#1B329F#1B329F

#1B329F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.2% C 0.177 H 267.2°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#1B329F
RGB	rgb(27, 50, 159)
HSL	hsl(230, 71%, 36%)
HSV	hsv(230, 83%, 62%)
CMYK	cmyk(83%, 68.6%, 0%, 37.6%)
CIE-LAB	lab(26.78, 33.33, -61.05)
CIE-LCH	lch(26.78, 69.56, 298.63°)
OKLab	oklab(38.2% -0.0086 -0.1769)
OKLCH	oklch(38.2% 0.177 267.2)
XYZ	xyz(7.8484, 5.0165, 33.3488)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B329F #9F881B

analogous

#1B749F #1B329F #461B9F

triadic

#1B329F #9F1B32 #329F1B

tetradic

#1B329F #9F1B74 #9F881B #1B9F46

square

#1B329F #9F1B74 #9F881B #1B9F46

split-complementary

#1B329F #9F461B #749F1B

monochromatic

#091136 #12226B #1B329F #2442D3 #536CE2

Accessibility & contrast

On white

10.48

#1B329F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1B329F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B329F

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B329F	#FFFFFF	#000000	##FFFFFF
##1B329F	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A2

Deuteranopia (green-blind)

#00399D

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1b329f;
/* rgb */ color: rgb(27, 50, 159);
/* oklch */ color: oklch(38.2% 0.177 267.2);

Tailwind

colors: {
  custom: {
    50: '#716abc',
    500: '#1b329f',
    950: '#000000',
  },
}

SCSS

$custom: #1b329f;
$custom-light: #716abc;
$custom-dark: #000000;

JSON

{
  "hex": "#1b329f",
  "rgb": {
    "r": 27,
    "g": 50,
    "b": 159
  },
  "hsl": {
    "h": 229.545,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.38203,
    "c": 0.1771,
    "h": 267.2
  },
  "luminance": 0.05017
}

Semantic roles & 50–950 ramp

primary

#1B329F

secondary

#C5B051

accent

#CE3AEE

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1B329F

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

Preview Lab → · Contrast checker → · Palette generator →