#1B165A#1B165A

#1B165A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 26.0% C 0.116 H 277.8°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B165A
RGB	rgb(27, 22, 90)
HSL	hsl(244, 61%, 22%)
HSV	hsv(244, 76%, 35%)
CMYK	cmyk(70%, 75.6%, 0%, 64.7%)
CIE-LAB	lab(12.89, 25.81, -39.92)
CIE-LCH	lch(12.89, 47.54, 302.89°)
OKLab	oklab(26.01% 0.0159 -0.1152)
OKLCH	oklch(26.01% 0.116 277.8)
XYZ	xyz(2.5838, 1.5448, 9.8329)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B165A #555A16

analogous

#16335A #1B165A #3D165A

triadic

#1B165A #5A1B16 #165A1B

tetradic

#1B165A #5A1633 #555A16 #165A3D

square

#1B165A #5A1633 #555A16 #165A3D

split-complementary

#1B165A #5A3D16 #335A16

monochromatic

#070619 #0C0A29 #1B165A #2A228B #392EBC

Accessibility & contrast

On white

16.04

#1B165A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#1B165A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B165A

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B165A	#FFFFFF	#000000	##FFFFFF
##1B165A	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245C

Deuteranopia (green-blind)

#001E59

Tritanopia (blue-blind)

#002936

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1b165a;
/* rgb */ color: rgb(27, 22, 90);
/* oklch */ color: oklch(26.0% 0.116 277.8);

Tailwind

colors: {
  custom: {
    50: '#615489',
    500: '#1b165a',
    950: '#000000',
  },
}

SCSS

$custom: #1b165a;
$custom-light: #615489;
$custom-dark: #000000;

JSON

{
  "hex": "#1b165a",
  "rgb": {
    "r": 27,
    "g": 22,
    "b": 90
  },
  "hsl": {
    "h": 244.412,
    "s": 60.714,
    "l": 21.961
  },
  "oklch": {
    "l": 0.26005,
    "c": 0.11631,
    "h": 277.8
  },
  "luminance": 0.01545
}

Semantic roles & 50–950 ramp

primary

#1B165A

secondary

#8B913B

accent

#E444D8

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #1B165A

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

Preview Lab → · Contrast checker → · Palette generator →