#1D3696#1D3696

#1D3696 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.160 H 266.9°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#1D3696
RGB	rgb(29, 54, 150)
HSL	hsl(228, 68%, 35%)
HSV	hsv(228, 81%, 59%)
CMYK	cmyk(80.7%, 64%, 0%, 41.2%)
CIE-LAB	lab(27.02, 27.39, -55.16)
CIE-LCH	lch(27.02, 61.59, 296.40°)
OKLab	oklab(38.14% -0.0086 -0.1596)
OKLCH	oklch(38.14% 0.16 266.9)
XYZ	xyz(7.3290, 5.1007, 29.4465)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3696 #967D1D

analogous

#1D7396 #1D3696 #401D96

triadic

#1D3696 #961D36 #36961D

tetradic

#1D3696 #961D73 #967D1D #1D9640

square

#1D3696 #961D73 #967D1D #1D9640

split-complementary

#1D3696 #96401D #73961D

monochromatic

#09112F #132463 #1D3696 #2748C9 #506DDD

Accessibility & contrast

On white

10.39

#1D3696 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#1D3696 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3696

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3696	#FFFFFF	#000000	##FFFFFF
##1D3696	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004699

Deuteranopia (green-blind)

#003A94

Tritanopia (blue-blind)

#004F60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d3696;
/* rgb */ color: rgb(29, 54, 150);
/* oklch */ color: oklch(38.1% 0.160 266.9);

Tailwind

colors: {
  custom: {
    50: '#6f6cb6',
    500: '#1d3696',
    950: '#000000',
  },
}

SCSS

$custom: #1d3696;
$custom-light: #6f6cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3696",
  "rgb": {
    "r": 29,
    "g": 54,
    "b": 150
  },
  "hsl": {
    "h": 227.603,
    "s": 67.598,
    "l": 35.098
  },
  "oklch": {
    "l": 0.3814,
    "c": 0.15984,
    "h": 266.9
  },
  "luminance": 0.05102
}

Semantic roles & 50–950 ramp

primary

#1D3696

secondary

#C0A94F

accent

#C73DEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #1D3696

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

Preview Lab → · Contrast checker → · Palette generator →