#1B4192#1B4192

#1B4192 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.0% C 0.141 H 262.8°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#1B4192
RGB	rgb(27, 65, 146)
HSL	hsl(221, 69%, 34%)
HSV	hsv(221, 82%, 57%)
CMYK	cmyk(81.5%, 55.5%, 0%, 42.7%)
CIE-LAB	lab(29.63, 18.04, -48.45)
CIE-LCH	lch(29.63, 51.70, 290.42°)
OKLab	oklab(39.97% -0.0176 -0.1398)
OKLCH	oklch(39.97% 0.141 262.8)
XYZ	xyz(7.5287, 6.0880, 27.9669)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4192 #926C1B

analogous

#1B7D92 #1B4192 #311B92

triadic

#1B4192 #921B41 #41921B

tetradic

#1B4192 #921B7D #926C1B #1B9231

square

#1B4192 #921B7D #926C1B #1B9231

split-complementary

#1B4192 #92311B #7D921B

monochromatic

#08132B #112A5E #1B4192 #2558C6 #4A79DE

Accessibility & contrast

On white

9.47

#1B4192 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1B4192 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4192

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4192	#FFFFFF	#000000	##FFFFFF
##1B4192	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C95

Deuteranopia (green-blind)

#004190

Tritanopia (blue-blind)

#005563

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4192;
/* rgb */ color: rgb(27, 65, 146);
/* oklch */ color: oklch(40.0% 0.141 262.8);

Tailwind

colors: {
  custom: {
    50: '#6c75b3',
    500: '#1b4192',
    950: '#000000',
  },
}

SCSS

$custom: #1b4192;
$custom-light: #6c75b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4192",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 146
  },
  "hsl": {
    "h": 220.84,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39971,
    "c": 0.14088,
    "h": 262.8
  },
  "luminance": 0.06089
}

Semantic roles & 50–950 ramp

primary

#1B4192

secondary

#BF9A49

accent

#B43CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4192

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

Preview Lab → · Contrast checker → · Palette generator →