#1D3796#1D3796

#1D3796 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.3% C 0.159 H 266.7°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#1D3796
RGB	rgb(29, 55, 150)
HSL	hsl(227, 68%, 35%)
HSV	hsv(227, 81%, 59%)
CMYK	cmyk(80.7%, 63.3%, 0%, 41.2%)
CIE-LAB	lab(27.28, 26.71, -54.73)
CIE-LCH	lch(27.28, 60.90, 296.01°)
OKLab	oklab(38.33% -0.0092 -0.1583)
OKLCH	oklch(38.33% 0.159 266.7)
XYZ	xyz(7.3760, 5.1947, 29.4622)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3796 #967C1D

analogous

#1D7496 #1D3796 #3F1D96

triadic

#1D3796 #961D37 #37961D

tetradic

#1D3796 #961D74 #967C1D #1D963F

square

#1D3796 #961D74 #967C1D #1D963F

split-complementary

#1D3796 #963F1D #74961D

monochromatic

#09112F #132463 #1D3796 #274AC9 #506EDD

Accessibility & contrast

On white

10.30

#1D3796 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1D3796 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3796

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3796	#FFFFFF	#000000	##FFFFFF
##1D3796	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004699

Deuteranopia (green-blind)

#003B94

Tritanopia (blue-blind)

#005061

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d3796;
/* rgb */ color: rgb(29, 55, 150);
/* oklch */ color: oklch(38.3% 0.159 266.7);

Tailwind

colors: {
  custom: {
    50: '#6e6db6',
    500: '#1d3796',
    950: '#000000',
  },
}

SCSS

$custom: #1d3796;
$custom-light: #6e6db6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3796",
  "rgb": {
    "r": 29,
    "g": 55,
    "b": 150
  },
  "hsl": {
    "h": 227.107,
    "s": 67.598,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38334,
    "c": 0.15861,
    "h": 266.7
  },
  "luminance": 0.05196
}

Semantic roles & 50–950 ramp

primary

#1D3796

secondary

#C0A84F

accent

#C53DEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #1D3796

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

Preview Lab → · Contrast checker → · Palette generator →