#1B4668#1B4668

#1B4668 is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.1% C 0.075 H 245.5°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX#1B4668
RGBrgb(27, 70, 104)
HSLhsl(206, 59%, 26%)
HSVhsv(206, 74%, 41%)
CMYKcmyk(74%, 32.7%, 0%, 59.2%)
CIE-LABlab(28.41, -2.35, -24.15)
CIE-LCHlch(28.41, 24.26, 264.43°)
OKLaboklab(38.14% -0.0311 -0.0683)
OKLCHoklch(38.14% 0.075 245.5)
XYZxyz(5.1399, 5.6122, 13.9064)
Luminance0.0561 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B4668 #683D1B
analogous
#1B6863 #1B4668 #1B1F68
triadic
#1B4668 #681B46 #46681B
tetradic
#1B4668 #631B68 #683D1B #1F681B
square
#1B4668 #631B68 #683D1B #1F681B
split-complementary
#1B4668 #681B1F #68631B
monochromatic
#061018 #0E2537 #1B4668 #286799 #3487C9

Accessibility & contrast

On white

9.89
#1B4668 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.12
#1B4668 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4668
9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B4668#FFFFFF#000000##FFFFFF
##1B46681.009.892.129.89
#FFFFFF9.891.0021.001.00
#0000002.1221.001.0021.00
##FFFFFF9.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#374769
Deuteranopia (green-blind)
#2C4067
Tritanopia (blue-blind)
#004E52
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #1b4668;
/* rgb */ color: rgb(27, 70, 104);
/* oklch */ color: oklch(38.1% 0.075 245.5);
Tailwind
colors: {
  custom: {
    50: '#627993',
    500: '#1b4668',
    950: '#000000',
  },
}
SCSS
$custom: #1b4668;
$custom-light: #627993;
$custom-dark: #000000;
JSON
{
  "hex": "#1b4668",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 104
  },
  "hsl": {
    "h": 206.494,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.38139,
    "c": 0.07506,
    "h": 245.5
  },
  "luminance": 0.05613
}

Semantic roles & 50–950 ramp

primary
#1B4668
secondary
#9D6A42
accent
#8B46E2
background
#F6F7F9
surface
#EBEDF1
border
#C6C8CB
text
#06090D
muted
#7A7B7E

Preview Lab

Preview with #1B4668

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

Preview Lab → · Contrast checker → · Palette generator →

#1B4668 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva