#1B516C#1B516C

#1B516C is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.3% C 0.072 H 234.3°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX#1B516C
RGBrgb(27, 81, 108)
HSLhsl(200, 60%, 26%)
HSVhsv(200, 75%, 42%)
CMYKcmyk(75%, 25%, 0%, 57.6%)
CIE-LABlab(32.26, -7.82, -20.67)
CIE-LCHlch(32.26, 22.10, 249.27°)
OKLaboklab(41.25% -0.0418 -0.0581)
OKLCHoklch(41.25% 0.072 234.3)
XYZxyz(6.1001, 7.1999, 15.2527)
Luminance0.0720 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B516C #6C361B
analogous
#1B6C5F #1B516C #1B296C
triadic
#1B516C #6C1B51 #516C1B
tetradic
#1B516C #5F1B6C #6C361B #296C1B
square
#1B516C #5F1B6C #6C361B #296C1B
split-complementary
#1B516C #6C1B29 #6C5F1B
monochromatic
#061218 #0F2C3B #1B516C #27769D #359ACC

Accessibility & contrast

On white

8.61
#1B516C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.44
#1B516C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B516C
8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B516C#FFFFFF#000000##FFFFFF
##1B516C1.008.612.448.61
#FFFFFF8.611.0021.001.00
#0000002.4421.001.0021.00
##FFFFFF8.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#44506D
Deuteranopia (green-blind)
#39486C
Tritanopia (blue-blind)
#00585A
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #1b516c;
/* rgb */ color: rgb(27, 81, 108);
/* oklch */ color: oklch(41.3% 0.072 234.3);
Tailwind
colors: {
  custom: {
    50: '#638196',
    500: '#1b516c',
    950: '#000000',
  },
}
SCSS
$custom: #1b516c;
$custom-light: #638196;
$custom-dark: #000000;
JSON
{
  "hex": "#1b516c",
  "rgb": {
    "r": 27,
    "g": 81,
    "b": 108
  },
  "hsl": {
    "h": 200,
    "s": 60,
    "l": 26.471
  },
  "oklch": {
    "l": 0.41253,
    "c": 0.07161,
    "h": 234.3
  },
  "luminance": 0.07201
}

Semantic roles & 50–950 ramp

primary
#1B516C
secondary
#A16242
accent
#7945E3
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #1B516C

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

Preview Lab → · Contrast checker → · Palette generator →

#1B516C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva