#1B4994#1B4994

#1B4994 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 41.9% C 0.133 H 259.9°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B4994
RGB	rgb(27, 73, 148)
HSL	hsl(217, 69%, 34%)
HSV	hsv(217, 82%, 58%)
CMYK	cmyk(81.8%, 50.7%, 0%, 42%)
CIE-LAB	lab(32.11, 13.35, -45.66)
CIE-LCH	lch(32.11, 47.58, 286.30°)
OKLab	oklab(41.91% -0.0235 -0.1314)
OKLCH	oklch(41.91% 0.133 259.9)
XYZ	xyz(8.1779, 7.1352, 28.9575)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4994 #94661B

analogous

#1B8694 #1B4994 #2A1B94

triadic

#1B4994 #941B49 #49941B

tetradic

#1B4994 #941B86 #94661B #1B942A

square

#1B4994 #941B86 #94661B #1B942A

split-complementary

#1B4994 #942A1B #86941B

monochromatic

#08162C #122F60 #1B4994 #2463C8 #4B83DE

Accessibility & contrast

On white

8.65

#1B4994 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1B4994 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4994

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4994	#FFFFFF	#000000	##FFFFFF
##1B4994	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B5197

Deuteranopia (green-blind)

#004693

Tritanopia (blue-blind)

#005B67

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b4994;
/* rgb */ color: rgb(27, 73, 148);
/* oklch */ color: oklch(41.9% 0.133 259.9);

Tailwind

colors: {
  custom: {
    50: '#6c7bb4',
    500: '#1b4994',
    950: '#000000',
  },
}

SCSS

$custom: #1b4994;
$custom-light: #6c7bb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4994",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 148
  },
  "hsl": {
    "h": 217.19,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.41908,
    "c": 0.13348,
    "h": 259.9
  },
  "luminance": 0.07136
}

Semantic roles & 50–950 ramp

primary

#1B4994

secondary

#C0944B

accent

#A93CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1B4994

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

Preview Lab → · Contrast checker → · Palette generator →