#1D4A82#1D4A82

#1D4A82 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.9% C 0.106 H 255.6°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX#1D4A82
RGBrgb(29, 74, 130)
HSLhsl(213, 64%, 31%)
HSVhsv(213, 78%, 51%)
CMYKcmyk(77.7%, 43.1%, 0%, 49%)
CIE-LABlab(31.28, 5.64, -35.94)
CIE-LCHlch(31.28, 36.38, 278.91°)
OKLaboklab(40.89% -0.0265 -0.1028)
OKLCHoklch(40.89% 0.106 255.6)
XYZxyz(6.9832, 6.7697, 22.0534)
Luminance0.0677 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D4A82 #82551D
analogous
#1D7C82 #1D4A82 #221D82
triadic
#1D4A82 #821D4A #4A821D
tetradic
#1D4A82 #821D7C #82551D #1D8222
square
#1D4A82 #821D7C #82551D #1D8222
split-complementary
#1D4A82 #82221D #7C821D
monochromatic
#07111E #122E50 #1D4A82 #2866B4 #4485D5

Accessibility & contrast

On white

8.92
#1D4A82 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.35
#1D4A82 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4A82
8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D4A82#FFFFFF#000000##FFFFFF
##1D4A821.008.922.358.92
#FFFFFF8.921.0021.001.00
#0000002.3521.001.0021.00
##FFFFFF8.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F4F84
Deuteranopia (green-blind)
#1D4581
Tritanopia (blue-blind)
#00575F
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #1d4a82;
/* rgb */ color: rgb(29, 74, 130);
/* oklch */ color: oklch(40.9% 0.106 255.6);
Tailwind
colors: {
  custom: {
    50: '#687ca7',
    500: '#1d4a82',
    950: '#000000',
  },
}
SCSS
$custom: #1d4a82;
$custom-light: #687ca7;
$custom-dark: #000000;
JSON
{
  "hex": "#1d4a82",
  "rgb": {
    "r": 29,
    "g": 74,
    "b": 130
  },
  "hsl": {
    "h": 213.267,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40894,
    "c": 0.10611,
    "h": 255.6
  },
  "luminance": 0.0677
}

Semantic roles & 50–950 ramp

primary
#1D4A82
secondary
#B58346
accent
#9D41E7
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07090F
muted
#7A7B7F

Preview Lab

Preview with #1D4A82

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

Preview Lab → · Contrast checker → · Palette generator →

#1D4A82 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva