#1B4894#1B4894

#1B4894 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.7% C 0.135 H 260.3°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B4894
RGB	rgb(27, 72, 148)
HSL	hsl(218, 69%, 34%)
HSV	hsv(218, 82%, 58%)
CMYK	cmyk(81.8%, 51.4%, 0%, 42%)
CIE-LAB	lab(31.82, 14.03, -46.14)
CIE-LCH	lch(31.82, 48.23, 286.92°)
OKLab	oklab(41.68% -0.0227 -0.1328)
OKLCH	oklch(41.68% 0.135 260.3)
XYZ	xyz(8.1127, 7.0049, 28.9357)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4894 #94671B

analogous

#1B8594 #1B4894 #2B1B94

triadic

#1B4894 #941B48 #48941B

tetradic

#1B4894 #941B85 #94671B #1B942B

square

#1B4894 #941B85 #94671B #1B942B

split-complementary

#1B4894 #942B1B #85941B

monochromatic

#08162C #122F60 #1B4894 #2461C8 #4B82DE

Accessibility & contrast

On white

8.75

#1B4894 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1B4894 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4894

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4894	#FFFFFF	#000000	##FFFFFF
##1B4894	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185197

Deuteranopia (green-blind)

#004692

Tritanopia (blue-blind)

#005A67

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1b4894;
/* rgb */ color: rgb(27, 72, 148);
/* oklch */ color: oklch(41.7% 0.135 260.3);

Tailwind

colors: {
  custom: {
    50: '#6c7ab4',
    500: '#1b4894',
    950: '#000000',
  },
}

SCSS

$custom: #1b4894;
$custom-light: #6c7ab4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4894",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 148
  },
  "hsl": {
    "h": 217.686,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.41682,
    "c": 0.13475,
    "h": 260.3
  },
  "luminance": 0.07006
}

Semantic roles & 50–950 ramp

primary

#1B4894

secondary

#C0944B

accent

#AA3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1B4894

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

Preview Lab → · Contrast checker → · Palette generator →