#182B48#182B48

#182B48 is a dark, muted blue. Relative luminance 0.024; OKLCH L 28.9% C 0.059 H 258.6°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#182B48
RGB	rgb(24, 43, 72)
HSL	hsl(216, 50%, 19%)
HSV	hsv(216, 67%, 28%)
CMYK	cmyk(66.7%, 40.3%, 0%, 71.8%)
CIE-LAB	lab(17.41, 2.87, -20.41)
CIE-LCH	lch(17.41, 20.62, 278.01°)
OKLab	oklab(28.88% -0.0117 -0.0578)
OKLCH	oklch(28.88% 0.059 258.6)
XYZ	xyz(2.4099, 2.3896, 6.4639)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B48 #483518

analogous

#184348 #182B48 #1D1848

triadic

#182B48 #48182B #2B4818

tetradic

#182B48 #481843 #483518 #18481D

square

#182B48 #481843 #483518 #18481D

split-complementary

#182B48 #481D18 #434818

monochromatic

#080E17 #09101A #182B48 #274676 #3762A4

Accessibility & contrast

On white

14.21

#182B48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#182B48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B48

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B48	#FFFFFF	#000000	##FFFFFF
##182B48	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F2D49

Deuteranopia (green-blind)

#182947

Tritanopia (blue-blind)

#003236

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #182b48;
/* rgb */ color: rgb(24, 43, 72);
/* oklch */ color: oklch(28.9% 0.059 258.6);

Tailwind

colors: {
  custom: {
    50: '#5a647b',
    500: '#182b48',
    950: '#000000',
  },
}

SCSS

$custom: #182b48;
$custom-light: #5a647b;
$custom-dark: #000000;

JSON

{
  "hex": "#182b48",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 72
  },
  "hsl": {
    "h": 216.25,
    "s": 50,
    "l": 18.824
  },
  "oklch": {
    "l": 0.2888,
    "c": 0.05899,
    "h": 258.6
  },
  "luminance": 0.0239
}

Semantic roles & 50–950 ramp

primary

#182B48

secondary

#7F653D

accent

#A24EDA

background

#F5F5F7

surface

#E9EAED

border

#C5C6C8

text

#040509

muted

#79797B

Preview Lab

Preview with #182B48

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

Preview Lab → · Contrast checker → · Palette generator →