#1B4596#1B4596

#1B4596 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.2% C 0.141 H 261.8°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#1B4596
RGB	rgb(27, 69, 150)
HSL	hsl(220, 69%, 35%)
HSV	hsv(220, 82%, 59%)
CMYK	cmyk(82%, 54%, 0%, 41.2%)
CIE-LAB	lab(31.09, 16.90, -48.53)
CIE-LCH	lch(31.09, 51.39, 289.20°)
OKLab	oklab(41.18% -0.0202 -0.1399)
OKLCH	oklch(41.18% 0.141 261.8)
XYZ	xyz(8.0832, 6.6903, 29.7136)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4596 #966C1B

analogous

#1B8396 #1B4596 #2E1B96

triadic

#1B4596 #961B45 #45961B

tetradic

#1B4596 #961B83 #966C1B #1B962E

square

#1B4596 #961B83 #966C1B #1B962E

split-complementary

#1B4596 #962E1B #83961B

monochromatic

#08152E #122D62 #1B4596 #245DCA #4D7EDF

Accessibility & contrast

On white

8.98

#1B4596 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1B4596 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4596

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4596	#FFFFFF	#000000	##FFFFFF
##1B4596	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064F99

Deuteranopia (green-blind)

#004494

Tritanopia (blue-blind)

#005966

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b4596;
/* rgb */ color: rgb(27, 69, 150);
/* oklch */ color: oklch(41.2% 0.141 261.8);

Tailwind

colors: {
  custom: {
    50: '#6d78b5',
    500: '#1b4596',
    950: '#000000',
  },
}

SCSS

$custom: #1b4596;
$custom-light: #6d78b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4596",
  "rgb": {
    "r": 27,
    "g": 69,
    "b": 150
  },
  "hsl": {
    "h": 219.512,
    "s": 69.492,
    "l": 34.706
  },
  "oklch": {
    "l": 0.41175,
    "c": 0.14138,
    "h": 261.8
  },
  "luminance": 0.06691
}

Semantic roles & 50–950 ramp

primary

#1B4596

secondary

#C1994C

accent

#B03BEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4596

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

Preview Lab → · Contrast checker → · Palette generator →