#42748E#42748E

#42748E is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.5% C 0.068 H 232.7°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX#42748E
RGBrgb(66, 116, 142)
HSLhsl(201, 37%, 41%)
HSVhsv(201, 54%, 56%)
CMYKcmyk(53.5%, 18.3%, 0%, 44.3%)
CIE-LABlab(46.45, -9.11, -19.35)
CIE-LCHlch(46.45, 21.39, 244.79°)
OKLaboklab(53.45% -0.0411 -0.0538)
OKLCHoklch(53.45% 0.068 232.7)
XYZxyz(13.3728, 15.6009, 27.8925)
Luminance0.1560 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42748E #8E5C42
analogous
#428E82 #42748E #424E8E
triadic
#42748E #8E4274 #748E42
tetradic
#42748E #82428E #8E5C42 #4E8E42
square
#42748E #82428E #8E5C42 #4E8E42
split-complementary
#42748E #8E424E #8E8242
monochromatic
#1B303A #2F5264 #42748E #5B94B3 #84B0C6

Accessibility & contrast

On white

5.10
#42748E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.12
#42748E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42748E
5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42748E#FFFFFF#000000##FFFFFF
##42748E1.005.104.125.10
#FFFFFF5.101.0021.001.00
#0000004.1221.001.0021.00
##FFFFFF5.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#67738F
Deuteranopia (green-blind)
#5D6A8E
Tritanopia (blue-blind)
#137B7C
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #42748e;
/* rgb */ color: rgb(66, 116, 142);
/* oklch */ color: oklch(53.5% 0.068 232.7);
Tailwind
colors: {
  custom: {
    50: '#7c9caf',
    500: '#42748e',
    950: '#000000',
  },
}
SCSS
$custom: #42748e;
$custom-light: #7c9caf;
$custom-dark: #000000;
JSON
{
  "hex": "#42748e",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 142
  },
  "hsl": {
    "h": 200.526,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53452,
    "c": 0.06769,
    "h": 232.7
  },
  "luminance": 0.15602
}

Semantic roles & 50–950 ramp

primary
#42748E
secondary
#B18D7B
accent
#825BCD
background
#F7F9FA
surface
#EEF2F4
border
#C9CCCE
text
#0A0E10
muted
#7C7E7F

Preview Lab

Preview with #42748E

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

Preview Lab → · Contrast checker → · Palette generator →

#42748E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva