#1D44AD#1D44AD

#1D44AD is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.174 H 264.5°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#1D44AD
RGB	rgb(29, 68, 173)
HSL	hsl(224, 71%, 40%)
HSV	hsv(224, 83%, 68%)
CMYK	cmyk(83.2%, 60.7%, 0%, 32.2%)
CIE-LAB	lab(32.73, 26.91, -59.73)
CIE-LCH	lch(32.73, 65.52, 294.25°)
OKLab	oklab(43% -0.0167 -0.1728)
OKLCH	oklch(43% 0.174 264.5)
XYZ	xyz(10.1140, 7.4114, 40.4245)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D44AD #AD861D

analogous

#1D8CAD #1D44AD #3E1DAD

triadic

#1D44AD #AD1D44 #44AD1D

tetradic

#1D44AD #AD1D8C #AD861D #1DAD3E

square

#1D44AD #AD1D8C #AD861D #1DAD3E

split-complementary

#1D44AD #AD3E1D #8CAD1D

monochromatic

#0B1B44 #142F79 #1D44AD #2C5BDC #6084E4

Accessibility & contrast

On white

8.46

#1D44AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1D44AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D44AD

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D44AD	#FFFFFF	#000000	##FFFFFF
##1D44AD	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B0

Deuteranopia (green-blind)

#0047AB

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d44ad;
/* rgb */ color: rgb(29, 68, 173);
/* oklch */ color: oklch(43.0% 0.174 264.5);

Tailwind

colors: {
  custom: {
    50: '#7377c6',
    500: '#1d44ad',
    950: '#000000',
  },
}

SCSS

$custom: #1d44ad;
$custom-light: #7377c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d44ad",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 173
  },
  "hsl": {
    "h": 223.75,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43002,
    "c": 0.17361,
    "h": 264.5
  },
  "luminance": 0.07413
}

Semantic roles & 50–950 ramp

primary

#1D44AD

secondary

#C9AC5D

accent

#BD3AEE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1D44AD

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

Preview Lab → · Contrast checker → · Palette generator →