#1B44A6#1B44A6

#1B44A6 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.3% C 0.165 H 263.6°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#1B44A6
RGB	rgb(27, 68, 166)
HSL	hsl(222, 72%, 38%)
HSV	hsv(222, 84%, 65%)
CMYK	cmyk(83.7%, 59%, 0%, 34.9%)
CIE-LAB	lab(32.08, 23.99, -56.61)
CIE-LCH	lch(32.08, 61.48, 292.97°)
OKLab	oklab(42.32% -0.0182 -0.1637)
OKLCH	oklch(42.32% 0.165 263.6)
XYZ	xyz(9.3996, 7.1193, 36.9478)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B44A6 #A67D1B

analogous

#1B8AA6 #1B44A6 #371BA6

triadic

#1B44A6 #A61B44 #44A61B

tetradic

#1B44A6 #A61B8A #A67D1B #1BA637

square

#1B44A6 #A61B8A #A67D1B #1BA637

split-complementary

#1B44A6 #A6371B #8AA61B

monochromatic

#0A193D #122E71 #1B44A6 #245ADB #5881E4

Accessibility & contrast

On white

8.66

#1B44A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1B44A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B44A6

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B44A6	#FFFFFF	#000000	##FFFFFF
##1B44A6	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A9

Deuteranopia (green-blind)

#0045A4

Tritanopia (blue-blind)

#005D6E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1b44a6;
/* rgb */ color: rgb(27, 68, 166);
/* oklch */ color: oklch(42.3% 0.165 263.6);

Tailwind

colors: {
  custom: {
    50: '#7177c1',
    500: '#1b44a6',
    950: '#000000',
  },
}

SCSS

$custom: #1b44a6;
$custom-light: #7177c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b44a6",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 166
  },
  "hsl": {
    "h": 222.302,
    "s": 72.021,
    "l": 37.843
  },
  "oklch": {
    "l": 0.42317,
    "c": 0.16468,
    "h": 263.6
  },
  "luminance": 0.0712
}

Semantic roles & 50–950 ramp

primary

#1B44A6

secondary

#C7A656

accent

#B939EF

background

#F7F7FC

surface

#EDEDF8

border

#C8C8D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1B44A6

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

Preview Lab → · Contrast checker → · Palette generator →