#1A4399#1A4399

#1A4399 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.0% C 0.148 H 262.6°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#1A4399
RGB	rgb(26, 67, 153)
HSL	hsl(221, 71%, 35%)
HSV	hsv(221, 83%, 60%)
CMYK	cmyk(83%, 56.2%, 0%, 40%)
CIE-LAB	lab(30.72, 19.39, -50.97)
CIE-LCH	lch(30.72, 54.53, 290.83°)
OKLab	oklab(40.96% -0.0191 -0.1471)
OKLCH	oklch(40.96% 0.148 262.6)
XYZ	xyz(8.1809, 6.5328, 30.9606)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4399 #99701A

analogous

#1A8299 #1A4399 #301A99

triadic

#1A4399 #991A43 #43991A

tetradic

#1A4399 #991A82 #99701A #1A9930

square

#1A4399 #991A82 #99701A #1A9930

split-complementary

#1A4399 #99301A #82991A

monochromatic

#081530 #112C65 #1A4399 #235ACD #4D7CE1

Accessibility & contrast

On white

9.10

#1A4399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1A4399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4399

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4399	#FFFFFF	#000000	##FFFFFF
##1A4399	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9C

Deuteranopia (green-blind)

#004397

Tritanopia (blue-blind)

#005867

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1a4399;
/* rgb */ color: rgb(26, 67, 153);
/* oklch */ color: oklch(41.0% 0.148 262.6);

Tailwind

colors: {
  custom: {
    50: '#6d76b8',
    500: '#1a4399',
    950: '#000000',
  },
}

SCSS

$custom: #1a4399;
$custom-light: #6d76b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4399",
  "rgb": {
    "r": 26,
    "g": 67,
    "b": 153
  },
  "hsl": {
    "h": 220.63,
    "s": 70.95,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40956,
    "c": 0.14837,
    "h": 262.6
  },
  "luminance": 0.06534
}

Semantic roles & 50–950 ramp

primary

#1A4399

secondary

#C39C4C

accent

#B43AEE

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1A4399

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

Preview Lab → · Contrast checker → · Palette generator →