#42708C#42708C

#42708C is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.4% C 0.067 H 236.7°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX#42708C
RGBrgb(66, 112, 140)
HSLhsl(203, 36%, 40%)
HSVhsv(203, 53%, 55%)
CMYKcmyk(52.9%, 20%, 0%, 45.1%)
CIE-LABlab(45.14, -7.41, -20.18)
CIE-LCHlch(45.14, 21.50, 249.84°)
OKLaboklab(52.39% -0.0369 -0.0562)
OKLCHoklch(52.39% 0.067 236.7)
XYZxyz(12.7728, 14.6390, 26.9584)
Luminance0.1464 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42708C #8C5E42
analogous
#428C83 #42708C #424B8C
triadic
#42708C #8C4270 #708C42
tetradic
#42708C #83428C #8C5E42 #4B8C42
square
#42708C #83428C #8C5E42 #4B8C42
split-complementary
#42708C #8C424B #8C8342
monochromatic
#1B2D39 #2E4F62 #42708C #5A90B1 #84ACC5

Accessibility & contrast

On white

5.35
#42708C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.93
#42708C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42708C
5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42708C#FFFFFF#000000##FFFFFF
##42708C1.005.353.935.35
#FFFFFF5.351.0021.001.00
#0000003.9321.001.0021.00
##FFFFFF5.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#636F8D
Deuteranopia (green-blind)
#59678C
Tritanopia (blue-blind)
#187779
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #42708c;
/* rgb */ color: rgb(66, 112, 140);
/* oklch */ color: oklch(52.4% 0.067 236.7);
Tailwind
colors: {
  custom: {
    50: '#7c99ad',
    500: '#42708c',
    950: '#000000',
  },
}
SCSS
$custom: #42708c;
$custom-light: #7c99ad;
$custom-dark: #000000;
JSON
{
  "hex": "#42708c",
  "rgb": {
    "r": 66,
    "g": 112,
    "b": 140
  },
  "hsl": {
    "h": 202.703,
    "s": 35.922,
    "l": 40.392
  },
  "oklch": {
    "l": 0.52385,
    "c": 0.06719,
    "h": 236.7
  },
  "luminance": 0.1464
}

Semantic roles & 50–950 ramp

primary
#42708C
secondary
#B08E7A
accent
#865CCC
background
#F7F9FA
surface
#EEF2F4
border
#C9CCCE
text
#0A0D10
muted
#7C7E7F

Preview Lab

Preview with #42708C

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

Preview Lab → · Contrast checker → · Palette generator →

#42708C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva