#1D3C96#1D3C96

#1D3C96 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.152 H 265.3°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#1D3C96
RGB	rgb(29, 60, 150)
HSL	hsl(225, 68%, 35%)
HSV	hsv(225, 81%, 59%)
CMYK	cmyk(80.7%, 60%, 0%, 41.2%)
CIE-LAB	lab(28.63, 23.29, -52.54)
CIE-LCH	lch(28.63, 57.47, 293.91°)
OKLab	oklab(39.34% -0.0124 -0.1518)
OKLCH	oklch(39.34% 0.152 265.3)
XYZ	xyz(7.6256, 5.6940, 29.5454)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3C96 #96771D

analogous

#1D7996 #1D3C96 #3A1D96

triadic

#1D3C96 #961D3C #3C961D

tetradic

#1D3C96 #961D79 #96771D #1D963A

square

#1D3C96 #961D79 #96771D #1D963A

split-complementary

#1D3C96 #963A1D #79961D

monochromatic

#09132F #132763 #1D3C96 #2751C9 #5074DD

Accessibility & contrast

On white

9.82

#1D3C96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1D3C96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3C96

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3C96	#FFFFFF	#000000	##FFFFFF
##1D3C96	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004999

Deuteranopia (green-blind)

#003E94

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d3c96;
/* rgb */ color: rgb(29, 60, 150);
/* oklch */ color: oklch(39.3% 0.152 265.3);

Tailwind

colors: {
  custom: {
    50: '#6e71b6',
    500: '#1d3c96',
    950: '#000000',
  },
}

SCSS

$custom: #1d3c96;
$custom-light: #6e71b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3c96",
  "rgb": {
    "r": 29,
    "g": 60,
    "b": 150
  },
  "hsl": {
    "h": 224.628,
    "s": 67.598,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39335,
    "c": 0.15233,
    "h": 265.3
  },
  "luminance": 0.05695
}

Semantic roles & 50–950 ramp

primary

#1D3C96

secondary

#C0A34F

accent

#BE3DEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D3C96

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

Preview Lab → · Contrast checker → · Palette generator →