#1D479A#1D479A

#1D479A is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.0% C 0.144 H 262.1°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#1D479A
RGB	rgb(29, 71, 154)
HSL	hsl(220, 68%, 36%)
HSV	hsv(220, 81%, 60%)
CMYK	cmyk(81.2%, 53.9%, 0%, 39.6%)
CIE-LAB	lab(32.03, 17.35, -49.44)
CIE-LCH	lch(32.03, 52.39, 289.34°)
OKLab	oklab(42% -0.0199 -0.1425)
OKLCH	oklch(42% 0.144 262.1)
XYZ	xyz(8.5906, 7.0998, 31.4832)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D479A #9A701D

analogous

#1D859A #1D479A #311D9A

triadic

#1D479A #9A1D47 #479A1D

tetradic

#1D479A #9A1D85 #9A701D #1D9A31

square

#1D479A #9A1D85 #9A701D #1D9A31

split-complementary

#1D479A #9A311D #859A1D

monochromatic

#0A1833 #132F66 #1D479A #275FCE #5382DF

Accessibility & contrast

On white

8.68

#1D479A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1D479A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D479A

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D479A	#FFFFFF	#000000	##FFFFFF
##1D479A	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07519D

Deuteranopia (green-blind)

#004698

Tritanopia (blue-blind)

#005B69

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d479a;
/* rgb */ color: rgb(29, 71, 154);
/* oklch */ color: oklch(42.0% 0.144 262.1);

Tailwind

colors: {
  custom: {
    50: '#6e79b8',
    500: '#1d479a',
    950: '#000000',
  },
}

SCSS

$custom: #1d479a;
$custom-light: #6e79b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d479a",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 154
  },
  "hsl": {
    "h": 219.84,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42004,
    "c": 0.14389,
    "h": 262.1
  },
  "luminance": 0.07101
}

Semantic roles & 50–950 ramp

primary

#1D479A

secondary

#C29C51

accent

#B13DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D479A

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

Preview Lab → · Contrast checker → · Palette generator →