#1B208E#1B208E

#1B208E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.4% C 0.175 H 270.2°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B208E
RGB	rgb(27, 32, 142)
HSL	hsl(237, 68%, 33%)
HSV	hsv(237, 81%, 56%)
CMYK	cmyk(81%, 77.5%, 0%, 44.3%)
CIE-LAB	lab(20.90, 38.36, -60.30)
CIE-LCH	lch(20.90, 71.47, 302.46°)
OKLab	oklab(33.43% 0.0008 -0.1746)
OKLCH	oklch(33.43% 0.175 270.2)
XYZ	xyz(5.8493, 3.2184, 25.8989)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B208E #8E891B

analogous

#1B598E #1B208E #4F1B8E

triadic

#1B208E #8E1B20 #208E1B

tetradic

#1B208E #8E1B59 #8E891B #1B8E4F

square

#1B208E #8E1B59 #8E891B #1B8E4F

split-complementary

#1B208E #8E4F1B #598E1B

monochromatic

#070927 #11145B #1B208E #252CC1 #474EDC

Accessibility & contrast

On white

12.78

#1B208E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1B208E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B208E

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B208E	#FFFFFF	#000000	##FFFFFF
##1B208E	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003891

Deuteranopia (green-blind)

#002C8C

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1b208e;
/* rgb */ color: rgb(27, 32, 142);
/* oklch */ color: oklch(33.4% 0.175 270.2);

Tailwind

colors: {
  custom: {
    50: '#6e5db0',
    500: '#1b208e',
    950: '#000000',
  },
}

SCSS

$custom: #1b208e;
$custom-light: #6e5db0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b208e",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 142
  },
  "hsl": {
    "h": 237.391,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33432,
    "c": 0.17465,
    "h": 270.2
  },
  "luminance": 0.03219
}

Semantic roles & 50–950 ramp

primary

#1B208E

secondary

#BEB947

accent

#E33DEB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1B208E

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

Preview Lab → · Contrast checker → · Palette generator →