#1C44A8#1C44A8

#1C44A8 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.167 H 264.0°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#1C44A8
RGB	rgb(28, 68, 168)
HSL	hsl(223, 71%, 38%)
HSV	hsv(223, 83%, 66%)
CMYK	cmyk(83.3%, 59.5%, 0%, 34.1%)
CIE-LAB	lab(32.27, 24.87, -57.49)
CIE-LCH	lch(32.27, 62.63, 293.39°)
OKLab	oklab(42.53% -0.0175 -0.1662)
OKLCH	oklch(42.53% 0.167 264)
XYZ	xyz(9.6114, 7.2071, 37.9227)
Luminance	0.0721 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C44A8 #A8801C

analogous

#1C8AA8 #1C44A8 #3A1CA8

triadic

#1C44A8 #A81C44 #44A81C

tetradic

#1C44A8 #A81C8A #A8801C #1CA83A

square

#1C44A8 #A81C8A #A8801C #1CA83A

split-complementary

#1C44A8 #A83A1C #8AA81C

monochromatic

#0B1A3F #132F74 #1C44A8 #265ADB #5B82E4

Accessibility & contrast

On white

8.60

#1C44A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1C44A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C44A8

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C44A8	#FFFFFF	#000000	##FFFFFF
##1C44A8	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	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: #1c44a8;
/* rgb */ color: rgb(28, 68, 168);
/* oklch */ color: oklch(42.5% 0.167 264.0);

Tailwind

colors: {
  custom: {
    50: '#7277c3',
    500: '#1c44a8',
    950: '#000000',
  },
}

SCSS

$custom: #1c44a8;
$custom-light: #7277c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c44a8",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 168
  },
  "hsl": {
    "h": 222.857,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.42525,
    "c": 0.16715,
    "h": 264
  },
  "luminance": 0.07208
}

Semantic roles & 50–950 ramp

primary

#1C44A8

secondary

#C7A858

accent

#BB3AEE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090813

muted

#7B7B82

Preview Lab

Preview with #1C44A8

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

Preview Lab → · Contrast checker → · Palette generator →