#1B167F#1B167F

#1B167F is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.3% C 0.165 H 272.6°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#1B167F
RGB	rgb(27, 22, 127)
HSL	hsl(243, 70%, 29%)
HSV	hsv(243, 83%, 50%)
CMYK	cmyk(78.7%, 82.7%, 0%, 50.2%)
CIE-LAB	lab(17.17, 38.81, -57.03)
CIE-LCH	lch(17.17, 68.99, 304.23°)
OKLab	oklab(30.29% 0.0074 -0.165)
OKLCH	oklch(30.29% 0.165 272.6)
XYZ	xyz(4.5684, 2.3386, 20.2852)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B167F #7A7F16

analogous

#16467F #1B167F #50167F

triadic

#1B167F #7F1B16 #167F1B

tetradic

#1B167F #7F1646 #7A7F16 #167F50

square

#1B167F #7F1646 #7A7F16 #167F50

split-complementary

#1B167F #7F5016 #467F16

monochromatic

#06051A #100D4B #1B167F #261FB3 #3C34DC

Accessibility & contrast

On white

14.31

#1B167F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1B167F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B167F

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B167F	#FFFFFF	#000000	##FFFFFF
##1B167F	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F82

Deuteranopia (green-blind)

#00257D

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b167f;
/* rgb */ color: rgb(27, 22, 127);
/* oklch */ color: oklch(30.3% 0.165 272.6);

Tailwind

colors: {
  custom: {
    50: '#6b56a5',
    500: '#1b167f',
    950: '#000000',
  },
}

SCSS

$custom: #1b167f;
$custom-light: #6b56a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b167f",
  "rgb": {
    "r": 27,
    "g": 22,
    "b": 127
  },
  "hsl": {
    "h": 242.857,
    "s": 70.47,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30294,
    "c": 0.16521,
    "h": 272.6
  },
  "luminance": 0.02339
}

Semantic roles & 50–950 ramp

primary

#1B167F

secondary

#AEB43D

accent

#ED3BE5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1B167F

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

Preview Lab → · Contrast checker → · Palette generator →