#1B4EC2#1B4EC2

#1B4EC2 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.8% C 0.190 H 263.1°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#1B4EC2
RGB	rgb(27, 78, 194)
HSL	hsl(222, 76%, 43%)
HSV	hsv(222, 86%, 76%)
CMYK	cmyk(86.1%, 59.8%, 0%, 23.9%)
CIE-LAB	lab(37.07, 28.28, -65.03)
CIE-LCH	lch(37.07, 70.91, 293.50°)
OKLab	oklab(46.78% -0.0227 -0.1882)
OKLCH	oklch(46.78% 0.19 263.1)
XYZ	xyz(12.9105, 9.5752, 52.1962)
Luminance	0.0958 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4EC2 #C28F1B

analogous

#1BA1C2 #1B4EC2 #3C1BC2

triadic

#1B4EC2 #C21B4E #4EC21B

tetradic

#1B4EC2 #C21BA1 #C28F1B #1BC23C

square

#1B4EC2 #C21BA1 #C28F1B #1BC23C

split-complementary

#1B4EC2 #C23C1B #A1C21B

monochromatic

#0C2357 #14388C #1B4EC2 #376CE3 #6D93EB

Accessibility & contrast

On white

7.20

#1B4EC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#1B4EC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4EC2

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4EC2	#FFFFFF	#000000	##FFFFFF
##1B4EC2	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC6

Deuteranopia (green-blind)

#0050C0

Tritanopia (blue-blind)

#006C80

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1b4ec2;
/* rgb */ color: rgb(27, 78, 194);
/* oklch */ color: oklch(46.8% 0.190 263.1);

Tailwind

colors: {
  custom: {
    50: '#787fd5',
    500: '#1b4ec2',
    950: '#000000',
  },
}

SCSS

$custom: #1b4ec2;
$custom-light: #787fd5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4ec2",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 194
  },
  "hsl": {
    "h": 221.677,
    "s": 75.566,
    "l": 43.333
  },
  "oklch": {
    "l": 0.46779,
    "c": 0.18957,
    "h": 263.1
  },
  "luminance": 0.09577
}

Semantic roles & 50–950 ramp

primary

#1B4EC2

secondary

#D1B168

accent

#B936F2

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #1B4EC2

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

Preview Lab → · Contrast checker → · Palette generator →