#182D64#182D64

#182D64 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.5% C 0.101 H 265.3°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#182D64
RGB	rgb(24, 45, 100)
HSL	hsl(223, 61%, 24%)
HSV	hsv(223, 76%, 39%)
CMYK	cmyk(76%, 55%, 0%, 60.8%)
CIE-LAB	lab(20.01, 12.94, -34.97)
CIE-LCH	lch(20.01, 37.29, 290.31°)
OKLab	oklab(31.5% -0.0083 -0.1005)
OKLCH	oklch(31.5% 0.101 265.3)
XYZ	xyz(3.6145, 2.9907, 12.4409)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D64 #644F18

analogous

#185364 #182D64 #291864

triadic

#182D64 #64182D #2D6418

tetradic

#182D64 #641853 #644F18 #186429

square

#182D64 #641853 #644F18 #186429

split-complementary

#182D64 #642918 #536418

monochromatic

#060B19 #0C1733 #182D64 #244395 #3059C7

Accessibility & contrast

On white

13.14

#182D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#182D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D64

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D64	#FFFFFF	#000000	##FFFFFF
##182D64	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A3466

Deuteranopia (green-blind)

#002D63

Tritanopia (blue-blind)

#003A43

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #182d64;
/* rgb */ color: rgb(24, 45, 100);
/* oklch */ color: oklch(31.5% 0.101 265.3);

Tailwind

colors: {
  custom: {
    50: '#606591',
    500: '#182d64',
    950: '#000000',
  },
}

SCSS

$custom: #182d64;
$custom-light: #606591;
$custom-dark: #000000;

JSON

{
  "hex": "#182d64",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 100
  },
  "hsl": {
    "h": 223.421,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.31502,
    "c": 0.10088,
    "h": 265.3
  },
  "luminance": 0.02991
}

Semantic roles & 50–950 ramp

primary

#182D64

secondary

#9A813E

accent

#B843E4

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05050D

muted

#7A7A7D

Preview Lab

Preview with #182D64

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

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