#1D3992#1D3992

#1D3992 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.4% C 0.151 H 266.0°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#1D3992
RGB	rgb(29, 57, 146)
HSL	hsl(226, 67%, 34%)
HSV	hsv(226, 80%, 57%)
CMYK	cmyk(80.1%, 61%, 0%, 42.7%)
CIE-LAB	lab(27.47, 23.77, -51.98)
CIE-LCH	lch(27.47, 57.15, 294.57°)
OKLab	oklab(38.36% -0.0105 -0.1502)
OKLCH	oklch(38.36% 0.151 266)
XYZ	xyz(7.1563, 5.2620, 27.8271)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3992 #92761D

analogous

#1D7492 #1D3992 #3C1D92

triadic

#1D3992 #921D39 #39921D

tetradic

#1D3992 #921D74 #92761D #1D923C

square

#1D3992 #921D74 #92761D #1D923C

split-complementary

#1D3992 #923C1D #74921D

monochromatic

#09112C #13255F #1D3992 #274DC5 #4E70DC

Accessibility & contrast

On white

10.23

#1D3992 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1D3992 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3992

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3992	#FFFFFF	#000000	##FFFFFF
##1D3992	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004695

Deuteranopia (green-blind)

#003C90

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1d3992;
/* rgb */ color: rgb(29, 57, 146);
/* oklch */ color: oklch(38.4% 0.151 266.0);

Tailwind

colors: {
  custom: {
    50: '#6d6fb3',
    500: '#1d3992',
    950: '#000000',
  },
}

SCSS

$custom: #1d3992;
$custom-light: #6d6fb3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3992",
  "rgb": {
    "r": 29,
    "g": 57,
    "b": 146
  },
  "hsl": {
    "h": 225.641,
    "s": 66.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38364,
    "c": 0.15059,
    "h": 266
  },
  "luminance": 0.05263
}

Semantic roles & 50–950 ramp

primary

#1D3992

secondary

#BEA34C

accent

#C13EEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D3992

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

Preview Lab → · Contrast checker → · Palette generator →