#42A2D0#42A2D0

#42A2D0 is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.5% C 0.112 H 232.7°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX#42A2D0
RGBrgb(66, 162, 208)
HSLhsl(199, 60%, 54%)
HSVhsv(199, 68%, 82%)
CMYKcmyk(68.3%, 22.1%, 0%, 18.4%)
CIE-LABlab(62.97, -13.55, -31.69)
CIE-LCHlch(62.97, 34.46, 246.85°)
OKLaboklab(67.49% -0.0677 -0.0889)
OKLCHoklch(67.49% 0.112 232.7)
XYZxyz(26.5478, 31.5501, 64.3529)
Luminance0.3155 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42A2D0 #D07042
analogous
#42D0B7 #42A2D0 #425BD0
triadic
#42A2D0 #D042A2 #A2D042
tetradic
#42A2D0 #B742D0 #D07042 #5BD042
square
#42A2D0 #B742D0 #D07042 #5BD042
split-complementary
#42A2D0 #D0425B #D0B742
monochromatic
#1E5C79 #2A81AA #42A2D0 #73BADC #A4D2E8

Accessibility & contrast

On white

2.87
#42A2D0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.31
#42A2D0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A2D0
7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42A2D0#FFFFFF#000000##000000
##42A2D01.002.877.317.31
#FFFFFF2.871.0021.0021.00
#0000007.3121.001.001.00
##0000007.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8BA0D2
Deuteranopia (green-blind)
#7892CF
Tritanopia (blue-blind)
#00AEB1
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #42a2d0;
/* rgb */ color: rgb(66, 162, 208);
/* oklch */ color: oklch(67.5% 0.112 232.7);
Tailwind
colors: {
  custom: {
    50: '#86bdde',
    500: '#42a2d0',
    950: '#000000',
  },
}
SCSS
$custom: #42a2d0;
$custom-light: #86bdde;
$custom-dark: #000000;
JSON
{
  "hex": "#42a2d0",
  "rgb": {
    "r": 66,
    "g": 162,
    "b": 208
  },
  "hsl": {
    "h": 199.437,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.67487,
    "c": 0.11176,
    "h": 232.7
  },
  "luminance": 0.31553
}

Semantic roles & 50–950 ramp

primary
#42A2D0
secondary
#D5AC99
accent
#7844E3
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #42A2D0

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

Preview Lab → · Contrast checker → · Palette generator →

#42A2D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva