#1B206E#1B206E

#1B206E is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.9% C 0.132 H 272.4°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#1B206E
RGB	rgb(27, 32, 110)
HSL	hsl(236, 61%, 27%)
HSV	hsv(236, 75%, 43%)
CMYK	cmyk(75.5%, 70.9%, 0%, 56.9%)
CIE-LAB	lab(17.42, 26.65, -45.70)
CIE-LCH	lch(17.42, 52.90, 300.25°)
OKLab	oklab(29.9% 0.0056 -0.1321)
OKLCH	oklch(29.9% 0.132 272.4)
XYZ	xyz(3.7820, 2.3914, 15.0111)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B206E #6E691B

analogous

#1B4A6E #1B206E #401B6E

triadic

#1B206E #6E1B20 #206E1B

tetradic

#1B206E #6E1B4A #6E691B #1B6E40

square

#1B206E #6E1B4A #6E691B #1B6E40

split-complementary

#1B206E #6E401B #4A6E1B

monochromatic

#060719 #0F123D #1B206E #272E9F #363FCE

Accessibility & contrast

On white

14.20

#1B206E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1B206E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B206E

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B206E	#FFFFFF	#000000	##FFFFFF
##1B206E	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F70

Deuteranopia (green-blind)

#00276D

Tritanopia (blue-blind)

#003544

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1b206e;
/* rgb */ color: rgb(27, 32, 110);
/* oklch */ color: oklch(29.9% 0.132 272.4);

Tailwind

colors: {
  custom: {
    50: '#655b98',
    500: '#1b206e',
    950: '#000000',
  },
}

SCSS

$custom: #1b206e;
$custom-light: #655b98;
$custom-dark: #000000;

JSON

{
  "hex": "#1b206e",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 110
  },
  "hsl": {
    "h": 236.386,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29903,
    "c": 0.13224,
    "h": 272.4
  },
  "luminance": 0.02392
}

Semantic roles & 50–950 ramp

primary

#1B206E

secondary

#A39D42

accent

#DA44E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1B206E

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

Preview Lab → · Contrast checker → · Palette generator →