#1B6478#1B6478

#1B6478 is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 46.9% C 0.076 H 220.4°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#1B6478
RGBrgb(27, 100, 120)
HSLhsl(193, 63%, 29%)
HSVhsv(193, 78%, 47%)
CMYKcmyk(77.5%, 16.7%, 0%, 52.9%)
CIE-LABlab(39.07, -14.69, -17.56)
CIE-LCHlch(39.07, 22.90, 230.08°)
OKLaboklab(46.88% -0.0576 -0.0491)
OKLCHoklch(46.88% 0.076 220.4)
XYZxyz(8.3979, 10.7024, 19.3888)
Luminance0.1070 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B6478 #782F1B
analogous
#1B785E #1B6478 #1B3678
triadic
#1B6478 #781B64 #64781B
tetradic
#1B6478 #5E1B78 #782F1B #36781B
square
#1B6478 #5E1B78 #782F1B #36781B
split-complementary
#1B6478 #781B36 #785E1B
monochromatic
#061519 #103A46 #1B6478 #268EAA #3BB2D3

Accessibility & contrast

On white

6.69
#1B6478 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#1B6478 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6478
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B6478#FFFFFF#000000##FFFFFF
##1B64781.006.693.146.69
#FFFFFF6.691.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#586179
Deuteranopia (green-blind)
#4B5878
Tritanopia (blue-blind)
#006A6A
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #1b6478;
/* rgb */ color: rgb(27, 100, 120);
/* oklch */ color: oklch(46.9% 0.076 220.4);
Tailwind
colors: {
  custom: {
    50: '#67909f',
    500: '#1b6478',
    950: '#000000',
  },
}
SCSS
$custom: #1b6478;
$custom-light: #67909f;
$custom-dark: #000000;
JSON
{
  "hex": "#1b6478",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 120
  },
  "hsl": {
    "h": 192.903,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.46882,
    "c": 0.07571,
    "h": 220.4
  },
  "luminance": 0.10703
}

Semantic roles & 50–950 ramp

primary
#1B6478
secondary
#AC5943
accent
#6541E6
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0E
muted
#7A7D7E

Preview Lab

Preview with #1B6478

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

Preview Lab → · Contrast checker → · Palette generator →

#1B6478 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva