#1B4392#1B4392

#1B4392 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.138 H 262.0°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#1B4392
RGB	rgb(27, 67, 146)
HSL	hsl(220, 69%, 34%)
HSV	hsv(220, 82%, 57%)
CMYK	cmyk(81.5%, 54.1%, 0%, 42.7%)
CIE-LAB	lab(30.21, 16.66, -47.52)
CIE-LCH	lch(30.21, 50.35, 289.32°)
OKLab	oklab(40.41% -0.0191 -0.137)
OKLCH	oklch(40.41% 0.138 262)
XYZ	xyz(7.6456, 6.3217, 28.0058)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4392 #926A1B

analogous

#1B7F92 #1B4392 #2F1B92

triadic

#1B4392 #921B43 #43921B

tetradic

#1B4392 #921B7F #926A1B #1B922F

square

#1B4392 #921B7F #926A1B #1B922F

split-complementary

#1B4392 #922F1B #7F921B

monochromatic

#08142B #112B5E #1B4392 #255BC6 #4A7CDE

Accessibility & contrast

On white

9.27

#1B4392 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1B4392 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4392

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4392	#FFFFFF	#000000	##FFFFFF
##1B4392	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064D95

Deuteranopia (green-blind)

#004290

Tritanopia (blue-blind)

#005664

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4392;
/* rgb */ color: rgb(27, 67, 146);
/* oklch */ color: oklch(40.4% 0.138 262.0);

Tailwind

colors: {
  custom: {
    50: '#6c76b3',
    500: '#1b4392',
    950: '#000000',
  },
}

SCSS

$custom: #1b4392;
$custom-light: #6c76b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4392",
  "rgb": {
    "r": 27,
    "g": 67,
    "b": 146
  },
  "hsl": {
    "h": 219.832,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40409,
    "c": 0.13831,
    "h": 262
  },
  "luminance": 0.06323
}

Semantic roles & 50–950 ramp

primary

#1B4392

secondary

#BF9849

accent

#B13CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4392

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

Preview Lab → · Contrast checker → · Palette generator →