#1B49B4#1B49B4

#1B49B4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.177 H 263.3°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B49B4
RGB	rgb(27, 73, 180)
HSL	hsl(222, 74%, 41%)
HSV	hsv(222, 85%, 71%)
CMYK	cmyk(85%, 59.4%, 0%, 29.4%)
CIE-LAB	lab(34.58, 26.14, -60.86)
CIE-LCH	lch(34.58, 66.24, 293.25°)
OKLab	oklab(44.56% -0.0205 -0.1761)
OKLCH	oklch(44.56% 0.177 263.3)
XYZ	xyz(11.0698, 8.2920, 44.1882)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B49B4 #B4861B

analogous

#1B95B4 #1B49B4 #3A1BB4

triadic

#1B49B4 #B41B49 #49B41B

tetradic

#1B49B4 #B41B95 #B4861B #1BB43A

square

#1B49B4 #B41B95 #B4861B #1BB43A

split-complementary

#1B49B4 #B43A1B #95B41B

monochromatic

#0B1E4A #13337F #1B49B4 #2D62DF #628AE7

Accessibility & contrast

On white

7.90

#1B49B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1B49B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B49B4

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B49B4	#FFFFFF	#000000	##FFFFFF
##1B49B4	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b49b4;
/* rgb */ color: rgb(27, 73, 180);
/* oklch */ color: oklch(44.6% 0.177 263.3);

Tailwind

colors: {
  custom: {
    50: '#747bcb',
    500: '#1b49b4',
    950: '#000000',
  },
}

SCSS

$custom: #1b49b4;
$custom-light: #747bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b49b4",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 180
  },
  "hsl": {
    "h": 221.961,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.44557,
    "c": 0.17725,
    "h": 263.3
  },
  "luminance": 0.08293
}

Semantic roles & 50–950 ramp

primary

#1B49B4

secondary

#CCAB5F

accent

#B937F1

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1B49B4

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

Preview Lab → · Contrast checker → · Palette generator →