#1D479C#1D479C

#1D479C is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.2% C 0.147 H 262.3°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#1D479C
RGB	rgb(29, 71, 156)
HSL	hsl(220, 69%, 36%)
HSV	hsv(220, 81%, 61%)
CMYK	cmyk(81.4%, 54.5%, 0%, 38.8%)
CIE-LAB	lab(32.18, 18.15, -50.40)
CIE-LCH	lch(32.18, 53.57, 289.80°)
OKLab	oklab(42.17% -0.0197 -0.1454)
OKLCH	oklch(42.17% 0.147 262.3)
XYZ	xyz(8.7585, 7.1669, 32.3678)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D479C #9C721D

analogous

#1D879C #1D479C #321D9C

triadic

#1D479C #9C1D47 #479C1D

tetradic

#1D479C #9C1D87 #9C721D #1D9C32

square

#1D479C #9C1D87 #9C721D #1D9C32

split-complementary

#1D479C #9C321D #879C1D

monochromatic

#0A1835 #133068 #1D479C #275ED0 #5482DF

Accessibility & contrast

On white

8.63

#1D479C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1D479C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D479C

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D479C	#FFFFFF	#000000	##FFFFFF
##1D479C	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00529F

Deuteranopia (green-blind)

#00469A

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d479c;
/* rgb */ color: rgb(29, 71, 156);
/* oklch */ color: oklch(42.2% 0.147 262.3);

Tailwind

colors: {
  custom: {
    50: '#6f79ba',
    500: '#1d479c',
    950: '#000000',
  },
}

SCSS

$custom: #1d479c;
$custom-light: #6f79ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d479c",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 156
  },
  "hsl": {
    "h": 220.157,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.42167,
    "c": 0.14669,
    "h": 262.3
  },
  "luminance": 0.07168
}

Semantic roles & 50–950 ramp

primary

#1D479C

secondary

#C29D52

accent

#B23CEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D479C

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

Preview Lab → · Contrast checker → · Palette generator →