#1D5A82#1D5A82

#1D5A82 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.9% C 0.090 H 241.9°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX#1D5A82
RGBrgb(29, 90, 130)
HSLhsl(204, 64%, 31%)
HSVhsv(204, 78%, 51%)
CMYKcmyk(77.7%, 30.8%, 0%, 49%)
CIE-LABlab(36.34, -4.74, -27.93)
CIE-LCHlch(36.34, 28.33, 260.37°)
OKLaboklab(44.87% -0.0423 -0.079)
OKLCHoklch(44.87% 0.09 241.9)
XYZxyz(8.1906, 9.1843, 22.4558)
Luminance0.0919 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5A82 #82451D
analogous
#1D8277 #1D5A82 #1D2882
triadic
#1D5A82 #821D5A #5A821D
tetradic
#1D5A82 #771D82 #82451D #28821D
square
#1D5A82 #771D82 #82451D #28821D
split-complementary
#1D5A82 #821D28 #82771D
monochromatic
#07151E #123750 #1D5A82 #287DB4 #449CD5

Accessibility & contrast

On white

7.40
#1D5A82 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.84
#1D5A82 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5A82
7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5A82#FFFFFF#000000##FFFFFF
##1D5A821.007.402.847.40
#FFFFFF7.401.0021.001.00
#0000002.8421.001.0021.00
##FFFFFF7.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#475B84
Deuteranopia (green-blind)
#3A5181
Tritanopia (blue-blind)
#006468
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #1d5a82;
/* rgb */ color: rgb(29, 90, 130);
/* oklch */ color: oklch(44.9% 0.090 241.9);
Tailwind
colors: {
  custom: {
    50: '#6988a6',
    500: '#1d5a82',
    950: '#000000',
  },
}
SCSS
$custom: #1d5a82;
$custom-light: #6988a6;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5a82",
  "rgb": {
    "r": 29,
    "g": 90,
    "b": 130
  },
  "hsl": {
    "h": 203.762,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.44865,
    "c": 0.08965,
    "h": 241.9
  },
  "luminance": 0.09185
}

Semantic roles & 50–950 ramp

primary
#1D5A82
secondary
#B57246
accent
#8341E7
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #1D5A82

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5A82 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva