#1B567D#1B567D

#1B567D is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.5% C 0.088 H 242.1°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX#1B567D
RGBrgb(27, 86, 125)
HSLhsl(204, 64%, 30%)
HSVhsv(204, 78%, 49%)
CMYKcmyk(78.4%, 31.2%, 0%, 51%)
CIE-LABlab(34.74, -4.43, -27.37)
CIE-LCHlch(34.74, 27.73, 260.80°)
OKLaboklab(43.5% -0.041 -0.0775)
OKLCHoklch(43.5% 0.088 242.1)
XYZxyz(7.4800, 8.3684, 20.6191)
Luminance0.0837 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B567D #7D421B
analogous
#1B7D73 #1B567D #1B257D
triadic
#1B567D #7D1B56 #567D1B
tetradic
#1B567D #731B7D #7D421B #257D1B
square
#1B567D #731B7D #7D421B #257D1B
split-complementary
#1B567D #7D1B25 #7D731B
monochromatic
#051119 #10334B #1B567D #2679AF #3D99D5

Accessibility & contrast

On white

7.85
#1B567D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#1B567D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B567D
7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B567D#FFFFFF#000000##FFFFFF
##1B567D1.007.852.677.85
#FFFFFF7.851.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#44577F
Deuteranopia (green-blind)
#364E7C
Tritanopia (blue-blind)
#006064
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #1b567d;
/* rgb */ color: rgb(27, 86, 125);
/* oklch */ color: oklch(43.5% 0.088 242.1);
Tailwind
colors: {
  custom: {
    50: '#6785a3',
    500: '#1b567d',
    950: '#000000',
  },
}
SCSS
$custom: #1b567d;
$custom-light: #6785a3;
$custom-dark: #000000;
JSON
{
  "hex": "#1b567d",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 125
  },
  "hsl": {
    "h": 203.878,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.435,
    "c": 0.08767,
    "h": 242.1
  },
  "luminance": 0.08369
}

Semantic roles & 50–950 ramp

primary
#1B567D
secondary
#B16F43
accent
#8340E7
background
#F6F8FA
surface
#EBEFF3
border
#C6CACD
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #1B567D

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

Preview Lab → · Contrast checker → · Palette generator →

#1B567D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva