#1A4A99#1A4A99

#1A4A99 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.139 H 260.0°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#1A4A99
RGB	rgb(26, 74, 153)
HSL	hsl(217, 71%, 35%)
HSV	hsv(217, 83%, 60%)
CMYK	cmyk(83%, 51.6%, 0%, 40%)
CIE-LAB	lab(32.74, 14.60, -47.70)
CIE-LCH	lch(32.74, 49.88, 287.02°)
OKLab	oklab(42.49% -0.0242 -0.1374)
OKLCH	oklch(42.49% 0.139 260)
XYZ	xyz(8.6225, 7.4160, 31.1078)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4A99 #99691A

analogous

#1A8999 #1A4A99 #2A1A99

triadic

#1A4A99 #991A4A #4A991A

tetradic

#1A4A99 #991A89 #99691A #1A992A

square

#1A4A99 #991A89 #99691A #1A992A

split-complementary

#1A4A99 #992A1A #89991A

monochromatic

#081730 #113165 #1A4A99 #2363CD #4D85E1

Accessibility & contrast

On white

8.46

#1A4A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1A4A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4A99

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4A99	#FFFFFF	#000000	##FFFFFF
##1A4A99	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17539C

Deuteranopia (green-blind)

#004897

Tritanopia (blue-blind)

#005D6A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1a4a99;
/* rgb */ color: rgb(26, 74, 153);
/* oklch */ color: oklch(42.5% 0.139 260.0);

Tailwind

colors: {
  custom: {
    50: '#6d7bb8',
    500: '#1a4a99',
    950: '#000000',
  },
}

SCSS

$custom: #1a4a99;
$custom-light: #6d7bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4a99",
  "rgb": {
    "r": 26,
    "g": 74,
    "b": 153
  },
  "hsl": {
    "h": 217.323,
    "s": 70.95,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42491,
    "c": 0.13948,
    "h": 260
  },
  "luminance": 0.07417
}

Semantic roles & 50–950 ramp

primary

#1A4A99

secondary

#C3964C

accent

#AA3AEE

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1A4A99

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

Preview Lab → · Contrast checker → · Palette generator →