#1B167A#1B167A

#1B167A is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.7% C 0.159 H 273.1°. Best body text is #FFFFFF at 14.56:1 contrast (WCAG AA passes).

Color values

HEX	#1B167A
RGB	rgb(27, 22, 122)
HSL	hsl(243, 69%, 28%)
HSV	hsv(243, 82%, 48%)
CMYK	cmyk(77.9%, 82%, 0%, 52.2%)
CIE-LAB	lab(16.56, 37.13, -54.86)
CIE-LCH	lch(16.56, 66.24, 304.09°)
OKLab	oklab(29.69% 0.0086 -0.1587)
OKLCH	oklch(29.69% 0.159 273.1)
XYZ	xyz(4.2506, 2.2115, 18.6114)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B167A #757A16

analogous

#16437A #1B167A #4D167A

triadic

#1B167A #7A1B16 #167A1B

tetradic

#1B167A #7A1643 #757A16 #167A4D

square

#1B167A #7A1643 #757A16 #167A4D

split-complementary

#1B167A #7A4D16 #437A16

monochromatic

#06051A #100D46 #1B167A #261FAE #3931DA

Accessibility & contrast

On white

14.56

#1B167A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1B167A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B167A

14.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B167A	#FFFFFF	#000000	##FFFFFF
##1B167A	1.00	14.56	1.44	14.56
#FFFFFF	14.56	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7D

Deuteranopia (green-blind)

#002478

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1b167a;
/* rgb */ color: rgb(27, 22, 122);
/* oklch */ color: oklch(29.7% 0.159 273.1);

Tailwind

colors: {
  custom: {
    50: '#6a56a2',
    500: '#1b167a',
    950: '#000000',
  },
}

SCSS

$custom: #1b167a;
$custom-light: #6a56a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b167a",
  "rgb": {
    "r": 27,
    "g": 22,
    "b": 122
  },
  "hsl": {
    "h": 243,
    "s": 69.444,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29689,
    "c": 0.15895,
    "h": 273.1
  },
  "luminance": 0.02212
}

Semantic roles & 50–950 ramp

primary

#1B167A

secondary

#A9AF3D

accent

#EC3CE3

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1B167A

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

Preview Lab → · Contrast checker → · Palette generator →