#1A3286#1A3286

#1A3286 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.144 H 266.6°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#1A3286
RGB	rgb(26, 50, 134)
HSL	hsl(227, 68%, 31%)
HSV	hsv(227, 81%, 53%)
CMYK	cmyk(80.6%, 62.7%, 0%, 47.5%)
CIE-LAB	lab(24.39, 23.52, -49.57)
CIE-LCH	lch(24.39, 54.87, 295.39°)
OKLab	oklab(35.71% -0.0086 -0.1433)
OKLCH	oklch(35.71% 0.144 266.6)
XYZ	xyz(5.8682, 4.2214, 23.0552)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3286 #866E1A

analogous

#1A6886 #1A3286 #381A86

triadic

#1A3286 #861A32 #32861A

tetradic

#1A3286 #861A68 #866E1A #1A8638

square

#1A3286 #861A68 #866E1A #1A8638

split-complementary

#1A3286 #86381A #68861A

monochromatic

#060C1F #101F53 #1A3286 #2445B9 #4063DA

Accessibility & contrast

On white

11.39

#1A3286 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1A3286 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3286

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3286	#FFFFFF	#000000	##FFFFFF
##1A3286	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F89

Deuteranopia (green-blind)

#003584

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a3286;
/* rgb */ color: rgb(26, 50, 134);
/* oklch */ color: oklch(35.7% 0.144 266.6);

Tailwind

colors: {
  custom: {
    50: '#6a69aa',
    500: '#1a3286',
    950: '#000000',
  },
}

SCSS

$custom: #1a3286;
$custom-light: #6a69aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3286",
  "rgb": {
    "r": 26,
    "g": 50,
    "b": 134
  },
  "hsl": {
    "h": 226.667,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35712,
    "c": 0.14357,
    "h": 266.6
  },
  "luminance": 0.04222
}

Semantic roles & 50–950 ramp

primary

#1A3286

secondary

#B99F42

accent

#C43DEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1A3286

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

Preview Lab → · Contrast checker → · Palette generator →