#1B516D#1B516D

#1B516D is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.3% C 0.073 H 235.2°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX#1B516D
RGBrgb(27, 81, 109)
HSLhsl(200, 60%, 27%)
HSVhsv(200, 75%, 43%)
CMYKcmyk(75.2%, 25.7%, 0%, 57.3%)
CIE-LABlab(32.31, -7.44, -21.22)
CIE-LCHlch(32.31, 22.49, 250.68°)
OKLaboklab(41.31% -0.0414 -0.0597)
OKLCHoklch(41.31% 0.073 235.2)
XYZxyz(6.1537, 7.2213, 15.5346)
Luminance0.0722 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B516D #6D371B
analogous
#1B6D60 #1B516D #1B286D
triadic
#1B516D #6D1B51 #516D1B
tetradic
#1B516D #601B6D #6D371B #286D1B
square
#1B516D #601B6D #6D371B #286D1B
split-complementary
#1B516D #6D1B28 #6D601B
monochromatic
#061219 #0F2D3C #1B516D #27759E #3599CD

Accessibility & contrast

On white

8.59
#1B516D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.44
#1B516D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B516D
8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B516D#FFFFFF#000000##FFFFFF
##1B516D1.008.592.448.59
#FFFFFF8.591.0021.001.00
#0000002.4421.001.0021.00
##FFFFFF8.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#43506E
Deuteranopia (green-blind)
#38486D
Tritanopia (blue-blind)
#00585A
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #1b516d;
/* rgb */ color: rgb(27, 81, 109);
/* oklch */ color: oklch(41.3% 0.073 235.2);
Tailwind
colors: {
  custom: {
    50: '#638197',
    500: '#1b516d',
    950: '#000000',
  },
}
SCSS
$custom: #1b516d;
$custom-light: #638197;
$custom-dark: #000000;
JSON
{
  "hex": "#1b516d",
  "rgb": {
    "r": 27,
    "g": 81,
    "b": 109
  },
  "hsl": {
    "h": 200.488,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.41307,
    "c": 0.07269,
    "h": 235.2
  },
  "luminance": 0.07222
}

Semantic roles & 50–950 ramp

primary
#1B516D
secondary
#A26342
accent
#7B44E3
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #1B516D

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

Preview Lab → · Contrast checker → · Palette generator →

#1B516D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva