#1B4296#1B4296

#1B4296 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.5% C 0.145 H 262.9°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#1B4296
RGB	rgb(27, 66, 150)
HSL	hsl(221, 69%, 35%)
HSV	hsv(221, 82%, 59%)
CMYK	cmyk(82%, 56%, 0%, 41.2%)
CIE-LAB	lab(30.23, 18.96, -49.93)
CIE-LCH	lch(30.23, 53.41, 290.80°)
OKLab	oklab(40.52% -0.018 -0.1441)
OKLCH	oklch(40.52% 0.145 262.9)
XYZ	xyz(7.9033, 6.3305, 29.6536)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4296 #966F1B

analogous

#1B7F96 #1B4296 #321B96

triadic

#1B4296 #961B42 #42961B

tetradic

#1B4296 #961B7F #966F1B #1B9632

square

#1B4296 #961B7F #966F1B #1B9632

split-complementary

#1B4296 #96321B #7F961B

monochromatic

#08142E #122B62 #1B4296 #2459CA #4D7BDF

Accessibility & contrast

On white

9.27

#1B4296 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1B4296 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4296

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4296	#FFFFFF	#000000	##FFFFFF
##1B4296	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D99

Deuteranopia (green-blind)

#004294

Tritanopia (blue-blind)

#005765

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4296;
/* rgb */ color: rgb(27, 66, 150);
/* oklch */ color: oklch(40.5% 0.145 262.9);

Tailwind

colors: {
  custom: {
    50: '#6d75b6',
    500: '#1b4296',
    950: '#000000',
  },
}

SCSS

$custom: #1b4296;
$custom-light: #6d75b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4296",
  "rgb": {
    "r": 27,
    "g": 66,
    "b": 150
  },
  "hsl": {
    "h": 220.976,
    "s": 69.492,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40523,
    "c": 0.14521,
    "h": 262.9
  },
  "luminance": 0.06331
}

Semantic roles & 50–950 ramp

primary

#1B4296

secondary

#C19C4C

accent

#B43BEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4296

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

Preview Lab → · Contrast checker → · Palette generator →