#1D3365#1D3365

#1D3365 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.3% C 0.092 H 264.2°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX#1D3365
RGBrgb(29, 51, 101)
HSLhsl(222, 55%, 25%)
HSVhsv(222, 71%, 40%)
CMYKcmyk(71.3%, 49.5%, 0%, 60.4%)
CIE-LABlab(22.19, 9.87, -32.09)
CIE-LCHlch(22.19, 33.58, 287.09°)
OKLaboklab(33.26% -0.0094 -0.0919)
OKLCHoklch(33.26% 0.092 264.2)
XYZxyz(4.0387, 3.5681, 12.7853)
Luminance0.0357 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D3365 #654F1D
analogous
#1D5765 #1D3365 #2B1D65
triadic
#1D3365 #651D33 #33651D
tetradic
#1D3365 #651D57 #654F1D #1D652B
square
#1D3365 #651D57 #654F1D #1D652B
split-complementary
#1D3365 #652B1D #57651D
monochromatic
#070C18 #0F1B35 #1D3365 #2B4B95 #3863C4

Accessibility & contrast

On white

12.25
#1D3365 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.71
#1D3365 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3365
12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D3365#FFFFFF#000000##FFFFFF
##1D33651.0012.251.7112.25
#FFFFFF12.251.0021.001.00
#0000001.7121.001.0021.00
##FFFFFF12.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A3967
Deuteranopia (green-blind)
#0B3264
Tritanopia (blue-blind)
#003F47
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #1d3365;
/* rgb */ color: rgb(29, 51, 101);
/* oklch */ color: oklch(33.3% 0.092 264.2);
Tailwind
colors: {
  custom: {
    50: '#626a91',
    500: '#1d3365',
    950: '#000000',
  },
}
SCSS
$custom: #1d3365;
$custom-light: #626a91;
$custom-dark: #000000;
JSON
{
  "hex": "#1d3365",
  "rgb": {
    "r": 29,
    "g": 51,
    "b": 101
  },
  "hsl": {
    "h": 221.667,
    "s": 55.385,
    "l": 25.49
  },
  "oklch": {
    "l": 0.33259,
    "c": 0.09235,
    "h": 264.2
  },
  "luminance": 0.03568
}

Semantic roles & 50–950 ramp

primary
#1D3365
secondary
#9A8044
accent
#B149DF
background
#F6F6F8
surface
#EBEBF0
border
#C6C6CB
text
#06060D
muted
#7A7A7D

Preview Lab

Preview with #1D3365

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

Preview Lab → · Contrast checker → · Palette generator →

#1D3365 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva