#1C5587#1C5587

#1C5587 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.9% C 0.101 H 248.9°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX#1C5587
RGBrgb(28, 85, 135)
HSLhsl(208, 66%, 32%)
HSVhsv(208, 79%, 53%)
CMYKcmyk(79.3%, 37%, 0%, 47.1%)
CIE-LABlab(34.99, 0.25, -33.12)
CIE-LCHlch(34.99, 33.12, 270.43°)
OKLaboklab(43.88% -0.0363 -0.0943)
OKLCHoklch(43.88% 0.101 248.9)
XYZxyz(8.0989, 8.4922, 24.1293)
Luminance0.0849 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5587 #874E1C
analogous
#1C8784 #1C5587 #1C2087
triadic
#1C5587 #871C55 #55871C
tetradic
#1C5587 #841C87 #874E1C #20871C
square
#1C5587 #841C87 #874E1C #20871C
split-complementary
#1C5587 #871C20 #87841C
monochromatic
#071522 #113554 #1C5587 #2775BA #4594D8

Accessibility & contrast

On white

7.78
#1C5587 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.70
#1C5587 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5587
7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5587#FFFFFF#000000##FFFFFF
##1C55871.007.782.707.78
#FFFFFF7.781.0021.001.00
#0000002.7021.001.0021.00
##FFFFFF7.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E5889
Deuteranopia (green-blind)
#2E4E86
Tritanopia (blue-blind)
#006167
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #1c5587;
/* rgb */ color: rgb(28, 85, 135);
/* oklch */ color: oklch(43.9% 0.101 248.9);
Tailwind
colors: {
  custom: {
    50: '#6984aa',
    500: '#1c5587',
    950: '#000000',
  },
}
SCSS
$custom: #1c5587;
$custom-light: #6984aa;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5587",
  "rgb": {
    "r": 28,
    "g": 85,
    "b": 135
  },
  "hsl": {
    "h": 208.037,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.43881,
    "c": 0.10104,
    "h": 248.9
  },
  "luminance": 0.08493
}

Semantic roles & 50–950 ramp

primary
#1C5587
secondary
#BA7C45
accent
#8E3FE9
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #1C5587

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5587 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva