#1B168D#1B168D

#1B168D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.182 H 271.2°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B168D
RGB	rgb(27, 22, 141)
HSL	hsl(243, 73%, 32%)
HSV	hsv(243, 84%, 55%)
CMYK	cmyk(80.9%, 84.4%, 0%, 44.7%)
CIE-LAB	lab(18.93, 43.38, -62.95)
CIE-LCH	lch(18.93, 76.45, 304.57°)
OKLab	oklab(32.02% 0.0039 -0.1822)
OKLCH	oklch(32.02% 0.182 271.2)
XYZ	xyz(5.5450, 2.7293, 25.4287)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B168D #888D16

analogous

#164D8D #1B168D #57168D

triadic

#1B168D #8D1B16 #168D1B

tetradic

#1B168D #8D164D #888D16 #168D57

square

#1B168D #8D164D #888D16 #168D57

split-complementary

#1B168D #8D5716 #4D8D16

monochromatic

#070523 #110E58 #1B168D #251EC2 #443DE1

Accessibility & contrast

On white

13.58

#1B168D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1B168D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B168D

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B168D	#FFFFFF	#000000	##FFFFFF
##1B168D	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#00288B

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1b168d;
/* rgb */ color: rgb(27, 22, 141);
/* oklch */ color: oklch(32.0% 0.182 271.2);

Tailwind

colors: {
  custom: {
    50: '#6f57b0',
    500: '#1b168d',
    950: '#000000',
  },
}

SCSS

$custom: #1b168d;
$custom-light: #6f57b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b168d",
  "rgb": {
    "r": 27,
    "g": 22,
    "b": 141
  },
  "hsl": {
    "h": 242.521,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32016,
    "c": 0.18221,
    "h": 271.2
  },
  "luminance": 0.0273
}

Semantic roles & 50–950 ramp

primary

#1B168D

secondary

#BBC13E

accent

#F038E8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1B168D

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

Preview Lab → · Contrast checker → · Palette generator →