#1D3E76#1D3E76

#1D3E76 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.104 H 260.3°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX#1D3E76
RGBrgb(29, 62, 118)
HSLhsl(218, 61%, 29%)
HSVhsv(218, 75%, 46%)
CMYKcmyk(75.4%, 47.5%, 0%, 53.7%)
CIE-LABlab(26.77, 9.00, -35.64)
CIE-LCHlch(26.77, 36.76, 284.18°)
OKLaboklab(37.16% -0.0175 -0.1021)
OKLCHoklch(37.16% 0.104 260.3)
XYZxyz(5.4982, 5.0139, 17.8140)
Luminance0.0501 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D3E76 #76551D
analogous
#1D6B76 #1D3E76 #291D76
triadic
#1D3E76 #761D3E #3E761D
tetradic
#1D3E76 #761D6B #76551D #1D7629
square
#1D3E76 #761D6B #76551D #1D7629
split-complementary
#1D3E76 #76291D #6B761D
monochromatic
#060D19 #112445 #1D3E76 #2958A7 #3E74D0

Accessibility & contrast

On white

10.49
#1D3E76 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.00
#1D3E76 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3E76
10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D3E76#FFFFFF#000000##FFFFFF
##1D3E761.0010.492.0010.49
#FFFFFF10.491.0021.001.00
#0000002.0021.001.0021.00
##FFFFFF10.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#214478
Deuteranopia (green-blind)
#0F3B75
Tritanopia (blue-blind)
#004B54
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #1d3e76;
/* rgb */ color: rgb(29, 62, 118);
/* oklch */ color: oklch(37.2% 0.104 260.3);
Tailwind
colors: {
  custom: {
    50: '#66729e',
    500: '#1d3e76',
    950: '#000000',
  },
}
SCSS
$custom: #1d3e76;
$custom-light: #66729e;
$custom-dark: #000000;
JSON
{
  "hex": "#1d3e76",
  "rgb": {
    "r": 29,
    "g": 62,
    "b": 118
  },
  "hsl": {
    "h": 217.753,
    "s": 60.544,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37159,
    "c": 0.10358,
    "h": 260.3
  },
  "luminance": 0.05014
}

Semantic roles & 50–950 ramp

primary
#1D3E76
secondary
#AA8445
accent
#A944E4
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06080E
muted
#7A7B7E

Preview Lab

Preview with #1D3E76

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

Preview Lab → · Contrast checker → · Palette generator →

#1D3E76 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva