#1D3886#1D3886

#1D3886 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.1% C 0.135 H 265.6°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D3886
RGB	rgb(29, 56, 134)
HSL	hsl(225, 64%, 32%)
HSV	hsv(225, 78%, 53%)
CMYK	cmyk(78.4%, 58.2%, 0%, 47.5%)
CIE-LAB	lab(26.19, 19.68, -46.63)
CIE-LCH	lch(26.19, 50.62, 292.88°)
OKLab	oklab(37.09% -0.0103 -0.1345)
OKLCH	oklch(37.09% 0.135 265.6)
XYZ	xyz(6.2224, 4.8101, 23.1501)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3886 #866B1D

analogous

#1D6D86 #1D3886 #361D86

triadic

#1D3886 #861D38 #38861D

tetradic

#1D3886 #861D6D #866B1D #1D8636

square

#1D3886 #861D6D #866B1D #1D8636

split-complementary

#1D3886 #86361D #6D861D

monochromatic

#070E21 #122354 #1D3886 #284DB8 #466CD7

Accessibility & contrast

On white

10.70

#1D3886 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1D3886 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3886

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3886	#FFFFFF	#000000	##FFFFFF
##1D3886	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004389

Deuteranopia (green-blind)

#003984

Tritanopia (blue-blind)

#004B59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1d3886;
/* rgb */ color: rgb(29, 56, 134);
/* oklch */ color: oklch(37.1% 0.135 265.6);

Tailwind

colors: {
  custom: {
    50: '#6a6eaa',
    500: '#1d3886',
    950: '#000000',
  },
}

SCSS

$custom: #1d3886;
$custom-light: #6a6eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3886",
  "rgb": {
    "r": 29,
    "g": 56,
    "b": 134
  },
  "hsl": {
    "h": 224.571,
    "s": 64.417,
    "l": 31.961
  },
  "oklch": {
    "l": 0.3709,
    "c": 0.13494,
    "h": 265.6
  },
  "luminance": 0.04811
}

Semantic roles & 50–950 ramp

primary

#1D3886

secondary

#B99B46

accent

#BC40E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1D3886

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

Preview Lab → · Contrast checker → · Palette generator →