#1D3792#1D3792

#1D3792 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.0% C 0.153 H 266.5°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#1D3792
RGB	rgb(29, 55, 146)
HSL	hsl(227, 67%, 34%)
HSV	hsv(227, 80%, 57%)
CMYK	cmyk(80.1%, 62.3%, 0%, 42.7%)
CIE-LAB	lab(26.93, 25.14, -52.86)
CIE-LCH	lch(26.93, 58.53, 295.44°)
OKLab	oklab(37.96% -0.0092 -0.1528)
OKLCH	oklch(37.96% 0.153 266.5)
XYZ	xyz(7.0594, 5.0681, 27.7947)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3792 #92781D

analogous

#1D7292 #1D3792 #3E1D92

triadic

#1D3792 #921D37 #37921D

tetradic

#1D3792 #921D72 #92781D #1D923E

square

#1D3792 #921D72 #92781D #1D923E

split-complementary

#1D3792 #923E1D #72921D

monochromatic

#09112C #13245F #1D3792 #274AC5 #4E6DDC

Accessibility & contrast

On white

10.43

#1D3792 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1D3792 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3792

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3792	#FFFFFF	#000000	##FFFFFF
##1D3792	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004595

Deuteranopia (green-blind)

#003A90

Tritanopia (blue-blind)

#004E5F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d3792;
/* rgb */ color: rgb(29, 55, 146);
/* oklch */ color: oklch(38.0% 0.153 266.5);

Tailwind

colors: {
  custom: {
    50: '#6d6db3',
    500: '#1d3792',
    950: '#000000',
  },
}

SCSS

$custom: #1d3792;
$custom-light: #6d6db3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3792",
  "rgb": {
    "r": 29,
    "g": 55,
    "b": 146
  },
  "hsl": {
    "h": 226.667,
    "s": 66.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37962,
    "c": 0.15312,
    "h": 266.5
  },
  "luminance": 0.05069
}

Semantic roles & 50–950 ramp

primary

#1D3792

secondary

#BEA54C

accent

#C43EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D3792

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

Preview Lab → · Contrast checker → · Palette generator →