#1D327F#1D327F

#1D327F is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.2% C 0.133 H 267.4°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#1D327F
RGB	rgb(29, 50, 127)
HSL	hsl(227, 63%, 31%)
HSV	hsv(227, 77%, 50%)
CMYK	cmyk(77.2%, 60.6%, 0%, 50.2%)
CIE-LAB	lab(23.91, 21.07, -45.94)
CIE-LCH	lch(23.91, 50.55, 294.64°)
OKLab	oklab(35.21% -0.006 -0.1326)
OKLCH	oklch(35.21% 0.133 267.4)
XYZ	xyz(5.4767, 4.0741, 20.5723)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D327F #7F6A1D

analogous

#1D637F #1D327F #391D7F

triadic

#1D327F #7F1D32 #327F1D

tetradic

#1D327F #7F1D63 #7F6A1D #1D7F39

square

#1D327F #7F1D63 #7F6A1D #1D7F39

split-complementary

#1D327F #7F391D #637F1D

monochromatic

#060B1B #121E4D #1D327F #2846B1 #4262D4

Accessibility & contrast

On white

11.57

#1D327F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1D327F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D327F

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D327F	#FFFFFF	#000000	##FFFFFF
##1D327F	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E82

Deuteranopia (green-blind)

#00347D

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d327f;
/* rgb */ color: rgb(29, 50, 127);
/* oklch */ color: oklch(35.2% 0.133 267.4);

Tailwind

colors: {
  custom: {
    50: '#6969a5',
    500: '#1d327f',
    950: '#000000',
  },
}

SCSS

$custom: #1d327f;
$custom-light: #6969a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d327f",
  "rgb": {
    "r": 29,
    "g": 50,
    "b": 127
  },
  "hsl": {
    "h": 227.143,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.35205,
    "c": 0.13276,
    "h": 267.4
  },
  "luminance": 0.04075
}

Semantic roles & 50–950 ramp

primary

#1D327F

secondary

#B29B45

accent

#C342E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1D327F

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

Preview Lab → · Contrast checker → · Palette generator →