#1B4492#1B4492

#1B4492 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.6% C 0.137 H 261.7°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#1B4492
RGB	rgb(27, 68, 146)
HSL	hsl(219, 69%, 34%)
HSV	hsv(219, 82%, 57%)
CMYK	cmyk(81.5%, 53.4%, 0%, 42.7%)
CIE-LAB	lab(30.50, 15.97, -47.05)
CIE-LCH	lch(30.50, 49.68, 288.75°)
OKLab	oklab(40.63% -0.0199 -0.1356)
OKLCH	oklch(40.63% 0.137 261.7)
XYZ	xyz(7.7056, 6.4417, 28.0258)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4492 #92691B

analogous

#1B8092 #1B4492 #2E1B92

triadic

#1B4492 #921B44 #44921B

tetradic

#1B4492 #921B80 #92691B #1B922E

square

#1B4492 #921B80 #92691B #1B922E

split-complementary

#1B4492 #922E1B #80921B

monochromatic

#08142B #112C5E #1B4492 #255CC6 #4A7DDE

Accessibility & contrast

On white

9.18

#1B4492 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1B4492 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4492

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4492	#FFFFFF	#000000	##FFFFFF
##1B4492	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4E95

Deuteranopia (green-blind)

#004390

Tritanopia (blue-blind)

#005764

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b4492;
/* rgb */ color: rgb(27, 68, 146);
/* oklch */ color: oklch(40.6% 0.137 261.7);

Tailwind

colors: {
  custom: {
    50: '#6c77b3',
    500: '#1b4492',
    950: '#000000',
  },
}

SCSS

$custom: #1b4492;
$custom-light: #6c77b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4492",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 146
  },
  "hsl": {
    "h": 219.328,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.4063,
    "c": 0.13703,
    "h": 261.7
  },
  "luminance": 0.06443
}

Semantic roles & 50–950 ramp

primary

#1B4492

secondary

#BF9749

accent

#AF3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4492

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

Preview Lab → · Contrast checker → · Palette generator →