#1D3395#1D3395

#1D3395 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.162 H 267.6°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX#1D3395
RGBrgb(29, 51, 149)
HSLhsl(229, 67%, 35%)
HSVhsv(229, 81%, 58%)
CMYKcmyk(80.5%, 65.8%, 0%, 41.6%)
CIE-LABlab(26.15, 29.02, -55.97)
CIE-LCHlch(26.15, 63.05, 297.41°)
OKLaboklab(37.47% -0.0069 -0.162)
OKLCHoklch(37.47% 0.162 267.6)
XYZxyz(7.1134, 4.7980, 28.9791)
Luminance0.0480 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D3395 #957F1D
analogous
#1D6F95 #1D3395 #431D95
triadic
#1D3395 #951D33 #33951D
tetradic
#1D3395 #951D6F #957F1D #1D9543
square
#1D3395 #951D6F #957F1D #1D9543
split-complementary
#1D3395 #95431D #6F951D
monochromatic
#09102F #132162 #1D3395 #2745C8 #5069DD

Accessibility & contrast

On white

10.72
#1D3395 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.96
#1D3395 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3395
10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D3395#FFFFFF#000000##FFFFFF
##1D33951.0010.721.9610.72
#FFFFFF10.721.0021.001.00
#0000001.9621.001.0021.00
##FFFFFF10.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004498
Deuteranopia (green-blind)
#003893
Tritanopia (blue-blind)
#004D5F
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #1d3395;
/* rgb */ color: rgb(29, 51, 149);
/* oklch */ color: oklch(37.5% 0.162 267.6);
Tailwind
colors: {
  custom: {
    50: '#6f6ab5',
    500: '#1d3395',
    950: '#000000',
  },
}
SCSS
$custom: #1d3395;
$custom-light: #6f6ab5;
$custom-dark: #000000;
JSON
{
  "hex": "#1d3395",
  "rgb": {
    "r": 29,
    "g": 51,
    "b": 149
  },
  "hsl": {
    "h": 229,
    "s": 67.416,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37471,
    "c": 0.16216,
    "h": 267.6
  },
  "luminance": 0.04799
}

Semantic roles & 50–950 ramp

primary
#1D3395
secondary
#C0AB4E
accent
#CB3DEA
background
#F7F6FB
surface
#EDEBF6
border
#C8C6D0
text
#090611
muted
#7B7A80

Preview Lab

Preview with #1D3395

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

Preview Lab → · Contrast checker → · Palette generator →

#1D3395 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva