#1D5C83#1D5C83

#1D5C83 is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.4% C 0.089 H 240.5°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX#1D5C83
RGBrgb(29, 92, 131)
HSLhsl(203, 64%, 31%)
HSVhsv(203, 78%, 51%)
CMYKcmyk(77.9%, 29.8%, 0%, 48.6%)
CIE-LABlab(37.03, -5.60, -27.45)
CIE-LCHlch(37.03, 28.02, 258.47°)
OKLaboklab(45.43% -0.044 -0.0776)
OKLCHoklch(45.43% 0.089 240.5)
XYZxyz(8.4290, 9.5532, 22.8680)
Luminance0.0955 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5C83 #83441D
analogous
#1D8377 #1D5C83 #1D2983
triadic
#1D5C83 #831D5C #5C831D
tetradic
#1D5C83 #771D83 #83441D #29831D
square
#1D5C83 #771D83 #83441D #29831D
split-complementary
#1D5C83 #831D29 #83771D
monochromatic
#07161F #123951 #1D5C83 #287FB5 #459ED6

Accessibility & contrast

On white

7.21
#1D5C83 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.91
#1D5C83 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5C83
7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5C83#FFFFFF#000000##FFFFFF
##1D5C831.007.212.917.21
#FFFFFF7.211.0021.001.00
#0000002.9121.001.0021.00
##FFFFFF7.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A5C85
Deuteranopia (green-blind)
#3C5382
Tritanopia (blue-blind)
#00666A
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #1d5c83;
/* rgb */ color: rgb(29, 92, 131);
/* oklch */ color: oklch(45.4% 0.089 240.5);
Tailwind
colors: {
  custom: {
    50: '#698aa7',
    500: '#1d5c83',
    950: '#000000',
  },
}
SCSS
$custom: #1d5c83;
$custom-light: #698aa7;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5c83",
  "rgb": {
    "r": 29,
    "g": 92,
    "b": 131
  },
  "hsl": {
    "h": 202.941,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.45429,
    "c": 0.08924,
    "h": 240.5
  },
  "luminance": 0.09554
}

Semantic roles & 50–950 ramp

primary
#1D5C83
secondary
#B67146
accent
#8041E7
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #1D5C83

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5C83 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva