#1B44A7#1B44A7

#1B44A7 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.4% C 0.166 H 263.7°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#1B44A7
RGB	rgb(27, 68, 167)
HSL	hsl(222, 72%, 38%)
HSV	hsv(222, 84%, 65%)
CMYK	cmyk(83.8%, 59.3%, 0%, 34.5%)
CIE-LAB	lab(32.16, 24.39, -57.07)
CIE-LCH	lch(32.16, 62.07, 293.14°)
OKLab	oklab(42.41% -0.0182 -0.165)
OKLCH	oklch(42.41% 0.166 263.7)
XYZ	xyz(9.4917, 7.1561, 37.4327)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B44A7 #A77E1B

analogous

#1B8AA7 #1B44A7 #381BA7

triadic

#1B44A7 #A71B44 #44A71B

tetradic

#1B44A7 #A71B8A #A77E1B #1BA738

square

#1B44A7 #A71B8A #A77E1B #1BA738

split-complementary

#1B44A7 #A7381B #8AA71B

monochromatic

#0A193E #122F72 #1B44A7 #245ADC #5881E4

Accessibility & contrast

On white

8.64

#1B44A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1B44A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B44A7

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B44A7	#FFFFFF	#000000	##FFFFFF
##1B44A7	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AA

Deuteranopia (green-blind)

#0045A5

Tritanopia (blue-blind)

#005D6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b44a7;
/* rgb */ color: rgb(27, 68, 167);
/* oklch */ color: oklch(42.4% 0.166 263.7);

Tailwind

colors: {
  custom: {
    50: '#7177c2',
    500: '#1b44a7',
    950: '#000000',
  },
}

SCSS

$custom: #1b44a7;
$custom-light: #7177c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b44a7",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 167
  },
  "hsl": {
    "h": 222.429,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.42405,
    "c": 0.16604,
    "h": 263.7
  },
  "luminance": 0.07157
}

Semantic roles & 50–950 ramp

primary

#1B44A7

secondary

#C8A656

accent

#BA39EF

background

#F7F7FC

surface

#EDEDF8

border

#C8C8D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1B44A7

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

Preview Lab → · Contrast checker → · Palette generator →