#1B394A#1B394A

#1B394A is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.047 H 235.5°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX#1B394A
RGBrgb(27, 57, 74)
HSLhsl(202, 47%, 20%)
HSVhsv(202, 64%, 29%)
CMYKcmyk(63.5%, 23%, 0%, 71%)
CIE-LABlab(22.49, -5.29, -13.82)
CIE-LCHlch(22.49, 14.80, 249.05°)
OKLaboklab(32.95% -0.0266 -0.0386)
OKLCHoklch(32.95% 0.047 235.5)
XYZxyz(3.1507, 3.6534, 7.0164)
Luminance0.0365 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B394A #4A2C1B
analogous
#1B4A44 #1B394A #1B224A
triadic
#1B394A #4A1B39 #394A1B
tetradic
#1B394A #441B4A #4A2C1B #224A1B
square
#1B394A #441B4A #4A2C1B #224A1B
split-complementary
#1B394A #4A1B22 #4A441B
monochromatic
#081116 #0B161D #1B394A #2B5C77 #3C7EA4

Accessibility & contrast

On white

12.13
#1B394A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.73
#1B394A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B394A
12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B394A#FFFFFF#000000##FFFFFF
##1B394A1.0012.131.7312.13
#FFFFFF12.131.0021.001.00
#0000001.7321.001.0021.00
##FFFFFF12.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#31384B
Deuteranopia (green-blind)
#2A344A
Tritanopia (blue-blind)
#003D3F
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #1b394a;
/* rgb */ color: rgb(27, 57, 74);
/* oklch */ color: oklch(33.0% 0.047 235.5);
Tailwind
colors: {
  custom: {
    50: '#5c6f7c',
    500: '#1b394a',
    950: '#000000',
  },
}
SCSS
$custom: #1b394a;
$custom-light: #5c6f7c;
$custom-dark: #000000;
JSON
{
  "hex": "#1b394a",
  "rgb": {
    "r": 27,
    "g": 57,
    "b": 74
  },
  "hsl": {
    "h": 201.702,
    "s": 46.535,
    "l": 19.804
  },
  "oklch": {
    "l": 0.32953,
    "c": 0.04685,
    "h": 235.5
  },
  "luminance": 0.03654
}

Semantic roles & 50–950 ramp

primary
#1B394A
secondary
#805841
accent
#8252D6
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#040709
muted
#797A7B

Preview Lab

Preview with #1B394A

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

Preview Lab → · Contrast checker → · Palette generator →

#1B394A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva