#1A3E9E#1A3E9E

#1A3E9E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.162 H 264.4°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E9E
RGB	rgb(26, 62, 158)
HSL	hsl(224, 72%, 36%)
HSV	hsv(224, 84%, 62%)
CMYK	cmyk(83.5%, 60.8%, 0%, 38%)
CIE-LAB	lab(29.74, 24.81, -55.59)
CIE-LCH	lch(29.74, 60.88, 294.06°)
OKLab	oklab(40.35% -0.0156 -0.1608)
OKLCH	oklch(40.35% 0.162 264.4)
XYZ	xyz(8.3180, 6.1325, 33.0864)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E9E #9E7A1A

analogous

#1A809E #1A3E9E #381A9E

triadic

#1A3E9E #9E1A3E #3E9E1A

tetradic

#1A3E9E #9E1A80 #9E7A1A #1A9E38

square

#1A3E9E #9E1A80 #9E7A1A #1A9E38

split-complementary

#1A3E9E #9E381A #809E1A

monochromatic

#091535 #112969 #1A3E9E #2353D3 #5078E2

Accessibility & contrast

On white

9.43

#1A3E9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1A3E9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E9E

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E9E	#FFFFFF	#000000	##FFFFFF
##1A3E9E	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA1

Deuteranopia (green-blind)

#00409C

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1a3e9e;
/* rgb */ color: rgb(26, 62, 158);
/* oklch */ color: oklch(40.4% 0.162 264.4);

Tailwind

colors: {
  custom: {
    50: '#6f72bb',
    500: '#1a3e9e',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e9e;
$custom-light: #6f72bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e9e",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 158
  },
  "hsl": {
    "h": 223.636,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.40352,
    "c": 0.16156,
    "h": 264.4
  },
  "luminance": 0.06133
}

Semantic roles & 50–950 ramp

primary

#1A3E9E

secondary

#C5A54F

accent

#BD39EE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1A3E9E

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

Preview Lab → · Contrast checker → · Palette generator →