#1D479E#1D479E

#1D479E is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.3% C 0.149 H 262.5°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#1D479E
RGB	rgb(29, 71, 158)
HSL	hsl(220, 69%, 37%)
HSV	hsv(220, 82%, 62%)
CMYK	cmyk(81.6%, 55.1%, 0%, 38%)
CIE-LAB	lab(32.34, 18.95, -51.37)
CIE-LCH	lch(32.34, 54.75, 290.25°)
OKLab	oklab(42.33% -0.0195 -0.1482)
OKLCH	oklch(42.33% 0.149 262.5)
XYZ	xyz(8.9293, 7.2352, 33.2671)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D479E #9E741D

analogous

#1D889E #1D479E #341D9E

triadic

#1D479E #9E1D47 #479E1D

tetradic

#1D479E #9E1D88 #9E741D #1D9E34

square

#1D479E #9E1D88 #9E741D #1D9E34

split-complementary

#1D479E #9E341D #889E1D

monochromatic

#0A1937 #14306A #1D479E #265ED2 #5683E0

Accessibility & contrast

On white

8.58

#1D479E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1D479E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D479E

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D479E	#FFFFFF	#000000	##FFFFFF
##1D479E	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A1

Deuteranopia (green-blind)

#00469C

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d479e;
/* rgb */ color: rgb(29, 71, 158);
/* oklch */ color: oklch(42.3% 0.149 262.5);

Tailwind

colors: {
  custom: {
    50: '#6f79bb',
    500: '#1d479e',
    950: '#000000',
  },
}

SCSS

$custom: #1d479e;
$custom-light: #6f79bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d479e",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 158
  },
  "hsl": {
    "h": 220.465,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42331,
    "c": 0.14946,
    "h": 262.5
  },
  "luminance": 0.07236
}

Semantic roles & 50–950 ramp

primary

#1D479E

secondary

#C39F54

accent

#B33CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D479E

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

Preview Lab → · Contrast checker → · Palette generator →