#1B4494#1B4494

#1B4494 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.8% C 0.140 H 261.9°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#1B4494
RGB	rgb(27, 68, 148)
HSL	hsl(220, 69%, 34%)
HSV	hsv(220, 82%, 58%)
CMYK	cmyk(81.8%, 54.1%, 0%, 42%)
CIE-LAB	lab(30.65, 16.78, -48.03)
CIE-LCH	lch(30.65, 50.87, 289.26°)
OKLab	oklab(40.79% -0.0197 -0.1385)
OKLCH	oklch(40.79% 0.14 261.9)
XYZ	xyz(7.8625, 6.5044, 28.8523)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4494 #946B1B

analogous

#1B8194 #1B4494 #2E1B94

triadic

#1B4494 #941B44 #44941B

tetradic

#1B4494 #941B81 #946B1B #1B942E

square

#1B4494 #941B81 #946B1B #1B942E

split-complementary

#1B4494 #942E1B #81941B

monochromatic

#08142C #122C60 #1B4494 #245CC8 #4B7DDE

Accessibility & contrast

On white

9.13

#1B4494 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1B4494 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4494

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4494	#FFFFFF	#000000	##FFFFFF
##1B4494	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064E97

Deuteranopia (green-blind)

#004392

Tritanopia (blue-blind)

#005865

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b4494;
/* rgb */ color: rgb(27, 68, 148);
/* oklch */ color: oklch(40.8% 0.140 261.9);

Tailwind

colors: {
  custom: {
    50: '#6c77b4',
    500: '#1b4494',
    950: '#000000',
  },
}

SCSS

$custom: #1b4494;
$custom-light: #6c77b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4494",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 148
  },
  "hsl": {
    "h": 219.669,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40792,
    "c": 0.13985,
    "h": 261.9
  },
  "luminance": 0.06505
}

Semantic roles & 50–950 ramp

primary

#1B4494

secondary

#C0984B

accent

#B03CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4494

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

Preview Lab → · Contrast checker → · Palette generator →