#1B44AE#1B44AE

#1B44AE is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.175 H 264.1°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#1B44AE
RGB	rgb(27, 68, 174)
HSL	hsl(223, 73%, 39%)
HSV	hsv(223, 84%, 68%)
CMYK	cmyk(84.5%, 60.9%, 0%, 31.8%)
CIE-LAB	lab(32.75, 27.14, -60.30)
CIE-LCH	lch(32.75, 66.12, 294.24°)
OKLab	oklab(43.03% -0.0179 -0.1745)
OKLCH	oklch(43.03% 0.175 264.1)
XYZ	xyz(10.1564, 7.4220, 40.9335)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B44AE #AE851B

analogous

#1B8EAE #1B44AE #3B1BAE

triadic

#1B44AE #AE1B44 #44AE1B

tetradic

#1B44AE #AE1B8E #AE851B #1BAE3B

square

#1B44AE #AE1B8E #AE851B #1BAE3B

split-complementary

#1B44AE #AE3B1B #8EAE1B

monochromatic

#0B1B44 #132F79 #1B44AE #285BDE #5D84E6

Accessibility & contrast

On white

8.45

#1B44AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1B44AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B44AE

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B44AE	#FFFFFF	#000000	##FFFFFF
##1B44AE	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B2

Deuteranopia (green-blind)

#0046AC

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b44ae;
/* rgb */ color: rgb(27, 68, 174);
/* oklch */ color: oklch(43.0% 0.175 264.1);

Tailwind

colors: {
  custom: {
    50: '#7377c7',
    500: '#1b44ae',
    950: '#000000',
  },
}

SCSS

$custom: #1b44ae;
$custom-light: #7377c7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b44ae",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 174
  },
  "hsl": {
    "h": 223.265,
    "s": 73.134,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43029,
    "c": 0.17541,
    "h": 264.1
  },
  "luminance": 0.07423
}

Semantic roles & 50–950 ramp

primary

#1B44AE

secondary

#CAAB5B

accent

#BD38F0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1B44AE

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

Preview Lab → · Contrast checker → · Palette generator →