#1C5586#1C5586

#1C5586 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.8% C 0.100 H 248.5°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX#1C5586
RGBrgb(28, 85, 134)
HSLhsl(208, 65%, 32%)
HSVhsv(208, 79%, 53%)
CMYKcmyk(79.1%, 36.6%, 0%, 47.5%)
CIE-LABlab(34.93, -0.15, -32.60)
CIE-LCHlch(34.93, 32.60, 269.74°)
OKLaboklab(43.82% -0.0366 -0.0928)
OKLCHoklch(43.82% 0.1 248.5)
XYZxyz(8.0288, 8.4642, 23.7602)
Luminance0.0847 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5586 #864D1C
analogous
#1C8682 #1C5586 #1C2086
triadic
#1C5586 #861C55 #55861C
tetradic
#1C5586 #821C86 #864D1C #20861C
square
#1C5586 #821C86 #864D1C #20861C
split-complementary
#1C5586 #861C20 #86821C
monochromatic
#071521 #113553 #1C5586 #2775B9 #4494D8

Accessibility & contrast

On white

7.80
#1C5586 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.69
#1C5586 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5586
7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5586#FFFFFF#000000##FFFFFF
##1C55861.007.802.697.80
#FFFFFF7.801.0021.001.00
#0000002.6921.001.0021.00
##FFFFFF7.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E5788
Deuteranopia (green-blind)
#2F4E85
Tritanopia (blue-blind)
#006167
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #1c5586;
/* rgb */ color: rgb(28, 85, 134);
/* oklch */ color: oklch(43.8% 0.100 248.5);
Tailwind
colors: {
  custom: {
    50: '#6984a9',
    500: '#1c5586',
    950: '#000000',
  },
}
SCSS
$custom: #1c5586;
$custom-light: #6984a9;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5586",
  "rgb": {
    "r": 28,
    "g": 85,
    "b": 134
  },
  "hsl": {
    "h": 207.736,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.43819,
    "c": 0.09972,
    "h": 248.5
  },
  "luminance": 0.08465
}

Semantic roles & 50–950 ramp

primary
#1C5586
secondary
#B97B45
accent
#8E3FE8
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #1C5586

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5586 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva