#1D3E86#1D3E86

#1D3E86 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.127 H 263.2°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D3E86
RGB	rgb(29, 62, 134)
HSL	hsl(221, 64%, 32%)
HSV	hsv(221, 78%, 53%)
CMYK	cmyk(78.4%, 53.7%, 0%, 47.5%)
CIE-LAB	lab(27.92, 15.49, -43.83)
CIE-LCH	lch(27.92, 46.48, 289.47°)
OKLab	oklab(38.4% -0.0151 -0.1262)
OKLCH	oklch(38.4% 0.127 263.2)
XYZ	xyz(6.5309, 5.4270, 23.2529)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3E86 #86651D

analogous

#1D7386 #1D3E86 #311D86

triadic

#1D3E86 #861D3E #3E861D

tetradic

#1D3E86 #861D73 #86651D #1D8631

square

#1D3E86 #861D73 #86651D #1D8631

split-complementary

#1D3E86 #86311D #73861D

monochromatic

#070F21 #122754 #1D3E86 #2855B8 #4674D7

Accessibility & contrast

On white

10.07

#1D3E86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1D3E86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3E86

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3E86	#FFFFFF	#000000	##FFFFFF
##1D3E86	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4789

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d3e86;
/* rgb */ color: rgb(29, 62, 134);
/* oklch */ color: oklch(38.4% 0.127 263.2);

Tailwind

colors: {
  custom: {
    50: '#6a72aa',
    500: '#1d3e86',
    950: '#000000',
  },
}

SCSS

$custom: #1d3e86;
$custom-light: #6a72aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3e86",
  "rgb": {
    "r": 29,
    "g": 62,
    "b": 134
  },
  "hsl": {
    "h": 221.143,
    "s": 64.417,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38399,
    "c": 0.12708,
    "h": 263.2
  },
  "luminance": 0.05428
}

Semantic roles & 50–950 ramp

primary

#1D3E86

secondary

#B99546

accent

#B340E7

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1D3E86

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

Preview Lab → · Contrast checker → · Palette generator →