#42647C#42647C

#42647C is a mid, muted cyan. Relative luminance 0.117; OKLCH L 48.7% C 0.055 H 240.1°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX#42647C
RGBrgb(66, 100, 124)
HSLhsl(205, 31%, 37%)
HSVhsv(205, 47%, 49%)
CMYKcmyk(46.8%, 19.4%, 0%, 51.4%)
CIE-LABlab(40.78, -5.28, -17.25)
CIE-LCHlch(40.78, 18.04, 252.99°)
OKLaboklab(48.72% -0.0275 -0.0478)
OKLCHoklch(48.72% 0.055 240.1)
XYZxyz(10.4408, 11.7271, 20.7783)
Luminance0.1173 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42647C #7C5A42
analogous
#427C77 #42647C #42477C
triadic
#42647C #7C4264 #647C42
tetradic
#42647C #77427C #7C5A42 #477C42
square
#42647C #77427C #7C5A42 #477C42
split-complementary
#42647C #7C4247 #7C7742
monochromatic
#17242C #2D4454 #42647C #5784A4 #7EA1BA

Accessibility & contrast

On white

6.28
#42647C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.35
#42647C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42647C
6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42647C#FFFFFF#000000##FFFFFF
##42647C1.006.283.356.28
#FFFFFF6.281.0021.001.00
#0000003.3521.001.0021.00
##FFFFFF6.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A647D
Deuteranopia (green-blind)
#525D7C
Tritanopia (blue-blind)
#296A6C
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #42647c;
/* rgb */ color: rgb(66, 100, 124);
/* oklch */ color: oklch(48.7% 0.055 240.1);
Tailwind
colors: {
  custom: {
    50: '#7a90a2',
    500: '#42647c',
    950: '#000000',
  },
}
SCSS
$custom: #42647c;
$custom-light: #7a90a2;
$custom-dark: #000000;
JSON
{
  "hex": "#42647c",
  "rgb": {
    "r": 66,
    "g": 100,
    "b": 124
  },
  "hsl": {
    "h": 204.828,
    "s": 30.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.4872,
    "c": 0.05519,
    "h": 240.1
  },
  "luminance": 0.11728
}

Semantic roles & 50–950 ramp

primary
#42647C
secondary
#A58975
accent
#8B61C7
background
#F7F8F9
surface
#EEF0F2
border
#C9CBCC
text
#090C0F
muted
#7B7D7E

Preview Lab

Preview with #42647C

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

Preview Lab → · Contrast checker → · Palette generator →

#42647C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva