#181773#181773

#181773 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.8% C 0.150 H 272.3°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#181773
RGB	rgb(24, 23, 115)
HSL	hsl(241, 67%, 27%)
HSV	hsv(241, 80%, 45%)
CMYK	cmyk(79.1%, 80%, 0%, 54.9%)
CIE-LAB	lab(15.72, 33.90, -51.75)
CIE-LCH	lch(15.72, 61.87, 303.23°)
OKLab	oklab(28.8% 0.006 -0.1498)
OKLCH	oklch(28.8% 0.15 272.3)
XYZ	xyz(3.7766, 2.0444, 16.4119)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181773 #727317

analogous

#174473 #181773 #461773

triadic

#181773 #731817 #177318

tetradic

#181773 #731744 #727317 #177346

square

#181773 #731744 #727317 #177346

split-complementary

#181773 #734617 #447317

monochromatic

#05051A #0D0D40 #181773 #2321A6 #312FD5

Accessibility & contrast

On white

14.90

#181773 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#181773 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181773

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181773	#FFFFFF	#000000	##FFFFFF
##181773	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C76

Deuteranopia (green-blind)

#002371

Tritanopia (blue-blind)

#003344

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #181773;
/* rgb */ color: rgb(24, 23, 115);
/* oklch */ color: oklch(28.8% 0.150 272.3);

Tailwind

colors: {
  custom: {
    50: '#67569c',
    500: '#181773',
    950: '#000000',
  },
}

SCSS

$custom: #181773;
$custom-light: #67569c;
$custom-dark: #000000;

JSON

{
  "hex": "#181773",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 115
  },
  "hsl": {
    "h": 240.652,
    "s": 66.667,
    "l": 27.059
  },
  "oklch": {
    "l": 0.288,
    "c": 0.14991,
    "h": 272.3
  },
  "luminance": 0.02045
}

Semantic roles & 50–950 ramp

primary

#181773

secondary

#A7A93D

accent

#EA3EE8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #181773

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

Preview Lab → · Contrast checker → · Palette generator →