#1B4193#1B4193

#1B4193 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.1% C 0.142 H 262.9°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#1B4193
RGB	rgb(27, 65, 147)
HSL	hsl(221, 69%, 34%)
HSV	hsv(221, 82%, 58%)
CMYK	cmyk(81.6%, 55.8%, 0%, 42.4%)
CIE-LAB	lab(29.71, 18.44, -48.94)
CIE-LCH	lch(29.71, 52.30, 290.65°)
OKLab	oklab(40.06% -0.0176 -0.1412)
OKLCH	oklch(40.06% 0.142 262.9)
XYZ	xyz(7.6069, 6.1193, 28.3783)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4193 #936D1B

analogous

#1B7D93 #1B4193 #311B93

triadic

#1B4193 #931B41 #41931B

tetradic

#1B4193 #931B7D #936D1B #1B9331

square

#1B4193 #931B7D #936D1B #1B9331

split-complementary

#1B4193 #93311B #7D931B

monochromatic

#08132C #122A5F #1B4193 #2458C7 #4B79DE

Accessibility & contrast

On white

9.44

#1B4193 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1B4193 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4193

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4193	#FFFFFF	#000000	##FFFFFF
##1B4193	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C96

Deuteranopia (green-blind)

#004191

Tritanopia (blue-blind)

#005563

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4193;
/* rgb */ color: rgb(27, 65, 147);
/* oklch */ color: oklch(40.1% 0.142 262.9);

Tailwind

colors: {
  custom: {
    50: '#6c75b3',
    500: '#1b4193',
    950: '#000000',
  },
}

SCSS

$custom: #1b4193;
$custom-light: #6c75b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4193",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 147
  },
  "hsl": {
    "h": 221,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40055,
    "c": 0.14229,
    "h": 262.9
  },
  "luminance": 0.0612
}

Semantic roles & 50–950 ramp

primary

#1B4193

secondary

#C09B4A

accent

#B43CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4193

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

Preview Lab → · Contrast checker → · Palette generator →