#1D3C86#1D3C86

#1D3C86 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.130 H 264.0°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#1D3C86
RGB	rgb(29, 60, 134)
HSL	hsl(222, 64%, 32%)
HSV	hsv(222, 78%, 53%)
CMYK	cmyk(78.4%, 55.2%, 0%, 47.5%)
CIE-LAB	lab(27.33, 16.88, -44.77)
CIE-LCH	lch(27.33, 47.85, 290.66°)
OKLab	oklab(37.96% -0.0134 -0.129)
OKLCH	oklch(37.96% 0.13 264)
XYZ	xyz(6.4241, 5.2134, 23.2174)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3C86 #86671D

analogous

#1D7186 #1D3C86 #331D86

triadic

#1D3C86 #861D3C #3C861D

tetradic

#1D3C86 #861D71 #86671D #1D8633

square

#1D3C86 #861D71 #86671D #1D8633

split-complementary

#1D3C86 #86331D #71861D

monochromatic

#070F21 #122554 #1D3C86 #2853B8 #4671D7

Accessibility & contrast

On white

10.28

#1D3C86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1D3C86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3C86

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3C86	#FFFFFF	#000000	##FFFFFF
##1D3C86	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024689

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1d3c86;
/* rgb */ color: rgb(29, 60, 134);
/* oklch */ color: oklch(38.0% 0.130 264.0);

Tailwind

colors: {
  custom: {
    50: '#6a71aa',
    500: '#1d3c86',
    950: '#000000',
  },
}

SCSS

$custom: #1d3c86;
$custom-light: #6a71aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3c86",
  "rgb": {
    "r": 29,
    "g": 60,
    "b": 134
  },
  "hsl": {
    "h": 222.286,
    "s": 64.417,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37957,
    "c": 0.1297,
    "h": 264
  },
  "luminance": 0.05214
}

Semantic roles & 50–950 ramp

primary

#1D3C86

secondary

#B99746

accent

#B640E7

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1D3C86

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

Preview Lab → · Contrast checker → · Palette generator →