#1D347D#1D347D

#1D347D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.5% C 0.127 H 266.5°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#1D347D
RGB	rgb(29, 52, 125)
HSL	hsl(226, 62%, 30%)
HSV	hsv(226, 77%, 49%)
CMYK	cmyk(76.8%, 58.4%, 0%, 51%)
CIE-LAB	lab(24.31, 18.87, -44.04)
CIE-LCH	lch(24.31, 47.91, 293.19°)
OKLab	oklab(35.45% -0.0077 -0.127)
OKLCH	oklch(35.45% 0.127 266.5)
XYZ	xyz(5.4351, 4.1973, 19.9218)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D347D #7D661D

analogous

#1D647D #1D347D #361D7D

triadic

#1D347D #7D1D34 #347D1D

tetradic

#1D347D #7D1D64 #7D661D #1D7D36

square

#1D347D #7D1D64 #7D661D #1D7D36

split-complementary

#1D347D #7D361D #647D1D

monochromatic

#060B1A #111F4B #1D347D #2949AF #4164D3

Accessibility & contrast

On white

11.42

#1D347D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1D347D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D347D

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D347D	#FFFFFF	#000000	##FFFFFF
##1D347D	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E80

Deuteranopia (green-blind)

#00367C

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1d347d;
/* rgb */ color: rgb(29, 52, 125);
/* oklch */ color: oklch(35.5% 0.127 266.5);

Tailwind

colors: {
  custom: {
    50: '#686ba3',
    500: '#1d347d',
    950: '#000000',
  },
}

SCSS

$custom: #1d347d;
$custom-light: #686ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d347d",
  "rgb": {
    "r": 29,
    "g": 52,
    "b": 125
  },
  "hsl": {
    "h": 225.625,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.35451,
    "c": 0.12721,
    "h": 266.5
  },
  "luminance": 0.04198
}

Semantic roles & 50–950 ramp

primary

#1D347D

secondary

#B19745

accent

#BE42E5

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1D347D

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

Preview Lab → · Contrast checker → · Palette generator →