#1D1773#1D1773

#1D1773 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.1% C 0.149 H 274.9°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#1D1773
RGB	rgb(29, 23, 115)
HSL	hsl(244, 67%, 27%)
HSV	hsv(244, 80%, 45%)
CMYK	cmyk(74.8%, 80%, 0%, 54.9%)
CIE-LAB	lab(16.06, 34.36, -51.17)
CIE-LCH	lch(16.06, 61.64, 303.88°)
OKLab	oklab(29.13% 0.0126 -0.148)
OKLCH	oklch(29.13% 0.149 274.9)
XYZ	xyz(3.9066, 2.1114, 16.4180)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1773 #6D7317

analogous

#173F73 #1D1773 #4B1773

triadic

#1D1773 #731D17 #17731D

tetradic

#1D1773 #73173F #6D7317 #17734B

square

#1D1773 #73173F #6D7317 #17734B

split-complementary

#1D1773 #734B17 #3F7317

monochromatic

#06051A #100D40 #1D1773 #2A21A6 #3A2FD5

Accessibility & contrast

On white

14.76

#1D1773 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1D1773 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1773

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1773	#FFFFFF	#000000	##FFFFFF
##1D1773	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C76

Deuteranopia (green-blind)

#002471

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1d1773;
/* rgb */ color: rgb(29, 23, 115);
/* oklch */ color: oklch(29.1% 0.149 274.9);

Tailwind

colors: {
  custom: {
    50: '#68569c',
    500: '#1d1773',
    950: '#000000',
  },
}

SCSS

$custom: #1d1773;
$custom-light: #68569c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1773",
  "rgb": {
    "r": 29,
    "g": 23,
    "b": 115
  },
  "hsl": {
    "h": 243.913,
    "s": 66.667,
    "l": 27.059
  },
  "oklch": {
    "l": 0.29132,
    "c": 0.14853,
    "h": 274.9
  },
  "luminance": 0.02112
}

Semantic roles & 50–950 ramp

primary

#1D1773

secondary

#A2A93D

accent

#EA3EDE

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D1773

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

Preview Lab → · Contrast checker → · Palette generator →