#1B4294#1B4294

#1B4294 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.142 H 262.7°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#1B4294
RGB	rgb(27, 66, 148)
HSL	hsl(221, 69%, 34%)
HSV	hsv(221, 82%, 58%)
CMYK	cmyk(81.8%, 55.4%, 0%, 42%)
CIE-LAB	lab(30.08, 18.16, -48.96)
CIE-LCH	lch(30.08, 52.22, 290.35°)
OKLab	oklab(40.36% -0.0182 -0.1412)
OKLCH	oklch(40.36% 0.142 262.7)
XYZ	xyz(7.7436, 6.2666, 28.8127)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4294 #946D1B

analogous

#1B7F94 #1B4294 #301B94

triadic

#1B4294 #941B42 #42941B

tetradic

#1B4294 #941B7F #946D1B #1B9430

square

#1B4294 #941B7F #946D1B #1B9430

split-complementary

#1B4294 #94301B #7F941B

monochromatic

#08142C #122B60 #1B4294 #2459C8 #4B7BDE

Accessibility & contrast

On white

9.32

#1B4294 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1B4294 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4294

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4294	#FFFFFF	#000000	##FFFFFF
##1B4294	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D97

Deuteranopia (green-blind)

#004292

Tritanopia (blue-blind)

#005664

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4294;
/* rgb */ color: rgb(27, 66, 148);
/* oklch */ color: oklch(40.4% 0.142 262.7);

Tailwind

colors: {
  custom: {
    50: '#6d75b4',
    500: '#1b4294',
    950: '#000000',
  },
}

SCSS

$custom: #1b4294;
$custom-light: #6d75b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4294",
  "rgb": {
    "r": 27,
    "g": 66,
    "b": 148
  },
  "hsl": {
    "h": 220.661,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40355,
    "c": 0.14241,
    "h": 262.7
  },
  "luminance": 0.06268
}

Semantic roles & 50–950 ramp

primary

#1B4294

secondary

#C09A4B

accent

#B33CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4294

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

Preview Lab → · Contrast checker → · Palette generator →