#1D4491#1D4491

#1D4491 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.6% C 0.135 H 262.1°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#1D4491
RGB	rgb(29, 68, 145)
HSL	hsl(220, 67%, 34%)
HSV	hsv(220, 80%, 57%)
CMYK	cmyk(80%, 53.1%, 0%, 43.1%)
CIE-LAB	lab(30.49, 15.78, -46.44)
CIE-LCH	lch(30.49, 49.05, 288.77°)
OKLab	oklab(40.62% -0.0186 -0.1338)
OKLCH	oklch(40.62% 0.135 262.1)
XYZ	xyz(7.6828, 6.4389, 27.6205)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4491 #916A1D

analogous

#1D7E91 #1D4491 #301D91

triadic

#1D4491 #911D44 #44911D

tetradic

#1D4491 #911D7E #916A1D #1D9130

square

#1D4491 #911D7E #916A1D #1D9130

split-complementary

#1D4491 #91301D #7E911D

monochromatic

#09142B #132C5E #1D4491 #275CC4 #4D7DDB

Accessibility & contrast

On white

9.18

#1D4491 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1D4491 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4491

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4491	#FFFFFF	#000000	##FFFFFF
##1D4491	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4D94

Deuteranopia (green-blind)

#00438F

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4491;
/* rgb */ color: rgb(29, 68, 145);
/* oklch */ color: oklch(40.6% 0.135 262.1);

Tailwind

colors: {
  custom: {
    50: '#6c77b2',
    500: '#1d4491',
    950: '#000000',
  },
}

SCSS

$custom: #1d4491;
$custom-light: #6c77b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4491",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 145
  },
  "hsl": {
    "h": 219.828,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.4062,
    "c": 0.13506,
    "h": 262.1
  },
  "luminance": 0.0644
}

Semantic roles & 50–950 ramp

primary

#1D4491

secondary

#BE984C

accent

#B03EEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4491

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

Preview Lab → · Contrast checker → · Palette generator →