#182C4A#182C4A

#182C4A is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.3% C 0.061 H 258.3°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#182C4A
RGB	rgb(24, 44, 74)
HSL	hsl(216, 51%, 19%)
HSV	hsv(216, 68%, 29%)
CMYK	cmyk(67.6%, 40.5%, 0%, 71%)
CIE-LAB	lab(17.87, 2.96, -21.05)
CIE-LCH	lch(17.87, 21.25, 277.99°)
OKLab	oklab(29.28% -0.0124 -0.0597)
OKLCH	oklch(29.28% 0.061 258.3)
XYZ	xyz(2.5130, 2.4897, 6.8254)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C4A #4A3618

analogous

#18454A #182C4A #1D184A

triadic

#182C4A #4A182C #2C4A18

tetradic

#182C4A #4A1845 #4A3618 #184A1D

square

#182C4A #4A1845 #4A3618 #184A1D

split-complementary

#182C4A #4A1D18 #454A18

monochromatic

#070E17 #09111C #182C4A #274778 #3663A6

Accessibility & contrast

On white

14.02

#182C4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#182C4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C4A

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C4A	#FFFFFF	#000000	##FFFFFF
##182C4A	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F2E4B

Deuteranopia (green-blind)

#182A49

Tritanopia (blue-blind)

#003337

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182c4a;
/* rgb */ color: rgb(24, 44, 74);
/* oklch */ color: oklch(29.3% 0.061 258.3);

Tailwind

colors: {
  custom: {
    50: '#5a647c',
    500: '#182c4a',
    950: '#000000',
  },
}

SCSS

$custom: #182c4a;
$custom-light: #5a647c;
$custom-dark: #000000;

JSON

{
  "hex": "#182c4a",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 74
  },
  "hsl": {
    "h": 216,
    "s": 51.02,
    "l": 19.216
  },
  "oklch": {
    "l": 0.29278,
    "c": 0.06094,
    "h": 258.3
  },
  "luminance": 0.0249
}

Semantic roles & 50–950 ramp

primary

#182C4A

secondary

#81663D

accent

#A24DDA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040509

muted

#797A7B

Preview Lab

Preview with #182C4A

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

Preview Lab → · Contrast checker → · Palette generator →