#1D168D#1D168D

#1D168D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.182 H 272.0°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#1D168D
RGB	rgb(29, 22, 141)
HSL	hsl(244, 73%, 32%)
HSV	hsv(244, 84%, 55%)
CMYK	cmyk(79.4%, 84.4%, 0%, 44.7%)
CIE-LAB	lab(19.05, 43.50, -62.75)
CIE-LCH	lch(19.05, 76.35, 304.73°)
OKLab	oklab(32.13% 0.0064 -0.1815)
OKLCH	oklch(32.13% 0.182 272)
XYZ	xyz(5.5997, 2.7575, 25.4313)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D168D #868D16

analogous

#164B8D #1D168D #58168D

triadic

#1D168D #8D1D16 #168D1D

tetradic

#1D168D #8D164B #868D16 #168D58

square

#1D168D #8D164B #868D16 #168D58

split-complementary

#1D168D #8D5816 #4B8D16

monochromatic

#070523 #120E58 #1D168D #281EC2 #463DE1

Accessibility & contrast

On white

13.53

#1D168D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1D168D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D168D

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D168D	#FFFFFF	#000000	##FFFFFF
##1D168D	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#00288B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d168d;
/* rgb */ color: rgb(29, 22, 141);
/* oklch */ color: oklch(32.1% 0.182 272.0);

Tailwind

colors: {
  custom: {
    50: '#6f57b0',
    500: '#1d168d',
    950: '#000000',
  },
}

SCSS

$custom: #1d168d;
$custom-light: #6f57b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d168d",
  "rgb": {
    "r": 29,
    "g": 22,
    "b": 141
  },
  "hsl": {
    "h": 243.529,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32132,
    "c": 0.18166,
    "h": 272
  },
  "luminance": 0.02758
}

Semantic roles & 50–950 ramp

primary

#1D168D

secondary

#B9C13E

accent

#F038E5

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1D168D

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

Preview Lab → · Contrast checker → · Palette generator →