#1C44A1#1C44A1

#1C44A1 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.158 H 263.5°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#1C44A1
RGB	rgb(28, 68, 161)
HSL	hsl(222, 70%, 37%)
HSV	hsv(222, 83%, 63%)
CMYK	cmyk(82.6%, 57.8%, 0%, 36.9%)
CIE-LAB	lab(31.70, 22.10, -54.21)
CIE-LCH	lch(31.70, 58.54, 292.17°)
OKLab	oklab(41.92% -0.0179 -0.1566)
OKLCH	oklch(41.92% 0.158 263.5)
XYZ	xyz(8.9767, 6.9532, 34.5803)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C44A1 #A1791C

analogous

#1C87A1 #1C44A1 #371CA1

triadic

#1C44A1 #A11C44 #44A11C

tetradic

#1C44A1 #A11C87 #A1791C #1CA137

square

#1C44A1 #A11C87 #A1791C #1CA137

split-complementary

#1C44A1 #A1371C #87A11C

monochromatic

#0A1839 #132E6D #1C44A1 #255AD5 #5680E2

Accessibility & contrast

On white

8.78

#1C44A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1C44A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C44A1

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C44A1	#FFFFFF	#000000	##FFFFFF
##1C44A1	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A4

Deuteranopia (green-blind)

#00459F

Tritanopia (blue-blind)

#005B6B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c44a1;
/* rgb */ color: rgb(28, 68, 161);
/* oklch */ color: oklch(41.9% 0.158 263.5);

Tailwind

colors: {
  custom: {
    50: '#7077be',
    500: '#1c44a1',
    950: '#000000',
  },
}

SCSS

$custom: #1c44a1;
$custom-light: #7077be;
$custom-dark: #000000;

JSON

{
  "hex": "#1c44a1",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 161
  },
  "hsl": {
    "h": 221.955,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.41915,
    "c": 0.15764,
    "h": 263.5
  },
  "luminance": 0.06954
}

Semantic roles & 50–950 ramp

primary

#1C44A1

secondary

#C5A354

accent

#B73BED

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C44A1

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

Preview Lab → · Contrast checker → · Palette generator →