#1D168A#1D168A

#1D168A is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.178 H 272.3°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#1D168A
RGB	rgb(29, 22, 138)
HSL	hsl(244, 73%, 31%)
HSV	hsv(244, 84%, 54%)
CMYK	cmyk(79%, 84.1%, 0%, 45.9%)
CIE-LAB	lab(18.67, 42.54, -61.49)
CIE-LCH	lch(18.67, 74.78, 304.67°)
OKLab	oklab(31.76% 0.0072 -0.1779)
OKLCH	oklch(31.76% 0.178 272.3)
XYZ	xyz(5.3795, 2.6694, 24.2716)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D168A #838A16

analogous

#16498A #1D168A #57168A

triadic

#1D168A #8A1D16 #168A1D

tetradic

#1D168A #8A1649 #838A16 #168A57

square

#1D168A #8A1649 #838A16 #168A57

split-complementary

#1D168A #8A5716 #498A16

monochromatic

#070520 #120E55 #1D168A #281EBF #453BE0

Accessibility & contrast

On white

13.69

#1D168A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1D168A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D168A

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D168A	#FFFFFF	#000000	##FFFFFF
##1D168A	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338D

Deuteranopia (green-blind)

#002888

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1d168a;
/* rgb */ color: rgb(29, 22, 138);
/* oklch */ color: oklch(31.8% 0.178 272.3);

Tailwind

colors: {
  custom: {
    50: '#6e57ad',
    500: '#1d168a',
    950: '#000000',
  },
}

SCSS

$custom: #1d168a;
$custom-light: #6e57ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d168a",
  "rgb": {
    "r": 29,
    "g": 22,
    "b": 138
  },
  "hsl": {
    "h": 243.621,
    "s": 72.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.31762,
    "c": 0.17806,
    "h": 272.3
  },
  "luminance": 0.0267
}

Semantic roles & 50–950 ramp

primary

#1D168A

secondary

#B6BE3E

accent

#EF39E4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #1D168A

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

Preview Lab → · Contrast checker → · Palette generator →