#1D3994#1D3994

#1D3994 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.5% C 0.153 H 266.1°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#1D3994
RGB	rgb(29, 57, 148)
HSL	hsl(226, 67%, 35%)
HSV	hsv(226, 80%, 58%)
CMYK	cmyk(80.4%, 61.5%, 0%, 42%)
CIE-LAB	lab(27.64, 24.56, -52.92)
CIE-LCH	lch(27.64, 58.34, 294.89°)
OKLab	oklab(38.55% -0.0105 -0.153)
OKLCH	oklch(38.55% 0.153 266.1)
XYZ	xyz(7.3132, 5.3247, 28.6536)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3994 #94781D

analogous

#1D7594 #1D3994 #3C1D94

triadic

#1D3994 #941D39 #39941D

tetradic

#1D3994 #941D75 #94781D #1D943C

square

#1D3994 #941D75 #94781D #1D943C

split-complementary

#1D3994 #943C1D #75941D

monochromatic

#09122E #132561 #1D3994 #274DC7 #4F70DC

Accessibility & contrast

On white

10.17

#1D3994 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1D3994 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3994

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3994	#FFFFFF	#000000	##FFFFFF
##1D3994	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004797

Deuteranopia (green-blind)

#003C92

Tritanopia (blue-blind)

#005061

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1d3994;
/* rgb */ color: rgb(29, 57, 148);
/* oklch */ color: oklch(38.5% 0.153 266.1);

Tailwind

colors: {
  custom: {
    50: '#6e6fb4',
    500: '#1d3994',
    950: '#000000',
  },
}

SCSS

$custom: #1d3994;
$custom-light: #6e6fb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3994",
  "rgb": {
    "r": 29,
    "g": 57,
    "b": 148
  },
  "hsl": {
    "h": 225.882,
    "s": 67.232,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38546,
    "c": 0.15336,
    "h": 266.1
  },
  "luminance": 0.05326
}

Semantic roles & 50–950 ramp

primary

#1D3994

secondary

#BFA44E

accent

#C23EEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D3994

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

Preview Lab → · Contrast checker → · Palette generator →