#1B4394#1B4394

#1B4394 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.6% C 0.141 H 262.3°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#1B4394
RGB	rgb(27, 67, 148)
HSL	hsl(220, 69%, 34%)
HSV	hsv(220, 82%, 58%)
CMYK	cmyk(81.8%, 54.7%, 0%, 42%)
CIE-LAB	lab(30.36, 17.47, -48.50)
CIE-LCH	lch(30.36, 51.55, 289.81°)
OKLab	oklab(40.57% -0.0189 -0.1398)
OKLCH	oklch(40.57% 0.141 262.3)
XYZ	xyz(7.8025, 6.3845, 28.8323)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4394 #946C1B

analogous

#1B8094 #1B4394 #2F1B94

triadic

#1B4394 #941B43 #43941B

tetradic

#1B4394 #941B80 #946C1B #1B942F

square

#1B4394 #941B80 #946C1B #1B942F

split-complementary

#1B4394 #942F1B #80941B

monochromatic

#08142C #122C60 #1B4394 #245AC8 #4B7CDE

Accessibility & contrast

On white

9.22

#1B4394 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1B4394 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4394

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4394	#FFFFFF	#000000	##FFFFFF
##1B4394	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D97

Deuteranopia (green-blind)

#004292

Tritanopia (blue-blind)

#005765

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4394;
/* rgb */ color: rgb(27, 67, 148);
/* oklch */ color: oklch(40.6% 0.141 262.3);

Tailwind

colors: {
  custom: {
    50: '#6c76b4',
    500: '#1b4394',
    950: '#000000',
  },
}

SCSS

$custom: #1b4394;
$custom-light: #6c76b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4394",
  "rgb": {
    "r": 27,
    "g": 67,
    "b": 148
  },
  "hsl": {
    "h": 220.165,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40573,
    "c": 0.14112,
    "h": 262.3
  },
  "luminance": 0.06385
}

Semantic roles & 50–950 ramp

primary

#1B4394

secondary

#C0994B

accent

#B23CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4394

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

Preview Lab → · Contrast checker → · Palette generator →