#181573#181573

#181573 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.5% C 0.152 H 272.6°. Best body text is #FFFFFF at 15.07:1 contrast (WCAG AA passes).

Color values

HEX	#181573
RGB	rgb(24, 21, 115)
HSL	hsl(242, 69%, 27%)
HSV	hsv(242, 82%, 45%)
CMYK	cmyk(79.1%, 81.7%, 0%, 54.9%)
CIE-LAB	lab(15.32, 35.05, -52.41)
CIE-LCH	lch(15.32, 63.05, 303.77°)
OKLab	oklab(28.52% 0.0068 -0.1517)
OKLCH	oklch(28.52% 0.152 272.6)
XYZ	xyz(3.7383, 1.9679, 16.3992)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181573 #707315

analogous

#154173 #181573 #471573

triadic

#181573 #731815 #157318

tetradic

#181573 #731541 #707315 #157347

square

#181573 #731541 #707315 #157347

split-complementary

#181573 #734715 #417315

monochromatic

#05051A #0D0C3F #181573 #231EA7 #302AD8

Accessibility & contrast

On white

15.07

#181573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#181573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181573

15.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181573	#FFFFFF	#000000	##FFFFFF
##181573	1.00	15.07	1.39	15.07
#FFFFFF	15.07	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B76

Deuteranopia (green-blind)

#002271

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #181573;
/* rgb */ color: rgb(24, 21, 115);
/* oklch */ color: oklch(28.5% 0.152 272.6);

Tailwind

colors: {
  custom: {
    50: '#67549c',
    500: '#181573',
    950: '#000000',
  },
}

SCSS

$custom: #181573;
$custom-light: #67549c;
$custom-dark: #000000;

JSON

{
  "hex": "#181573",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 115
  },
  "hsl": {
    "h": 241.915,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.28518,
    "c": 0.15184,
    "h": 272.6
  },
  "luminance": 0.01968
}

Semantic roles & 50–950 ramp

primary

#181573

secondary

#A5A93B

accent

#EC3CE6

background

#F6F5F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #181573

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

Preview Lab → · Contrast checker → · Palette generator →