#1A3D86#1A3D86

#1A3D86 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.129 H 262.6°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D86
RGB	rgb(26, 61, 134)
HSL	hsl(221, 68%, 31%)
HSV	hsv(221, 81%, 53%)
CMYK	cmyk(80.6%, 54.5%, 0%, 47.5%)
CIE-LAB	lab(27.51, 15.83, -44.49)
CIE-LCH	lch(27.51, 47.22, 289.58°)
OKLab	oklab(38.06% -0.0165 -0.1282)
OKLCH	oklch(38.06% 0.129 262.6)
XYZ	xyz(6.3963, 5.2776, 23.2312)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D86 #86631A

analogous

#1A7386 #1A3D86 #2D1A86

triadic

#1A3D86 #861A3D #3D861A

tetradic

#1A3D86 #861A73 #86631A #1A862D

square

#1A3D86 #861A73 #86631A #1A862D

split-complementary

#1A3D86 #862D1A #73861A

monochromatic

#060E1F #102653 #1A3D86 #2454B9 #4072DA

Accessibility & contrast

On white

10.22

#1A3D86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1A3D86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D86

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D86	#FFFFFF	#000000	##FFFFFF
##1A3D86	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064689

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1a3d86;
/* rgb */ color: rgb(26, 61, 134);
/* oklch */ color: oklch(38.1% 0.129 262.6);

Tailwind

colors: {
  custom: {
    50: '#6971aa',
    500: '#1a3d86',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d86;
$custom-light: #6971aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d86",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 134
  },
  "hsl": {
    "h": 220.556,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.38059,
    "c": 0.12926,
    "h": 262.6
  },
  "luminance": 0.05278
}

Semantic roles & 50–950 ramp

primary

#1A3D86

secondary

#B99342

accent

#B23DEA

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1A3D86

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

Preview Lab → · Contrast checker → · Palette generator →