#1B206B#1B206B

#1B206B is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.6% C 0.128 H 272.6°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#1B206B
RGB	rgb(27, 32, 107)
HSL	hsl(236, 60%, 26%)
HSV	hsv(236, 75%, 42%)
CMYK	cmyk(74.8%, 70.1%, 0%, 58%)
CIE-LAB	lab(17.12, 25.50, -44.24)
CIE-LCH	lch(17.12, 51.06, 299.96°)
OKLab	oklab(29.59% 0.0059 -0.1278)
OKLCH	oklch(29.59% 0.128 272.6)
XYZ	xyz(3.6215, 2.3272, 14.1654)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B206B #6B661B

analogous

#1B486B #1B206B #3E1B6B

triadic

#1B206B #6B1B20 #206B1B

tetradic

#1B206B #6B1B48 #6B661B #1B6B3E

square

#1B206B #6B1B48 #6B661B #1B6B3E

split-complementary

#1B206B #6B3E1B #486B1B

monochromatic

#060718 #0F113A #1B206B #272F9C #353ECC

Accessibility & contrast

On white

14.33

#1B206B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1B206B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B206B

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B206B	#FFFFFF	#000000	##FFFFFF
##1B206B	1.00	14.33	1.47	14.33
#FFFFFF	14.33	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6D

Deuteranopia (green-blind)

#00266A

Tritanopia (blue-blind)

#003442

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b206b;
/* rgb */ color: rgb(27, 32, 107);
/* oklch */ color: oklch(29.6% 0.128 272.6);

Tailwind

colors: {
  custom: {
    50: '#655b96',
    500: '#1b206b',
    950: '#000000',
  },
}

SCSS

$custom: #1b206b;
$custom-light: #655b96;
$custom-dark: #000000;

JSON

{
  "hex": "#1b206b",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 107
  },
  "hsl": {
    "h": 236.25,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.29592,
    "c": 0.12799,
    "h": 272.6
  },
  "luminance": 0.02328
}

Semantic roles & 50–950 ramp

primary

#1B206B

secondary

#A09A42

accent

#D945E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1B206B

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

Preview Lab → · Contrast checker → · Palette generator →