#1D3986#1D3986

#1D3986 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.3% C 0.134 H 265.2°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D3986
RGB	rgb(29, 57, 134)
HSL	hsl(224, 64%, 32%)
HSV	hsv(224, 78%, 53%)
CMYK	cmyk(78.4%, 57.5%, 0%, 47.5%)
CIE-LAB	lab(26.47, 18.98, -46.17)
CIE-LCH	lch(26.47, 49.92, 292.35°)
OKLab	oklab(37.3% -0.0111 -0.1332)
OKLCH	oklch(37.3% 0.134 265.2)
XYZ	xyz(6.2714, 4.9080, 23.1665)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3986 #866A1D

analogous

#1D6E86 #1D3986 #361D86

triadic

#1D3986 #861D39 #39861D

tetradic

#1D3986 #861D6E #866A1D #1D8636

square

#1D3986 #861D6E #866A1D #1D8636

split-complementary

#1D3986 #86361D #6E861D

monochromatic

#070E21 #122454 #1D3986 #284EB8 #466DD7

Accessibility & contrast

On white

10.60

#1D3986 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1D3986 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3986

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3986	#FFFFFF	#000000	##FFFFFF
##1D3986	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004489

Deuteranopia (green-blind)

#003A84

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1d3986;
/* rgb */ color: rgb(29, 57, 134);
/* oklch */ color: oklch(37.3% 0.134 265.2);

Tailwind

colors: {
  custom: {
    50: '#6a6eaa',
    500: '#1d3986',
    950: '#000000',
  },
}

SCSS

$custom: #1d3986;
$custom-light: #6a6eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3986",
  "rgb": {
    "r": 29,
    "g": 57,
    "b": 134
  },
  "hsl": {
    "h": 224,
    "s": 64.417,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37304,
    "c": 0.13363,
    "h": 265.2
  },
  "luminance": 0.04909
}

Semantic roles & 50–950 ramp

primary

#1D3986

secondary

#B99A46

accent

#BB40E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1D3986

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

Preview Lab → · Contrast checker → · Palette generator →