#1B1472#1B1472

#1B1472 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.5% C 0.151 H 274.4°. Best body text is #FFFFFF at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#1B1472
RGB	rgb(27, 20, 114)
HSL	hsl(244, 70%, 26%)
HSV	hsv(244, 82%, 45%)
CMYK	cmyk(76.3%, 82.5%, 0%, 55.3%)
CIE-LAB	lab(15.21, 35.51, -51.94)
CIE-LCH	lch(15.21, 62.91, 304.36°)
OKLab	oklab(28.46% 0.0115 -0.1502)
OKLCH	oklch(28.46% 0.151 274.4)
XYZ	xyz(3.7384, 1.9479, 16.0953)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1472 #6B7214

analogous

#143C72 #1B1472 #4A1472

triadic

#1B1472 #721B14 #14721B

tetradic

#1B1472 #72143C #6B7214 #14724A

square

#1B1472 #72143C #6B7214 #14724A

split-complementary

#1B1472 #724A14 #3C7214

monochromatic

#06051A #0F0B3E #1B1472 #271DA6 #3527D9

Accessibility & contrast

On white

15.11

#1B1472 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1B1472 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1472

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1472	#FFFFFF	#000000	##FFFFFF
##1B1472	1.00	15.11	1.39	15.11
#FFFFFF	15.11	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A75

Deuteranopia (green-blind)

#002270

Tritanopia (blue-blind)

#003143

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1b1472;
/* rgb */ color: rgb(27, 20, 114);
/* oklch */ color: oklch(28.5% 0.151 274.4);

Tailwind

colors: {
  custom: {
    50: '#68549c',
    500: '#1b1472',
    950: '#000000',
  },
}

SCSS

$custom: #1b1472;
$custom-light: #68549c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1472",
  "rgb": {
    "r": 27,
    "g": 20,
    "b": 114
  },
  "hsl": {
    "h": 244.468,
    "s": 70.149,
    "l": 26.275
  },
  "oklch": {
    "l": 0.28463,
    "c": 0.15066,
    "h": 274.4
  },
  "luminance": 0.01948
}

Semantic roles & 50–950 ramp

primary

#1B1472

secondary

#A0A839

accent

#ED3BE0

background

#F6F4F9

surface

#ECE8F2

border

#C7C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1B1472

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

Preview Lab → · Contrast checker → · Palette generator →