#1A3186#1A3186

#1A3186 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.5% C 0.145 H 266.8°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#1A3186
RGB	rgb(26, 49, 134)
HSL	hsl(227, 68%, 31%)
HSV	hsv(227, 81%, 53%)
CMYK	cmyk(80.6%, 63.4%, 0%, 47.5%)
CIE-LAB	lab(24.12, 24.22, -50.01)
CIE-LCH	lch(24.12, 55.57, 295.84°)
OKLab	oklab(35.51% -0.008 -0.1446)
OKLCH	oklch(35.51% 0.145 266.8)
XYZ	xyz(5.8259, 4.1368, 23.0411)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3186 #866F1A

analogous

#1A6786 #1A3186 #391A86

triadic

#1A3186 #861A31 #31861A

tetradic

#1A3186 #861A67 #866F1A #1A8639

square

#1A3186 #861A67 #866F1A #1A8639

split-complementary

#1A3186 #86391A #67861A

monochromatic

#060C1F #101E53 #1A3186 #2444B9 #4061DA

Accessibility & contrast

On white

11.49

#1A3186 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1A3186 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3186

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3186	#FFFFFF	#000000	##FFFFFF
##1A3186	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F89

Deuteranopia (green-blind)

#003484

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1a3186;
/* rgb */ color: rgb(26, 49, 134);
/* oklch */ color: oklch(35.5% 0.145 266.8);

Tailwind

colors: {
  custom: {
    50: '#6a68aa',
    500: '#1a3186',
    950: '#000000',
  },
}

SCSS

$custom: #1a3186;
$custom-light: #6a68aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3186",
  "rgb": {
    "r": 26,
    "g": 49,
    "b": 134
  },
  "hsl": {
    "h": 227.222,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3551,
    "c": 0.14485,
    "h": 266.8
  },
  "luminance": 0.04137
}

Semantic roles & 50–950 ramp

primary

#1A3186

secondary

#B9A042

accent

#C63DEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1A3186

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

Preview Lab → · Contrast checker → · Palette generator →