#1D3794#1D3794

#1D3794 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.156 H 266.6°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#1D3794
RGB	rgb(29, 55, 148)
HSL	hsl(227, 67%, 35%)
HSV	hsv(227, 80%, 58%)
CMYK	cmyk(80.4%, 62.8%, 0%, 42%)
CIE-LAB	lab(27.10, 25.92, -53.80)
CIE-LCH	lch(27.10, 59.72, 295.73°)
OKLab	oklab(38.15% -0.0092 -0.1556)
OKLCH	oklch(38.15% 0.156 266.6)
XYZ	xyz(7.2163, 5.1309, 28.6213)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3794 #947A1D

analogous

#1D7394 #1D3794 #3F1D94

triadic

#1D3794 #941D37 #37941D

tetradic

#1D3794 #941D73 #947A1D #1D943F

square

#1D3794 #941D73 #947A1D #1D943F

split-complementary

#1D3794 #943F1D #73941D

monochromatic

#09112E #132461 #1D3794 #274AC7 #4F6EDC

Accessibility & contrast

On white

10.36

#1D3794 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1D3794 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3794

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3794	#FFFFFF	#000000	##FFFFFF
##1D3794	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004697

Deuteranopia (green-blind)

#003B92

Tritanopia (blue-blind)

#004F60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d3794;
/* rgb */ color: rgb(29, 55, 148);
/* oklch */ color: oklch(38.1% 0.156 266.6);

Tailwind

colors: {
  custom: {
    50: '#6e6db4',
    500: '#1d3794',
    950: '#000000',
  },
}

SCSS

$custom: #1d3794;
$custom-light: #6e6db4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3794",
  "rgb": {
    "r": 29,
    "g": 55,
    "b": 148
  },
  "hsl": {
    "h": 226.891,
    "s": 67.232,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38147,
    "c": 0.15586,
    "h": 266.6
  },
  "luminance": 0.05132
}

Semantic roles & 50–950 ramp

primary

#1D3794

secondary

#BFA64E

accent

#C43EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D3794

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

Preview Lab → · Contrast checker → · Palette generator →