#1B208D#1B208D

#1B208D is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.3% C 0.173 H 270.3°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#1B208D
RGB	rgb(27, 32, 141)
HSL	hsl(237, 68%, 33%)
HSV	hsv(237, 81%, 55%)
CMYK	cmyk(80.9%, 77.3%, 0%, 44.7%)
CIE-LAB	lab(20.78, 38.01, -59.87)
CIE-LCH	lch(20.78, 70.92, 302.41°)
OKLab	oklab(33.32% 0.0009 -0.1734)
OKLCH	oklch(33.32% 0.173 270.3)
XYZ	xyz(5.7746, 3.1885, 25.5052)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B208D #8D881B

analogous

#1B598D #1B208D #4F1B8D

triadic

#1B208D #8D1B20 #208D1B

tetradic

#1B208D #8D1B59 #8D881B #1B8D4F

square

#1B208D #8D1B59 #8D881B #1B8D4F

split-complementary

#1B208D #8D4F1B #598D1B

monochromatic

#070926 #11145A #1B208D #252CC0 #474DDC

Accessibility & contrast

On white

12.82

#1B208D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1B208D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B208D

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B208D	#FFFFFF	#000000	##FFFFFF
##1B208D	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003890

Deuteranopia (green-blind)

#002C8B

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1b208d;
/* rgb */ color: rgb(27, 32, 141);
/* oklch */ color: oklch(33.3% 0.173 270.3);

Tailwind

colors: {
  custom: {
    50: '#6e5db0',
    500: '#1b208d',
    950: '#000000',
  },
}

SCSS

$custom: #1b208d;
$custom-light: #6e5db0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b208d",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 141
  },
  "hsl": {
    "h": 237.368,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33317,
    "c": 0.1734,
    "h": 270.3
  },
  "luminance": 0.03189
}

Semantic roles & 50–950 ramp

primary

#1B208D

secondary

#BDB846

accent

#E33DEB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080411

muted

#7B7980

Preview Lab

Preview with #1B208D

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

Preview Lab → · Contrast checker → · Palette generator →