#1D3486#1D3486

#1D3486 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.140 H 267.0°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#1D3486
RGB	rgb(29, 52, 134)
HSL	hsl(227, 64%, 32%)
HSV	hsv(227, 78%, 53%)
CMYK	cmyk(78.4%, 61.2%, 0%, 47.5%)
CIE-LAB	lab(25.07, 22.47, -48.45)
CIE-LCH	lch(25.07, 53.41, 294.87°)
OKLab	oklab(36.25% -0.0073 -0.14)
OKLCH	oklch(36.25% 0.14 267)
XYZ	xyz(6.0363, 4.4378, 23.0881)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3486 #866F1D

analogous

#1D6986 #1D3486 #3B1D86

triadic

#1D3486 #861D34 #34861D

tetradic

#1D3486 #861D69 #866F1D #1D863B

square

#1D3486 #861D69 #866F1D #1D863B

split-complementary

#1D3486 #863B1D #69861D

monochromatic

#070D21 #122054 #1D3486 #2848B8 #4666D7

Accessibility & contrast

On white

11.13

#1D3486 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1D3486 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3486

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3486	#FFFFFF	#000000	##FFFFFF
##1D3486	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004089

Deuteranopia (green-blind)

#003784

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d3486;
/* rgb */ color: rgb(29, 52, 134);
/* oklch */ color: oklch(36.3% 0.140 267.0);

Tailwind

colors: {
  custom: {
    50: '#6a6baa',
    500: '#1d3486',
    950: '#000000',
  },
}

SCSS

$custom: #1d3486;
$custom-light: #6a6baa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3486",
  "rgb": {
    "r": 29,
    "g": 52,
    "b": 134
  },
  "hsl": {
    "h": 226.857,
    "s": 64.417,
    "l": 31.961
  },
  "oklch": {
    "l": 0.36253,
    "c": 0.14015,
    "h": 267
  },
  "luminance": 0.04438
}

Semantic roles & 50–950 ramp

primary

#1D3486

secondary

#B9A046

accent

#C340E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1D3486

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

Preview Lab → · Contrast checker → · Palette generator →