#1D1768#1D1768

#1D1768 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.134 H 276.5°. Best body text is #FFFFFF at 15.28:1 contrast (WCAG AA passes).

Color values

HEX	#1D1768
RGB	rgb(29, 23, 104)
HSL	hsl(244, 64%, 25%)
HSV	hsv(244, 78%, 41%)
CMYK	cmyk(72.1%, 77.9%, 0%, 59.2%)
CIE-LAB	lab(14.81, 30.51, -46.07)
CIE-LCH	lch(14.81, 55.26, 303.51°)
OKLab	oklab(27.87% 0.0152 -0.1331)
OKLCH	oklch(27.87% 0.134 276.5)
XYZ	xyz(3.3110, 1.8732, 13.2811)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1768 #626817

analogous

#173A68 #1D1768 #451768

triadic

#1D1768 #681D17 #17681D

tetradic

#1D1768 #68173A #626817 #176845

square

#1D1768 #68173A #626817 #176845

split-complementary

#1D1768 #684517 #3A6817

monochromatic

#070619 #0F0C36 #1D1768 #2B229A #392DCC

Accessibility & contrast

On white

15.28

#1D1768 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1D1768 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1768

15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1768	#FFFFFF	#000000	##FFFFFF
##1D1768	1.00	15.28	1.37	15.28
#FFFFFF	15.28	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296A

Deuteranopia (green-blind)

#002267

Tritanopia (blue-blind)

#002E3E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1d1768;
/* rgb */ color: rgb(29, 23, 104);
/* oklch */ color: oklch(27.9% 0.134 276.5);

Tailwind

colors: {
  custom: {
    50: '#655594',
    500: '#1d1768',
    950: '#000000',
  },
}

SCSS

$custom: #1d1768;
$custom-light: #655594;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1768",
  "rgb": {
    "r": 29,
    "g": 23,
    "b": 104
  },
  "hsl": {
    "h": 244.444,
    "s": 63.78,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27873,
    "c": 0.13399,
    "h": 276.5
  },
  "luminance": 0.01873
}

Semantic roles & 50–950 ramp

primary

#1D1768

secondary

#979E3D

accent

#E741DB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #1D1768

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

Preview Lab → · Contrast checker → · Palette generator →