#42658D#42658D

#42658D is a mid, moderate cyan. Relative luminance 0.124; OKLCH L 49.8% C 0.076 H 252.6°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX#42658D
RGBrgb(66, 101, 141)
HSLhsl(212, 36%, 41%)
HSVhsv(212, 53%, 55%)
CMYKcmyk(53.2%, 28.4%, 0%, 44.7%)
CIE-LABlab(41.83, -0.48, -25.90)
CIE-LCHlch(41.83, 25.91, 268.94°)
OKLaboklab(49.79% -0.0228 -0.0726)
OKLCHoklch(49.79% 0.076 252.6)
XYZxyz(11.7065, 12.3878, 26.9683)
Luminance0.1239 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42658D #8D6A42
analogous
#428A8D #42658D #44428D
triadic
#42658D #8D4265 #658D42
tetradic
#42658D #8D428A #8D6A42 #428D44
square
#42658D #8D428A #8D6A42 #428D44
split-complementary
#42658D #8D4442 #8A8D42
monochromatic
#1B293A #2E4763 #42658D #5A83B2 #84A3C5

Accessibility & contrast

On white

6.04
#42658D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.48
#42658D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42658D
6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42658D#FFFFFF#000000##FFFFFF
##42658D1.006.043.486.04
#FFFFFF6.041.0021.001.00
#0000003.4821.001.0021.00
##FFFFFF6.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#55678F
Deuteranopia (green-blind)
#4B5F8C
Tritanopia (blue-blind)
#1B6E73
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #42658d;
/* rgb */ color: rgb(66, 101, 141);
/* oklch */ color: oklch(49.8% 0.076 252.6);
Tailwind
colors: {
  custom: {
    50: '#7b90ae',
    500: '#42658d',
    950: '#000000',
  },
}
SCSS
$custom: #42658d;
$custom-light: #7b90ae;
$custom-dark: #000000;
JSON
{
  "hex": "#42658d",
  "rgb": {
    "r": 66,
    "g": 101,
    "b": 141
  },
  "hsl": {
    "h": 212,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49789,
    "c": 0.07609,
    "h": 252.6
  },
  "luminance": 0.12389
}

Semantic roles & 50–950 ramp

primary
#42658D
secondary
#B0977B
accent
#985CCC
background
#F7F8FA
surface
#EEF0F4
border
#C9CBCE
text
#0A0C10
muted
#7C7D7F

Preview Lab

Preview with #42658D

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

Preview Lab → · Contrast checker → · Palette generator →

#42658D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva