#1C5B82#1C5B82

#1C5B82 is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.1% C 0.089 H 240.6°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX#1C5B82
RGBrgb(28, 91, 130)
HSLhsl(203, 65%, 31%)
HSVhsv(203, 78%, 51%)
CMYKcmyk(78.5%, 30%, 0%, 49%)
CIE-LABlab(36.63, -5.49, -27.47)
CIE-LCHlch(36.63, 28.01, 258.69°)
OKLaboklab(45.09% -0.0438 -0.0777)
OKLCHoklch(45.09% 0.089 240.6)
XYZxyz(8.2477, 9.3398, 22.4828)
Luminance0.0934 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5B82 #82431C
analogous
#1C8276 #1C5B82 #1C2882
triadic
#1C5B82 #821C5B #5B821C
tetradic
#1C5B82 #761C82 #82431C #28821C
square
#1C5B82 #761C82 #82431C #28821C
split-complementary
#1C5B82 #821C28 #82761C
monochromatic
#06151D #113850 #1C5B82 #277EB4 #429ED6

Accessibility & contrast

On white

7.32
#1C5B82 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.87
#1C5B82 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5B82
7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5B82#FFFFFF#000000##FFFFFF
##1C5B821.007.322.877.32
#FFFFFF7.321.0021.001.00
#0000002.8721.001.0021.00
##FFFFFF7.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#495B84
Deuteranopia (green-blind)
#3B5281
Tritanopia (blue-blind)
#006569
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #1c5b82;
/* rgb */ color: rgb(28, 91, 130);
/* oklch */ color: oklch(45.1% 0.089 240.6);
Tailwind
colors: {
  custom: {
    50: '#6889a6',
    500: '#1c5b82',
    950: '#000000',
  },
}
SCSS
$custom: #1c5b82;
$custom-light: #6889a6;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5b82",
  "rgb": {
    "r": 28,
    "g": 91,
    "b": 130
  },
  "hsl": {
    "h": 202.941,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.4509,
    "c": 0.08923,
    "h": 240.6
  },
  "luminance": 0.09341
}

Semantic roles & 50–950 ramp

primary
#1C5B82
secondary
#B57044
accent
#8040E8
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #1C5B82

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5B82 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva