#182A53#182A53

#182A53 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.4% C 0.078 H 264.3°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#182A53
RGB	rgb(24, 42, 83)
HSL	hsl(222, 55%, 21%)
HSV	hsv(222, 71%, 33%)
CMYK	cmyk(71.1%, 49.4%, 0%, 67.5%)
CIE-LAB	lab(17.80, 8.08, -27.24)
CIE-LCH	lch(17.80, 28.42, 286.53°)
OKLab	oklab(29.42% -0.0078 -0.0779)
OKLCH	oklch(29.42% 0.078 264.3)
XYZ	xyz(2.7654, 2.4744, 8.5138)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A53 #534118

analogous

#184753 #182A53 #231853

triadic

#182A53 #53182A #2A5318

tetradic

#182A53 #531847 #534118 #185323

square

#182A53 #531847 #534118 #185323

split-complementary

#182A53 #532318 #475318

monochromatic

#070C18 #0A1224 #182A53 #264282 #335AB2

Accessibility & contrast

On white

14.05

#182A53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#182A53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A53

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A53	#FFFFFF	#000000	##FFFFFF
##182A53	1.00	14.05	1.50	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162E55

Deuteranopia (green-blind)

#0C2952

Tritanopia (blue-blind)

#00333A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182a53;
/* rgb */ color: rgb(24, 42, 83);
/* oklch */ color: oklch(29.4% 0.078 264.3);

Tailwind

colors: {
  custom: {
    50: '#5c6384',
    500: '#182a53',
    950: '#000000',
  },
}

SCSS

$custom: #182a53;
$custom-light: #5c6384;
$custom-dark: #000000;

JSON

{
  "hex": "#182a53",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 83
  },
  "hsl": {
    "h": 221.695,
    "s": 55.14,
    "l": 20.98
  },
  "oklch": {
    "l": 0.29416,
    "c": 0.07825,
    "h": 264.3
  },
  "luminance": 0.02475
}

Semantic roles & 50–950 ramp

primary

#182A53

secondary

#8A723D

accent

#B149DE

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #182A53

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

Preview Lab → · Contrast checker → · Palette generator →