#1B608E#1B608E

#1B608E is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 47.0% C 0.100 H 243.0°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX#1B608E
RGBrgb(27, 96, 142)
HSLhsl(204, 68%, 33%)
HSVhsv(204, 81%, 56%)
CMYKcmyk(81%, 32.4%, 0%, 44.3%)
CIE-LABlab(38.81, -4.10, -31.33)
CIE-LCHlch(38.81, 31.60, 262.55°)
OKLaboklab(47.01% -0.0453 -0.0889)
OKLCHoklch(47.01% 0.1 243)
XYZxyz(9.5154, 10.5506, 27.1209)
Luminance0.1055 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B608E #8E491B
analogous
#1B8E82 #1B608E #1B268E
triadic
#1B608E #8E1B60 #608E1B
tetradic
#1B608E #821B8E #8E491B #268E1B
square
#1B608E #821B8E #8E491B #268E1B
split-complementary
#1B608E #8E1B26 #8E821B
monochromatic
#071A27 #113D5B #1B608E #2583C1 #47A1DC

Accessibility & contrast

On white

6.75
#1B608E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.11
#1B608E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B608E
6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B608E#FFFFFF#000000##FFFFFF
##1B608E1.006.753.116.75
#FFFFFF6.751.0021.001.00
#0000003.1121.001.0021.00
##FFFFFF6.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A6190
Deuteranopia (green-blind)
#3B578D
Tritanopia (blue-blind)
#006B70
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #1b608e;
/* rgb */ color: rgb(27, 96, 142);
/* oklch */ color: oklch(47.0% 0.100 243.0);
Tailwind
colors: {
  custom: {
    50: '#6b8caf',
    500: '#1b608e',
    950: '#000000',
  },
}
SCSS
$custom: #1b608e;
$custom-light: #6b8caf;
$custom-dark: #000000;
JSON
{
  "hex": "#1b608e",
  "rgb": {
    "r": 27,
    "g": 96,
    "b": 142
  },
  "hsl": {
    "h": 204,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.47012,
    "c": 0.09979,
    "h": 243
  },
  "luminance": 0.10552
}

Semantic roles & 50–950 ramp

primary
#1B608E
secondary
#BE7747
accent
#823DEB
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F

Preview Lab

Preview with #1B608E

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

Preview Lab → · Contrast checker → · Palette generator →

#1B608E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva