#1D1769#1D1769

#1D1769 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.0% C 0.135 H 276.4°. Best body text is #FFFFFF at 15.23:1 contrast (WCAG AA passes).

Color values

HEX	#1D1769
RGB	rgb(29, 23, 105)
HSL	hsl(244, 64%, 25%)
HSV	hsv(244, 78%, 41%)
CMYK	cmyk(72.4%, 78.1%, 0%, 58.8%)
CIE-LAB	lab(14.92, 30.86, -46.54)
CIE-LCH	lch(14.92, 55.85, 303.55°)
OKLab	oklab(27.99% 0.015 -0.1345)
OKLCH	oklch(27.99% 0.135 276.4)
XYZ	xyz(3.3621, 1.8936, 13.5502)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1769 #636917

analogous

#173A69 #1D1769 #461769

triadic

#1D1769 #691D17 #17691D

tetradic

#1D1769 #69173A #636917 #176946

square

#1D1769 #69173A #636917 #176946

split-complementary

#1D1769 #694617 #3A6917

monochromatic

#070519 #0F0C37 #1D1769 #2B229B #392DCD

Accessibility & contrast

On white

15.23

#1D1769 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1D1769 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1769

15.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1769	#FFFFFF	#000000	##FFFFFF
##1D1769	1.00	15.23	1.38	15.23
#FFFFFF	15.23	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296B

Deuteranopia (green-blind)

#002268

Tritanopia (blue-blind)

#002E3E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1d1769;
/* rgb */ color: rgb(29, 23, 105);
/* oklch */ color: oklch(28.0% 0.135 276.4);

Tailwind

colors: {
  custom: {
    50: '#665595',
    500: '#1d1769',
    950: '#000000',
  },
}

SCSS

$custom: #1d1769;
$custom-light: #665595;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1769",
  "rgb": {
    "r": 29,
    "g": 23,
    "b": 105
  },
  "hsl": {
    "h": 244.39,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27986,
    "c": 0.13534,
    "h": 276.4
  },
  "luminance": 0.01894
}

Semantic roles & 50–950 ramp

primary

#1D1769

secondary

#989F3D

accent

#E741DB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #1D1769

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

Preview Lab → · Contrast checker → · Palette generator →