#1B4996#1B4996

#1B4996 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.1% C 0.136 H 260.2°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#1B4996
RGB	rgb(27, 73, 150)
HSL	hsl(218, 69%, 35%)
HSV	hsv(218, 82%, 59%)
CMYK	cmyk(82%, 51.3%, 0%, 41.2%)
CIE-LAB	lab(32.26, 14.16, -46.65)
CIE-LCH	lch(32.26, 48.75, 286.89°)
OKLab	oklab(42.06% -0.0232 -0.1343)
OKLCH	oklch(42.06% 0.136 260.2)
XYZ	xyz(8.3376, 7.1991, 29.7984)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4996 #96681B

analogous

#1B8796 #1B4996 #2A1B96

triadic

#1B4996 #961B49 #49961B

tetradic

#1B4996 #961B87 #96681B #1B962A

square

#1B4996 #961B87 #96681B #1B962A

split-complementary

#1B4996 #962A1B #87961B

monochromatic

#08172E #123062 #1B4996 #2462CA #4D83DF

Accessibility & contrast

On white

8.61

#1B4996 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1B4996 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4996

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4996	#FFFFFF	#000000	##FFFFFF
##1B4996	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185299

Deuteranopia (green-blind)

#004794

Tritanopia (blue-blind)

#005C68

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b4996;
/* rgb */ color: rgb(27, 73, 150);
/* oklch */ color: oklch(42.1% 0.136 260.2);

Tailwind

colors: {
  custom: {
    50: '#6d7bb5',
    500: '#1b4996',
    950: '#000000',
  },
}

SCSS

$custom: #1b4996;
$custom-light: #6d7bb5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4996",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 150
  },
  "hsl": {
    "h": 217.561,
    "s": 69.492,
    "l": 34.706
  },
  "oklch": {
    "l": 0.42063,
    "c": 0.13629,
    "h": 260.2
  },
  "luminance": 0.072
}

Semantic roles & 50–950 ramp

primary

#1B4996

secondary

#C1954C

accent

#AA3BEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1B4996

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

Preview Lab → · Contrast checker → · Palette generator →