#1B49BB#1B49BB

#1B49BB is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.2% C 0.186 H 263.8°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#1B49BB
RGB	rgb(27, 73, 187)
HSL	hsl(223, 75%, 42%)
HSV	hsv(223, 86%, 73%)
CMYK	cmyk(85.6%, 61%, 0%, 26.7%)
CIE-LAB	lab(35.17, 28.87, -64.03)
CIE-LCH	lch(35.17, 70.24, 294.27°)
OKLab	oklab(45.18% -0.0203 -0.1853)
OKLCH	oklch(45.18% 0.186 263.8)
XYZ	xyz(11.8010, 8.5845, 48.0391)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B49BB #BB8D1B

analogous

#1B99BB #1B49BB #3D1BBB

triadic

#1B49BB #BB1B49 #49BB1B

tetradic

#1B49BB #BB1B99 #BB8D1B #1BBB3D

square

#1B49BB #BB1B99 #BB8D1B #1BBB3D

split-complementary

#1B49BB #BB3D1B #99BB1B

monochromatic

#0C1F50 #133486 #1B49BB #3264E1 #678DE9

Accessibility & contrast

On white

7.73

#1B49BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1B49BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B49BB

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B49BB	#FFFFFF	#000000	##FFFFFF
##1B49BB	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#004CB9

Tritanopia (blue-blind)

#00677B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1b49bb;
/* rgb */ color: rgb(27, 73, 187);
/* oklch */ color: oklch(45.2% 0.186 263.8);

Tailwind

colors: {
  custom: {
    50: '#767bd0',
    500: '#1b49bb',
    950: '#000000',
  },
}

SCSS

$custom: #1b49bb;
$custom-light: #767bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b49bb",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 187
  },
  "hsl": {
    "h": 222.75,
    "s": 74.766,
    "l": 41.961
  },
  "oklch": {
    "l": 0.45179,
    "c": 0.18646,
    "h": 263.8
  },
  "luminance": 0.08586
}

Semantic roles & 50–950 ramp

primary

#1B49BB

secondary

#CEB063

accent

#BC36F1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0914

muted

#7C7B82

Preview Lab

Preview with #1B49BB

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

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