#1B618D#1B618D

#1B618D is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.2% C 0.098 H 241.5°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#1B618D
RGBrgb(27, 97, 141)
HSLhsl(203, 68%, 33%)
HSVhsv(203, 81%, 55%)
CMYKcmyk(80.9%, 31.2%, 0%, 44.7%)
CIE-LABlab(39.08, -5.10, -30.31)
CIE-LCHlch(39.08, 30.74, 260.45°)
OKLaboklab(47.21% -0.0466 -0.0859)
OKLCHoklch(47.21% 0.098 241.5)
XYZxyz(9.5325, 10.7043, 26.7579)
Luminance0.1071 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B618D #8D471B
analogous
#1B8D80 #1B618D #1B288D
triadic
#1B618D #8D1B61 #618D1B
tetradic
#1B618D #801B8D #8D471B #288D1B
square
#1B618D #801B8D #8D471B #288D1B
split-complementary
#1B618D #8D1B28 #8D801B
monochromatic
#071A26 #113E5A #1B618D #2584C0 #47A2DC

Accessibility & contrast

On white

6.69
#1B618D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#1B618D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B618D
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B618D#FFFFFF#000000##FFFFFF
##1B618D1.006.693.146.69
#FFFFFF6.691.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C628F
Deuteranopia (green-blind)
#3D578C
Tritanopia (blue-blind)
#006C71
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #1b618d;
/* rgb */ color: rgb(27, 97, 141);
/* oklch */ color: oklch(47.2% 0.098 241.5);
Tailwind
colors: {
  custom: {
    50: '#6a8dae',
    500: '#1b618d',
    950: '#000000',
  },
}
SCSS
$custom: #1b618d;
$custom-light: #6a8dae;
$custom-dark: #000000;
JSON
{
  "hex": "#1b618d",
  "rgb": {
    "r": 27,
    "g": 97,
    "b": 141
  },
  "hsl": {
    "h": 203.158,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.47205,
    "c": 0.09774,
    "h": 241.5
  },
  "luminance": 0.10705
}

Semantic roles & 50–950 ramp

primary
#1B618D
secondary
#BD7446
accent
#803DEB
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F

Preview Lab

Preview with #1B618D

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

Preview Lab → · Contrast checker → · Palette generator →

#1B618D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva