##42A9BD1.002.757.647.64
#FFFFFF2.751.0021.0021.00
#0000007.6421.001.001.00
##0000007.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AA3BE
Deuteranopia (green-blind)
#8896BD
Tritanopia (blue-blind)
#00B1AF
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #42a9bd;
/* rgb */ color: rgb(66, 169, 189);
/* oklch */ color: oklch(68.3% 0.098 212.8);
Tailwind
colors: {
  custom: {
    50: '#85c2d0',
    500: '#42a9bd',
    950: '#000000',
  },
}
SCSS
$custom: #42a9bd;
$custom-light: #85c2d0;
$custom-dark: #000000;
JSON
{
  "hex": "#42a9bd",
  "rgb": {
    "r": 66,
    "g": 169,
    "b": 189
  },
  "hsl": {
    "h": 189.756,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.68335,
    "c": 0.09761,
    "h": 212.8
  },
  "luminance": 0.33208
}

Semantic roles & 50–950 ramp

primary
#42A9BD
secondary
#C99B92
accent
#6650D8
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #42A9BD

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

Preview Lab → · Contrast checker → · Palette generator →

#42A9BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva