#1B208C#1B208C

#1B208C is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.172 H 270.4°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#1B208C
RGB	rgb(27, 32, 140)
HSL	hsl(237, 68%, 33%)
HSV	hsv(237, 81%, 55%)
CMYK	cmyk(80.7%, 77.1%, 0%, 45.1%)
CIE-LAB	lab(20.67, 37.66, -59.43)
CIE-LCH	lch(20.67, 70.36, 302.36°)
OKLab	oklab(33.2% 0.0011 -0.1721)
OKLCH	oklch(33.2% 0.172 270.4)
XYZ	xyz(5.7005, 3.1588, 25.1151)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B208C #8C871B

analogous

#1B598C #1B208C #4E1B8C

triadic

#1B208C #8C1B20 #208C1B

tetradic

#1B208C #8C1B59 #8C871B #1B8C4E

square

#1B208C #8C1B59 #8C871B #1B8C4E

split-complementary

#1B208C #8C4E1B #598C1B

monochromatic

#070925 #111459 #1B208C #252CBF #464DDB

Accessibility & contrast

On white

12.87

#1B208C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1B208C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B208C

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B208C	#FFFFFF	#000000	##FFFFFF
##1B208C	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378F

Deuteranopia (green-blind)

#002C8A

Tritanopia (blue-blind)

#004054

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1b208c;
/* rgb */ color: rgb(27, 32, 140);
/* oklch */ color: oklch(33.2% 0.172 270.4);

Tailwind

colors: {
  custom: {
    50: '#6d5daf',
    500: '#1b208c',
    950: '#000000',
  },
}

SCSS

$custom: #1b208c;
$custom-light: #6d5daf;
$custom-dark: #000000;

JSON

{
  "hex": "#1b208c",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 140
  },
  "hsl": {
    "h": 237.345,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.33203,
    "c": 0.17213,
    "h": 270.4
  },
  "luminance": 0.03159
}

Semantic roles & 50–950 ramp

primary

#1B208C

secondary

#BDB846

accent

#E33DEB

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080410

muted

#7B797F

Preview Lab

Preview with #1B208C

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

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