#1D3286#1D3286

#1D3286 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.8% C 0.143 H 267.6°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#1D3286
RGB	rgb(29, 50, 134)
HSL	hsl(228, 64%, 32%)
HSV	hsv(228, 78%, 53%)
CMYK	cmyk(78.4%, 62.7%, 0%, 47.5%)
CIE-LAB	lab(24.52, 23.85, -49.35)
CIE-LCH	lch(24.52, 54.81, 295.80°)
OKLab	oklab(35.85% -0.0059 -0.1426)
OKLCH	oklch(35.85% 0.143 267.6)
XYZ	xyz(5.9489, 4.2630, 23.0589)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3286 #86711D

analogous

#1D6786 #1D3286 #3D1D86

triadic

#1D3286 #861D32 #32861D

tetradic

#1D3286 #861D67 #86711D #1D863D

square

#1D3286 #861D67 #86711D #1D863D

split-complementary

#1D3286 #863D1D #67861D

monochromatic

#070C21 #121F54 #1D3286 #2845B8 #4663D7

Accessibility & contrast

On white

11.33

#1D3286 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1D3286 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3286

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3286	#FFFFFF	#000000	##FFFFFF
##1D3286	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	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: #1d3286;
/* rgb */ color: rgb(29, 50, 134);
/* oklch */ color: oklch(35.8% 0.143 267.6);

Tailwind

colors: {
  custom: {
    50: '#6b69aa',
    500: '#1d3286',
    950: '#000000',
  },
}

SCSS

$custom: #1d3286;
$custom-light: #6b69aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3286",
  "rgb": {
    "r": 29,
    "g": 50,
    "b": 134
  },
  "hsl": {
    "h": 228,
    "s": 64.417,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35847,
    "c": 0.14272,
    "h": 267.6
  },
  "luminance": 0.04264
}

Semantic roles & 50–950 ramp

primary

#1D3286

secondary

#B9A246

accent

#C640E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1D3286

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

Preview Lab → · Contrast checker → · Palette generator →