#1D1683#1D1683

#1D1683 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.9% C 0.170 H 273.0°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#1D1683
RGB	rgb(29, 22, 131)
HSL	hsl(244, 71%, 30%)
HSV	hsv(244, 83%, 51%)
CMYK	cmyk(77.9%, 83.2%, 0%, 48.6%)
CIE-LAB	lab(17.80, 40.27, -58.53)
CIE-LCH	lch(17.80, 71.05, 304.53°)
OKLab	oklab(30.91% 0.009 -0.1693)
OKLCH	oklch(30.91% 0.17 273)
XYZ	xyz(4.8890, 2.4732, 21.6880)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1683 #7C8316

analogous

#164683 #1D1683 #531683

triadic

#1D1683 #831D16 #16831D

tetradic

#1D1683 #831646 #7C8316 #168353

square

#1D1683 #831646 #7C8316 #168353

split-complementary

#1D1683 #835316 #468316

monochromatic

#06041A #110D4F #1D1683 #291FB7 #4136DD

Accessibility & contrast

On white

14.05

#1D1683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1D1683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1683

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1683	#FFFFFF	#000000	##FFFFFF
##1D1683	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003186

Deuteranopia (green-blind)

#002681

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1d1683;
/* rgb */ color: rgb(29, 22, 131);
/* oklch */ color: oklch(30.9% 0.170 273.0);

Tailwind

colors: {
  custom: {
    50: '#6d56a8',
    500: '#1d1683',
    950: '#000000',
  },
}

SCSS

$custom: #1d1683;
$custom-light: #6d56a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1683",
  "rgb": {
    "r": 29,
    "g": 22,
    "b": 131
  },
  "hsl": {
    "h": 243.853,
    "s": 71.242,
    "l": 30
  },
  "oklch": {
    "l": 0.30907,
    "c": 0.16958,
    "h": 273
  },
  "luminance": 0.02474
}

Semantic roles & 50–950 ramp

primary

#1D1683

secondary

#B0B73D

accent

#EE3AE2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1D1683

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

Preview Lab → · Contrast checker → · Palette generator →