#1A3285#1A3285

#1A3285 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.6% C 0.142 H 266.5°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#1A3285
RGB	rgb(26, 50, 133)
HSL	hsl(227, 67%, 31%)
HSV	hsv(227, 80%, 52%)
CMYK	cmyk(80.5%, 62.4%, 0%, 47.8%)
CIE-LAB	lab(24.30, 23.12, -49.09)
CIE-LCH	lch(24.30, 54.26, 295.22°)
OKLab	oklab(35.62% -0.0086 -0.1419)
OKLCH	oklch(35.62% 0.142 266.5)
XYZ	xyz(5.7988, 4.1936, 22.6896)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3285 #856D1A

analogous

#1A6785 #1A3285 #371A85

triadic

#1A3285 #851A32 #32851A

tetradic

#1A3285 #851A67 #856D1A #1A8537

square

#1A3285 #851A67 #856D1A #1A8537

split-complementary

#1A3285 #85371A #67851A

monochromatic

#060C1F #101F52 #1A3285 #2445B8 #4062DA

Accessibility & contrast

On white

11.42

#1A3285 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1A3285 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3285

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3285	#FFFFFF	#000000	##FFFFFF
##1A3285	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F88

Deuteranopia (green-blind)

#003583

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a3285;
/* rgb */ color: rgb(26, 50, 133);
/* oklch */ color: oklch(35.6% 0.142 266.5);

Tailwind

colors: {
  custom: {
    50: '#6969a9',
    500: '#1a3285',
    950: '#000000',
  },
}

SCSS

$custom: #1a3285;
$custom-light: #6969a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3285",
  "rgb": {
    "r": 26,
    "g": 50,
    "b": 133
  },
  "hsl": {
    "h": 226.542,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35619,
    "c": 0.14216,
    "h": 266.5
  },
  "luminance": 0.04194
}

Semantic roles & 50–950 ramp

primary

#1A3285

secondary

#B89E42

accent

#C33EEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1A3285

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

Preview Lab → · Contrast checker → · Palette generator →