#1D1772#1D1772

#1D1772 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.147 H 275.0°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#1D1772
RGB	rgb(29, 23, 114)
HSL	hsl(244, 66%, 27%)
HSV	hsv(244, 80%, 45%)
CMYK	cmyk(74.6%, 79.8%, 0%, 55.3%)
CIE-LAB	lab(15.95, 34.01, -50.72)
CIE-LCH	lch(15.95, 61.07, 303.85°)
OKLab	oklab(29.02% 0.0129 -0.1467)
OKLCH	oklch(29.02% 0.147 275)
XYZ	xyz(3.8494, 2.0885, 16.1166)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1772 #6C7217

analogous

#173F72 #1D1772 #4B1772

triadic

#1D1772 #721D17 #17721D

tetradic

#1D1772 #72173F #6C7217 #17724B

square

#1D1772 #72173F #6C7217 #17724B

split-complementary

#1D1772 #724B17 #3F7217

monochromatic

#060519 #100D3F #1D1772 #2A21A5 #392ED5

Accessibility & contrast

On white

14.81

#1D1772 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1D1772 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1772

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1772	#FFFFFF	#000000	##FFFFFF
##1D1772	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C75

Deuteranopia (green-blind)

#002370

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1d1772;
/* rgb */ color: rgb(29, 23, 114);
/* oklch */ color: oklch(29.0% 0.147 275.0);

Tailwind

colors: {
  custom: {
    50: '#68569c',
    500: '#1d1772',
    950: '#000000',
  },
}

SCSS

$custom: #1d1772;
$custom-light: #68569c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1772",
  "rgb": {
    "r": 29,
    "g": 23,
    "b": 114
  },
  "hsl": {
    "h": 243.956,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29016,
    "c": 0.14722,
    "h": 275
  },
  "luminance": 0.02089
}

Semantic roles & 50–950 ramp

primary

#1D1772

secondary

#A1A83D

accent

#E93EDE

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D1772

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

Preview Lab → · Contrast checker → · Palette generator →