#1B209D#1B209D

#1B209D is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.2% C 0.193 H 269.4°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#1B209D
RGB	rgb(27, 32, 157)
HSL	hsl(238, 71%, 36%)
HSV	hsv(238, 83%, 62%)
CMYK	cmyk(82.8%, 79.6%, 0%, 38.4%)
CIE-LAB	lab(22.65, 43.50, -66.65)
CIE-LCH	lch(22.65, 79.59, 303.13°)
OKLab	oklab(35.18% -0.0019 -0.1931)
OKLCH	oklch(35.18% 0.193 269.4)
XYZ	xyz(7.0522, 3.6995, 32.2341)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B209D #9D981B

analogous

#1B619D #1B209D #571B9D

triadic

#1B209D #9D1B20 #209D1B

tetradic

#1B209D #9D1B61 #9D981B #1B9D57

square

#1B209D #9D1B61 #9D981B #1B9D57

split-complementary

#1B209D #9D571B #619D1B

monochromatic

#090B35 #121569 #1B209D #242BD1 #5157E1

Accessibility & contrast

On white

12.07

#1B209D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1B209D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B209D

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B209D	#FFFFFF	#000000	##FFFFFF
##1B209D	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA0

Deuteranopia (green-blind)

#002F9B

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1b209d;
/* rgb */ color: rgb(27, 32, 157);
/* oklch */ color: oklch(35.2% 0.193 269.4);

Tailwind

colors: {
  custom: {
    50: '#725ebb',
    500: '#1b209d',
    950: '#000000',
  },
}

SCSS

$custom: #1b209d;
$custom-light: #725ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b209d",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 157
  },
  "hsl": {
    "h": 237.692,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35181,
    "c": 0.19308,
    "h": 269.4
  },
  "luminance": 0.037
}

Semantic roles & 50–950 ramp

primary

#1B209D

secondary

#C4BF50

accent

#E73AED

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1B209D

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

Preview Lab → · Contrast checker → · Palette generator →