#1D44A4#1D44A4

#1D44A4 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.2% C 0.161 H 264.0°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#1D44A4
RGB	rgb(29, 68, 164)
HSL	hsl(223, 70%, 38%)
HSV	hsv(223, 82%, 64%)
CMYK	cmyk(82.3%, 58.5%, 0%, 35.7%)
CIE-LAB	lab(31.98, 23.38, -55.57)
CIE-LCH	lch(31.98, 60.29, 292.82°)
OKLab	oklab(42.21% -0.017 -0.1606)
OKLCH	oklch(42.21% 0.161 264)
XYZ	xyz(9.2723, 7.0747, 35.9916)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D44A4 #A47D1D

analogous

#1D87A4 #1D44A4 #3A1DA4

triadic

#1D44A4 #A41D44 #44A41D

tetradic

#1D44A4 #A41D87 #A47D1D #1DA43A

square

#1D44A4 #A41D87 #A47D1D #1DA43A

split-complementary

#1D44A4 #A43A1D #87A41D

monochromatic

#0B193C #142E70 #1D44A4 #265AD8 #5A81E2

Accessibility & contrast

On white

8.69

#1D44A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1D44A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D44A4

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D44A4	#FFFFFF	#000000	##FFFFFF
##1D44A4	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A7

Deuteranopia (green-blind)

#0045A2

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d44a4;
/* rgb */ color: rgb(29, 68, 164);
/* oklch */ color: oklch(42.2% 0.161 264.0);

Tailwind

colors: {
  custom: {
    50: '#7177c0',
    500: '#1d44a4',
    950: '#000000',
  },
}

SCSS

$custom: #1d44a4;
$custom-light: #7177c0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d44a4",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 164
  },
  "hsl": {
    "h": 222.667,
    "s": 69.948,
    "l": 37.843
  },
  "oklch": {
    "l": 0.42208,
    "c": 0.16149,
    "h": 264
  },
  "luminance": 0.07076
}

Semantic roles & 50–950 ramp

primary

#1D44A4

secondary

#C6A657

accent

#B93BED

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D44A4

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

Preview Lab → · Contrast checker → · Palette generator →