#182A5D#182A5D

#182A5D is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.2% C 0.094 H 266.2°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#182A5D
RGB	rgb(24, 42, 93)
HSL	hsl(224, 59%, 23%)
HSV	hsv(224, 74%, 36%)
CMYK	cmyk(74.2%, 54.8%, 0%, 63.5%)
CIE-LAB	lab(18.54, 12.23, -32.73)
CIE-LCH	lch(18.54, 34.94, 290.48°)
OKLab	oklab(30.22% -0.0062 -0.094)
OKLCH	oklch(30.22% 0.094 266.2)
XYZ	xyz(3.1797, 2.6401, 10.6958)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A5D #5D4B18

analogous

#184C5D #182A5D #28185D

triadic

#182A5D #5D182A #2A5D18

tetradic

#182A5D #5D184C #5D4B18 #185D28

square

#182A5D #5D184C #5D4B18 #185D28

split-complementary

#182A5D #5D2818 #4C5D18

monochromatic

#060B18 #0B142C #182A5D #25408E #3156BE

Accessibility & contrast

On white

13.74

#182A5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#182A5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A5D

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A5D	#FFFFFF	#000000	##FFFFFF
##182A5D	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B305F

Deuteranopia (green-blind)

#002A5C

Tritanopia (blue-blind)

#00363F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182a5d;
/* rgb */ color: rgb(24, 42, 93);
/* oklch */ color: oklch(30.2% 0.094 266.2);

Tailwind

colors: {
  custom: {
    50: '#5f638b',
    500: '#182a5d',
    950: '#000000',
  },
}

SCSS

$custom: #182a5d;
$custom-light: #5f638b;
$custom-dark: #000000;

JSON

{
  "hex": "#182a5d",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 93
  },
  "hsl": {
    "h": 224.348,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.30216,
    "c": 0.0942,
    "h": 266.2
  },
  "luminance": 0.0264
}

Semantic roles & 50–950 ramp

primary

#182A5D

secondary

#937D3D

accent

#B946E2

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #182A5D

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

Preview Lab → · Contrast checker → · Palette generator →