#1A4C99#1A4C99

#1A4C99 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 42.9% C 0.137 H 259.2°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#1A4C99
RGB	rgb(26, 76, 153)
HSL	hsl(216, 71%, 35%)
HSV	hsv(216, 83%, 60%)
CMYK	cmyk(83%, 50.3%, 0%, 40%)
CIE-LAB	lab(33.32, 13.24, -46.75)
CIE-LCH	lch(33.32, 48.59, 285.81°)
OKLab	oklab(42.94% -0.0257 -0.1345)
OKLCH	oklch(42.94% 0.137 259.2)
XYZ	xyz(8.7581, 7.6873, 31.1530)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4C99 #99671A

analogous

#1A8B99 #1A4C99 #271A99

triadic

#1A4C99 #991A4C #4C991A

tetradic

#1A4C99 #991A8B #99671A #1A9927

square

#1A4C99 #991A8B #99671A #1A9927

split-complementary

#1A4C99 #99271A #8B991A

monochromatic

#081830 #113265 #1A4C99 #2366CD #4D87E1

Accessibility & contrast

On white

8.28

#1A4C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1A4C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4C99

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4C99	#FFFFFF	#000000	##FFFFFF
##1A4C99	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D549C

Deuteranopia (green-blind)

#004997

Tritanopia (blue-blind)

#005F6B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1a4c99;
/* rgb */ color: rgb(26, 76, 153);
/* oklch */ color: oklch(42.9% 0.137 259.2);

Tailwind

colors: {
  custom: {
    50: '#6d7db8',
    500: '#1a4c99',
    950: '#000000',
  },
}

SCSS

$custom: #1a4c99;
$custom-light: #6d7db8;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4c99",
  "rgb": {
    "r": 26,
    "g": 76,
    "b": 153
  },
  "hsl": {
    "h": 216.378,
    "s": 70.95,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42941,
    "c": 0.13697,
    "h": 259.2
  },
  "luminance": 0.07688
}

Semantic roles & 50–950 ramp

primary

#1A4C99

secondary

#C3944C

accent

#A73AEE

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1A4C99

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

Preview Lab → · Contrast checker → · Palette generator →