#42ACCB#42ACCB

#42ACCB is a light, moderate cyan. Relative luminance 0.350; OKLCH L 69.6% C 0.105 H 220.8°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX#42ACCB
RGBrgb(66, 172, 203)
HSLhsl(194, 57%, 53%)
HSVhsv(194, 67%, 80%)
CMYKcmyk(67.5%, 15.3%, 0%, 20.4%)
CIE-LABlab(65.73, -20.47, -24.66)
CIE-LCHlch(65.73, 32.05, 230.30°)
OKLaboklab(69.63% -0.0796 -0.0688)
OKLCHoklch(69.63% 0.105 220.8)
XYZxyz(27.7744, 34.9720, 61.7748)
Luminance0.3498 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42ACCB #CB6142
analogous
#42CBA6 #42ACCB #4267CB
triadic
#42ACCB #CB42AC #ACCB42
tetradic
#42ACCB #A642CB #CB6142 #67CB42
square
#42ACCB #A642CB #CB6142 #67CB42
split-complementary
#42ACCB #CB4267 #CBA642
monochromatic
#206073 #2D88A3 #42ACCB #72C1D8 #A2D6E5

Accessibility & contrast

On white

2.63
#42ACCB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.99
#42ACCB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ACCB
7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42ACCB#FFFFFF#000000##000000
##42ACCB1.002.637.997.99
#FFFFFF2.631.0021.0021.00
#0000007.9921.001.001.00
##0000007.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#99A8CD
Deuteranopia (green-blind)
#869ACB
Tritanopia (blue-blind)
#00B6B6
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #42accb;
/* rgb */ color: rgb(66, 172, 203);
/* oklch */ color: oklch(69.6% 0.105 220.8);
Tailwind
colors: {
  custom: {
    50: '#86c5db',
    500: '#42accb',
    950: '#000000',
  },
}
SCSS
$custom: #42accb;
$custom-light: #86c5db;
$custom-dark: #000000;
JSON
{
  "hex": "#42accb",
  "rgb": {
    "r": 66,
    "g": 172,
    "b": 203
  },
  "hsl": {
    "h": 193.577,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.69627,
    "c": 0.10524,
    "h": 220.8
  },
  "luminance": 0.34975
}

Semantic roles & 50–950 ramp

primary
#42ACCB
secondary
#D2A497
accent
#6A48E0
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #42ACCB

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

Preview Lab → · Contrast checker → · Palette generator →

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