#1B208F#1B208F

#1B208F is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.5% C 0.176 H 270.2°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#1B208F
RGB	rgb(27, 32, 143)
HSL	hsl(237, 68%, 33%)
HSV	hsv(237, 81%, 56%)
CMYK	cmyk(81.1%, 77.6%, 0%, 43.9%)
CIE-LAB	lab(21.01, 38.71, -60.73)
CIE-LCH	lch(21.01, 72.02, 302.51°)
OKLab	oklab(33.55% 0.0006 -0.1759)
OKLCH	oklch(33.55% 0.176 270.2)
XYZ	xyz(5.9247, 3.2485, 26.2960)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B208F #8F8A1B

analogous

#1B5A8F #1B208F #501B8F

triadic

#1B208F #8F1B20 #208F1B

tetradic

#1B208F #8F1B5A #8F8A1B #1B8F50

square

#1B208F #8F1B5A #8F8A1B #1B8F50

split-complementary

#1B208F #8F501B #5A8F1B

monochromatic

#080928 #11145C #1B208F #252CC2 #484EDC

Accessibility & contrast

On white

12.73

#1B208F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1B208F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B208F

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B208F	#FFFFFF	#000000	##FFFFFF
##1B208F	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003892

Deuteranopia (green-blind)

#002D8D

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1b208f;
/* rgb */ color: rgb(27, 32, 143);
/* oklch */ color: oklch(33.5% 0.176 270.2);

Tailwind

colors: {
  custom: {
    50: '#6e5db1',
    500: '#1b208f',
    950: '#000000',
  },
}

SCSS

$custom: #1b208f;
$custom-light: #6e5db1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b208f",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 143
  },
  "hsl": {
    "h": 237.414,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33547,
    "c": 0.17591,
    "h": 270.2
  },
  "luminance": 0.03249
}

Semantic roles & 50–950 ramp

primary

#1B208F

secondary

#BEB948

accent

#E43DEB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1B208F

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

Preview Lab → · Contrast checker → · Palette generator →