#1B4096#1B4096

#1B4096 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.1% C 0.148 H 263.5°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#1B4096
RGB	rgb(27, 64, 150)
HSL	hsl(222, 69%, 35%)
HSV	hsv(222, 82%, 59%)
CMYK	cmyk(82%, 57.3%, 0%, 41.2%)
CIE-LAB	lab(29.67, 20.34, -50.85)
CIE-LCH	lch(29.67, 54.77, 291.80°)
OKLab	oklab(40.1% -0.0166 -0.1468)
OKLCH	oklch(40.1% 0.148 263.5)
XYZ	xyz(7.7884, 6.1009, 29.6154)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4096 #96711B

analogous

#1B7E96 #1B4096 #331B96

triadic

#1B4096 #961B40 #40961B

tetradic

#1B4096 #961B7E #96711B #1B9633

square

#1B4096 #961B7E #96711B #1B9633

split-complementary

#1B4096 #96331B #7E961B

monochromatic

#08142E #122A62 #1B4096 #2456CA #4D79DF

Accessibility & contrast

On white

9.46

#1B4096 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1B4096 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4096

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4096	#FFFFFF	#000000	##FFFFFF
##1B4096	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C99

Deuteranopia (green-blind)

#004094

Tritanopia (blue-blind)

#005564

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4096;
/* rgb */ color: rgb(27, 64, 150);
/* oklch */ color: oklch(40.1% 0.148 263.5);

Tailwind

colors: {
  custom: {
    50: '#6d74b6',
    500: '#1b4096',
    950: '#000000',
  },
}

SCSS

$custom: #1b4096;
$custom-light: #6d74b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4096",
  "rgb": {
    "r": 27,
    "g": 64,
    "b": 150
  },
  "hsl": {
    "h": 221.951,
    "s": 69.492,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40095,
    "c": 0.14777,
    "h": 263.5
  },
  "luminance": 0.06102
}

Semantic roles & 50–950 ramp

primary

#1B4096

secondary

#C19E4C

accent

#B73BEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4096

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

Preview Lab → · Contrast checker → · Palette generator →