#1A3D9D#1A3D9D

#1A3D9D is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.1% C 0.161 H 264.6°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D9D
RGB	rgb(26, 61, 157)
HSL	hsl(224, 72%, 36%)
HSV	hsv(224, 83%, 62%)
CMYK	cmyk(83.4%, 61.1%, 0%, 38.4%)
CIE-LAB	lab(29.39, 25.10, -55.57)
CIE-LCH	lch(29.39, 60.97, 294.31°)
OKLab	oklab(40.06% -0.0151 -0.1607)
OKLCH	oklch(40.06% 0.161 264.6)
XYZ	xyz(8.1784, 5.9904, 32.6170)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D9D #9D7A1A

analogous

#1A7E9D #1A3D9D #381A9D

triadic

#1A3D9D #9D1A3D #3D9D1A

tetradic

#1A3D9D #9D1A7E #9D7A1A #1A9D38

square

#1A3D9D #9D1A7E #9D7A1A #1A9D38

split-complementary

#1A3D9D #9D381A #7E9D1A

monochromatic

#091434 #112968 #1A3D9D #2351D2 #4F77E2

Accessibility & contrast

On white

9.55

#1A3D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1A3D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D9D

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D9D	#FFFFFF	#000000	##FFFFFF
##1A3D9D	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1a3d9d;
/* rgb */ color: rgb(26, 61, 157);
/* oklch */ color: oklch(40.1% 0.161 264.6);

Tailwind

colors: {
  custom: {
    50: '#6f72bb',
    500: '#1a3d9d',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d9d;
$custom-light: #6f72bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d9d",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 157
  },
  "hsl": {
    "h": 223.969,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.4006,
    "c": 0.16144,
    "h": 264.6
  },
  "luminance": 0.05991
}

Semantic roles & 50–950 ramp

primary

#1A3D9D

secondary

#C4A54E

accent

#BE39EE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1A3D9D

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

Preview Lab → · Contrast checker → · Palette generator →