#1B5084#1B5084

#1B5084 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.4% C 0.103 H 251.3°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX#1B5084
RGBrgb(27, 80, 132)
HSLhsl(210, 66%, 31%)
HSVhsv(210, 80%, 52%)
CMYKcmyk(79.5%, 39.4%, 0%, 48.2%)
CIE-LABlab(33.21, 2.19, -34.10)
CIE-LCHlch(33.21, 34.17, 273.67°)
OKLaboklab(42.43% -0.0329 -0.0973)
OKLCHoklch(42.43% 0.103 251.3)
XYZxyz(7.4839, 7.6354, 22.9047)
Luminance0.0764 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5084 #844F1B
analogous
#1B8483 #1B5084 #1B1B84
triadic
#1B5084 #841B50 #50841B
tetradic
#1B5084 #831B84 #844F1B #1B841B
square
#1B5084 #831B84 #844F1B #1B841B
split-complementary
#1B5084 #841B1B #84831B
monochromatic
#06121E #113151 #1B5084 #256FB7 #418DD8

Accessibility & contrast

On white

8.31
#1B5084 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#1B5084 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5084
8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5084#FFFFFF#000000##FFFFFF
##1B50841.008.312.538.31
#FFFFFF8.311.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#375386
Deuteranopia (green-blind)
#274A83
Tritanopia (blue-blind)
#005C63
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #1b5084;
/* rgb */ color: rgb(27, 80, 132);
/* oklch */ color: oklch(42.4% 0.103 251.3);
Tailwind
colors: {
  custom: {
    50: '#6880a8',
    500: '#1b5084',
    950: '#000000',
  },
}
SCSS
$custom: #1b5084;
$custom-light: #6880a8;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5084",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 132
  },
  "hsl": {
    "h": 209.714,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.42425,
    "c": 0.10268,
    "h": 251.3
  },
  "luminance": 0.07636
}

Semantic roles & 50–950 ramp

primary
#1B5084
secondary
#B77D43
accent
#933FE9
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1B5084

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5084 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva