#182C4D#182C4D

#182C4D is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.5% C 0.066 H 259.9°. Best body text is #FFFFFF at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#182C4D
RGB	rgb(24, 44, 77)
HSL	hsl(217, 52%, 20%)
HSV	hsv(217, 69%, 30%)
CMYK	cmyk(68.8%, 42.9%, 0%, 69.8%)
CIE-LAB	lab(18.06, 4.17, -22.79)
CIE-LCH	lch(18.06, 23.17, 280.36°)
OKLab	oklab(29.48% -0.0115 -0.0648)
OKLCH	oklch(29.48% 0.066 259.9)
XYZ	xyz(2.6165, 2.5311, 7.3704)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C4D #4D3918

analogous

#18474D #182C4D #1E184D

triadic

#182C4D #4D182C #2C4D18

tetradic

#182C4D #4D1847 #4D3918 #184D1E

square

#182C4D #4D1847 #4D3918 #184D1E

split-complementary

#182C4D #4D1E18 #474D18

monochromatic

#070D17 #09111E #182C4D #27477C #3561AA

Accessibility & contrast

On white

13.94

#182C4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#182C4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C4D

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C4D	#FFFFFF	#000000	##FFFFFF
##182C4D	1.00	13.94	1.51	13.94
#FFFFFF	13.94	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E2F4E

Deuteranopia (green-blind)

#162A4C

Tritanopia (blue-blind)

#003338

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182c4d;
/* rgb */ color: rgb(24, 44, 77);
/* oklch */ color: oklch(29.5% 0.066 259.9);

Tailwind

colors: {
  custom: {
    50: '#5b647f',
    500: '#182c4d',
    950: '#000000',
  },
}

SCSS

$custom: #182c4d;
$custom-light: #5b647f;
$custom-dark: #000000;

JSON

{
  "hex": "#182c4d",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 77
  },
  "hsl": {
    "h": 217.358,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29484,
    "c": 0.06578,
    "h": 259.9
  },
  "luminance": 0.02531
}

Semantic roles & 50–950 ramp

primary

#182C4D

secondary

#84693D

accent

#A64CDC

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #182C4D

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

Preview Lab → · Contrast checker → · Palette generator →