#1D3795#1D3795

#1D3795 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.2% C 0.157 H 266.6°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#1D3795
RGB	rgb(29, 55, 149)
HSL	hsl(227, 67%, 35%)
HSV	hsv(227, 81%, 58%)
CMYK	cmyk(80.5%, 63.1%, 0%, 41.6%)
CIE-LAB	lab(27.19, 26.32, -54.27)
CIE-LCH	lch(27.19, 60.31, 295.87°)
OKLab	oklab(38.24% -0.0092 -0.157)
OKLCH	oklch(38.24% 0.157 266.6)
XYZ	xyz(7.2958, 5.1627, 29.0399)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3795 #957B1D

analogous

#1D7395 #1D3795 #3F1D95

triadic

#1D3795 #951D37 #37951D

tetradic

#1D3795 #951D73 #957B1D #1D953F

square

#1D3795 #951D73 #957B1D #1D953F

split-complementary

#1D3795 #953F1D #73951D

monochromatic

#09112F #132462 #1D3795 #274AC8 #506EDD

Accessibility & contrast

On white

10.33

#1D3795 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1D3795 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3795

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3795	#FFFFFF	#000000	##FFFFFF
##1D3795	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004698

Deuteranopia (green-blind)

#003B93

Tritanopia (blue-blind)

#004F60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d3795;
/* rgb */ color: rgb(29, 55, 149);
/* oklch */ color: oklch(38.2% 0.157 266.6);

Tailwind

colors: {
  custom: {
    50: '#6e6db5',
    500: '#1d3795',
    950: '#000000',
  },
}

SCSS

$custom: #1d3795;
$custom-light: #6e6db5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3795",
  "rgb": {
    "r": 29,
    "g": 55,
    "b": 149
  },
  "hsl": {
    "h": 227,
    "s": 67.416,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38241,
    "c": 0.15724,
    "h": 266.6
  },
  "luminance": 0.05164
}

Semantic roles & 50–950 ramp

primary

#1D3795

secondary

#C0A74E

accent

#C53DEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D3795

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

Preview Lab → · Contrast checker → · Palette generator →