#1D4F83#1D4F83

#1D4F83 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.2% C 0.102 H 252.2°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX#1D4F83
RGBrgb(29, 79, 131)
HSLhsl(211, 64%, 31%)
HSVhsv(211, 78%, 51%)
CMYKcmyk(77.9%, 39.7%, 0%, 48.6%)
CIE-LABlab(32.90, 2.71, -33.97)
CIE-LCHlch(32.90, 34.08, 274.56°)
OKLaboklab(42.18% -0.031 -0.0969)
OKLCHoklch(42.18% 0.102 252.2)
XYZxyz(7.3979, 7.4910, 22.5243)
Luminance0.0749 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D4F83 #83511D
analogous
#1D8283 #1D4F83 #1E1D83
triadic
#1D4F83 #831D4F #4F831D
tetradic
#1D4F83 #831D82 #83511D #1D831E
square
#1D4F83 #831D82 #83511D #1D831E
split-complementary
#1D4F83 #831E1D #82831D
monochromatic
#07131F #123151 #1D4F83 #286DB5 #458CD6

Accessibility & contrast

On white

8.41
#1D4F83 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.50
#1D4F83 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4F83
8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D4F83#FFFFFF#000000##FFFFFF
##1D4F831.008.412.508.41
#FFFFFF8.411.0021.001.00
#0000002.5021.001.0021.00
##FFFFFF8.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#375285
Deuteranopia (green-blind)
#274982
Tritanopia (blue-blind)
#005B62
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #1d4f83;
/* rgb */ color: rgb(29, 79, 131);
/* oklch */ color: oklch(42.2% 0.102 252.2);
Tailwind
colors: {
  custom: {
    50: '#697fa7',
    500: '#1d4f83',
    950: '#000000',
  },
}
SCSS
$custom: #1d4f83;
$custom-light: #697fa7;
$custom-dark: #000000;
JSON
{
  "hex": "#1d4f83",
  "rgb": {
    "r": 29,
    "g": 79,
    "b": 131
  },
  "hsl": {
    "h": 210.588,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.42179,
    "c": 0.10173,
    "h": 252.2
  },
  "luminance": 0.07492
}

Semantic roles & 50–950 ramp

primary
#1D4F83
secondary
#B67F46
accent
#9641E7
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1D4F83

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

Preview Lab → · Contrast checker → · Palette generator →

#1D4F83 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva