#1D168B#1D168B

#1D168B is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.179 H 272.2°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#1D168B
RGB	rgb(29, 22, 139)
HSL	hsl(244, 73%, 32%)
HSV	hsv(244, 84%, 55%)
CMYK	cmyk(79.1%, 84.2%, 0%, 45.5%)
CIE-LAB	lab(18.79, 42.86, -61.91)
CIE-LCH	lch(18.79, 75.30, 304.69°)
OKLab	oklab(31.89% 0.0069 -0.1791)
OKLCH	oklch(31.89% 0.179 272.2)
XYZ	xyz(5.4522, 2.6985, 24.6546)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D168B #848B16

analogous

#164A8B #1D168B #58168B

triadic

#1D168B #8B1D16 #168B1D

tetradic

#1D168B #8B164A #848B16 #168B58

square

#1D168B #8B164A #848B16 #168B58

split-complementary

#1D168B #8B5816 #4A8B16

monochromatic

#070521 #120E56 #1D168B #281EC0 #453BE0

Accessibility & contrast

On white

13.64

#1D168B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D168B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D168B

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D168B	#FFFFFF	#000000	##FFFFFF
##1D168B	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338E

Deuteranopia (green-blind)

#002889

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d168b;
/* rgb */ color: rgb(29, 22, 139);
/* oklch */ color: oklch(31.9% 0.179 272.2);

Tailwind

colors: {
  custom: {
    50: '#6f57ae',
    500: '#1d168b',
    950: '#000000',
  },
}

SCSS

$custom: #1d168b;
$custom-light: #6f57ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1d168b",
  "rgb": {
    "r": 29,
    "g": 22,
    "b": 139
  },
  "hsl": {
    "h": 243.59,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31885,
    "c": 0.17926,
    "h": 272.2
  },
  "luminance": 0.02699
}

Semantic roles & 50–950 ramp

primary

#1D168B

secondary

#B7BF3E

accent

#EF38E4

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090310

muted

#7B787F

Preview Lab

Preview with #1D168B

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

Preview Lab → · Contrast checker → · Palette generator →