#1B168E#1B168E

#1B168E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.183 H 271.2°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#1B168E
RGB	rgb(27, 22, 142)
HSL	hsl(243, 73%, 32%)
HSV	hsv(243, 85%, 56%)
CMYK	cmyk(81%, 84.5%, 0%, 44.3%)
CIE-LAB	lab(19.05, 43.70, -63.36)
CIE-LCH	lch(19.05, 76.97, 304.59°)
OKLab	oklab(32.14% 0.0037 -0.1834)
OKLCH	oklch(32.14% 0.183 271.2)
XYZ	xyz(5.6197, 2.7592, 25.8223)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B168E #898E16

analogous

#164D8E #1B168E #57168E

triadic

#1B168E #8E1B16 #168E1B

tetradic

#1B168E #8E164D #898E16 #168E57

square

#1B168E #8E164D #898E16 #168E57

split-complementary

#1B168E #8E5716 #4D8E16

monochromatic

#070624 #110E59 #1B168E #251EC3 #443DE1

Accessibility & contrast

On white

13.53

#1B168E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1B168E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B168E

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B168E	#FFFFFF	#000000	##FFFFFF
##1B168E	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003491

Deuteranopia (green-blind)

#00288C

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1b168e;
/* rgb */ color: rgb(27, 22, 142);
/* oklch */ color: oklch(32.1% 0.183 271.2);

Tailwind

colors: {
  custom: {
    50: '#6f57b0',
    500: '#1b168e',
    950: '#000000',
  },
}

SCSS

$custom: #1b168e;
$custom-light: #6f57b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b168e",
  "rgb": {
    "r": 27,
    "g": 22,
    "b": 142
  },
  "hsl": {
    "h": 242.5,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32141,
    "c": 0.1834,
    "h": 271.2
  },
  "luminance": 0.0276
}

Semantic roles & 50–950 ramp

primary

#1B168E

secondary

#BCC13F

accent

#F038E8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1B168E

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

Preview Lab → · Contrast checker → · Palette generator →