#1C5582#1C5582

#1C5582 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.6% C 0.094 H 246.4°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX#1C5582
RGBrgb(28, 85, 130)
HSLhsl(206, 65%, 31%)
HSVhsv(206, 78%, 51%)
CMYKcmyk(78.5%, 34.6%, 0%, 49%)
CIE-LABlab(34.71, -1.72, -30.49)
CIE-LCHlch(34.71, 30.54, 266.77°)
OKLaboklab(43.57% -0.0378 -0.0866)
OKLCHoklch(43.57% 0.094 246.4)
XYZxyz(7.7551, 8.3547, 22.3187)
Luminance0.0836 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5582 #82491C
analogous
#1C827C #1C5582 #1C2282
triadic
#1C5582 #821C55 #55821C
tetradic
#1C5582 #7C1C82 #82491C #22821C
square
#1C5582 #7C1C82 #82491C #22821C
split-complementary
#1C5582 #821C22 #827C1C
monochromatic
#06131D #113450 #1C5582 #2776B4 #4295D6

Accessibility & contrast

On white

7.86
#1C5582 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#1C5582 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5582
7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5582#FFFFFF#000000##FFFFFF
##1C55821.007.862.677.86
#FFFFFF7.861.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405784
Deuteranopia (green-blind)
#324D81
Tritanopia (blue-blind)
#006065
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #1c5582;
/* rgb */ color: rgb(28, 85, 130);
/* oklch */ color: oklch(43.6% 0.094 246.4);
Tailwind
colors: {
  custom: {
    50: '#6884a6',
    500: '#1c5582',
    950: '#000000',
  },
}
SCSS
$custom: #1c5582;
$custom-light: #6884a6;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5582",
  "rgb": {
    "r": 28,
    "g": 85,
    "b": 130
  },
  "hsl": {
    "h": 206.471,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.43573,
    "c": 0.09449,
    "h": 246.4
  },
  "luminance": 0.08356
}

Semantic roles & 50–950 ramp

primary
#1C5582
secondary
#B57644
accent
#8A40E8
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1C5582

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5582 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva