#1D1973#1D1973

#1D1973 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.146 H 274.5°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D1973
RGB	rgb(29, 25, 115)
HSL	hsl(243, 64%, 27%)
HSV	hsv(243, 78%, 45%)
CMYK	cmyk(74.8%, 78.3%, 0%, 54.9%)
CIE-LAB	lab(16.47, 33.19, -50.49)
CIE-LCH	lch(16.47, 60.42, 303.31°)
OKLab	oklab(29.42% 0.0116 -0.146)
OKLCH	oklch(29.42% 0.146 274.5)
XYZ	xyz(3.9478, 2.1939, 16.4317)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1973 #6F7319

analogous

#194273 #1D1973 #4A1973

triadic

#1D1973 #731D19 #19731D

tetradic

#1D1973 #731942 #6F7319 #19734A

square

#1D1973 #731942 #6F7319 #19734A

split-complementary

#1D1973 #734A19 #427319

monochromatic

#060519 #100E41 #1D1973 #2A24A5 #3B34D3

Accessibility & contrast

On white

14.60

#1D1973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1D1973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1973

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1973	#FFFFFF	#000000	##FFFFFF
##1D1973	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D76

Deuteranopia (green-blind)

#002571

Tritanopia (blue-blind)

#003345

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1d1973;
/* rgb */ color: rgb(29, 25, 115);
/* oklch */ color: oklch(29.4% 0.146 274.5);

Tailwind

colors: {
  custom: {
    50: '#68579c',
    500: '#1d1973',
    950: '#000000',
  },
}

SCSS

$custom: #1d1973;
$custom-light: #68579c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1973",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 115
  },
  "hsl": {
    "h": 242.667,
    "s": 64.286,
    "l": 27.451
  },
  "oklch": {
    "l": 0.29422,
    "c": 0.14649,
    "h": 274.5
  },
  "luminance": 0.02194
}

Semantic roles & 50–950 ramp

primary

#1D1973

secondary

#A3A840

accent

#E741E0

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D1973

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

Preview Lab → · Contrast checker → · Palette generator →