#182A4D#182A4D

#182A4D is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.0% C 0.068 H 262.4°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#182A4D
RGB	rgb(24, 42, 77)
HSL	hsl(220, 52%, 20%)
HSV	hsv(220, 69%, 30%)
CMYK	cmyk(68.8%, 45.5%, 0%, 69.8%)
CIE-LAB	lab(17.39, 5.62, -23.84)
CIE-LCH	lch(17.39, 24.50, 283.26°)
OKLab	oklab(28.97% -0.0091 -0.0679)
OKLCH	oklch(28.97% 0.068 262.4)
XYZ	xyz(2.5437, 2.3857, 7.3462)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A4D #4D3B18

analogous

#18444D #182A4D #21184D

triadic

#182A4D #4D182A #2A4D18

tetradic

#182A4D #4D1844 #4D3B18 #184D21

square

#182A4D #4D1844 #4D3B18 #184D21

split-complementary

#182A4D #4D2118 #444D18

monochromatic

#070D17 #09111E #182A4D #27437C #355DAA

Accessibility & contrast

On white

14.22

#182A4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#182A4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A4D

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A4D	#FFFFFF	#000000	##FFFFFF
##182A4D	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2D4E

Deuteranopia (green-blind)

#13284C

Tritanopia (blue-blind)

#003237

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #182a4d;
/* rgb */ color: rgb(24, 42, 77);
/* oklch */ color: oklch(29.0% 0.068 262.4);

Tailwind

colors: {
  custom: {
    50: '#5b637f',
    500: '#182a4d',
    950: '#000000',
  },
}

SCSS

$custom: #182a4d;
$custom-light: #5b637f;
$custom-dark: #000000;

JSON

{
  "hex": "#182a4d",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 77
  },
  "hsl": {
    "h": 219.623,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.28969,
    "c": 0.06848,
    "h": 262.4
  },
  "luminance": 0.02386
}

Semantic roles & 50–950 ramp

primary

#182A4D

secondary

#846C3D

accent

#AB4CDC

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #182A4D

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

Preview Lab → · Contrast checker → · Palette generator →