#181650#181650

#181650 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.7% C 0.102 H 277.3°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#181650
RGB	rgb(24, 22, 80)
HSL	hsl(242, 57%, 20%)
HSV	hsv(242, 73%, 31%)
CMYK	cmyk(70%, 72.5%, 0%, 68.6%)
CIE-LAB	lab(11.60, 21.58, -35.25)
CIE-LCH	lch(11.60, 41.33, 301.48°)
OKLab	oklab(24.69% 0.0131 -0.1016)
OKLCH	oklch(24.69% 0.102 277.3)
XYZ	xyz(2.1111, 1.3470, 7.7366)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181650 #4E5016

analogous

#163150 #181650 #351650

triadic

#181650 #501816 #165018

tetradic

#181650 #501631 #4E5016 #165035

square

#181650 #501631 #4E5016 #165035

split-complementary

#181650 #503516 #315016

monochromatic

#070718 #0A0920 #181650 #262380 #3530B0

Accessibility & contrast

On white

16.54

#181650 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#181650 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181650

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181650	#FFFFFF	#000000	##FFFFFF
##181650	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002152

Deuteranopia (green-blind)

#001C4F

Tritanopia (blue-blind)

#002530

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #181650;
/* rgb */ color: rgb(24, 22, 80);
/* oklch */ color: oklch(24.7% 0.102 277.3);

Tailwind

colors: {
  custom: {
    50: '#5d5382',
    500: '#181650',
    950: '#000000',
  },
}

SCSS

$custom: #181650;
$custom-light: #5d5382;
$custom-dark: #000000;

JSON

{
  "hex": "#181650",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 80
  },
  "hsl": {
    "h": 242.069,
    "s": 56.863,
    "l": 20
  },
  "oklch": {
    "l": 0.24694,
    "c": 0.10249,
    "h": 277.3
  },
  "luminance": 0.01347
}

Semantic roles & 50–950 ramp

primary

#181650

secondary

#85873A

accent

#E048DB

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020A

muted

#79787C

Preview Lab

Preview with #181650

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

Preview Lab → · Contrast checker → · Palette generator →