#1D44A8#1D44A8

#1D44A8 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.6% C 0.167 H 264.2°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#1D44A8
RGB	rgb(29, 68, 168)
HSL	hsl(223, 71%, 39%)
HSV	hsv(223, 83%, 66%)
CMYK	cmyk(82.7%, 59.5%, 0%, 34.1%)
CIE-LAB	lab(32.31, 24.95, -57.43)
CIE-LCH	lch(32.31, 62.62, 293.49°)
OKLab	oklab(42.56% -0.0168 -0.1661)
OKLCH	oklch(42.56% 0.167 264.2)
XYZ	xyz(9.6392, 7.2214, 37.9240)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D44A8 #A8811D

analogous

#1D89A8 #1D44A8 #3B1DA8

triadic

#1D44A8 #A81D44 #44A81D

tetradic

#1D44A8 #A81D89 #A8811D #1DA83B

square

#1D44A8 #A81D89 #A8811D #1DA83B

split-complementary

#1D44A8 #A83B1D #89A81D

monochromatic

#0B1A40 #142F74 #1D44A8 #285ADA #5C82E3

Accessibility & contrast

On white

8.59

#1D44A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1D44A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D44A8

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D44A8	#FFFFFF	#000000	##FFFFFF
##1D44A8	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AB

Deuteranopia (green-blind)

#0046A6

Tritanopia (blue-blind)

#005D6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d44a8;
/* rgb */ color: rgb(29, 68, 168);
/* oklch */ color: oklch(42.6% 0.167 264.2);

Tailwind

colors: {
  custom: {
    50: '#7277c3',
    500: '#1d44a8',
    950: '#000000',
  },
}

SCSS

$custom: #1d44a8;
$custom-light: #7277c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d44a8",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 168
  },
  "hsl": {
    "h": 223.165,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.42558,
    "c": 0.16691,
    "h": 264.2
  },
  "luminance": 0.07223
}

Semantic roles & 50–950 ramp

primary

#1D44A8

secondary

#C7A85A

accent

#BB3AED

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090813

muted

#7B7B82

Preview Lab

Preview with #1D44A8

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

Preview Lab → · Contrast checker → · Palette generator →