#182B64#182B64

#182B64 is a dark, moderate blue. Relative luminance 0.028; OKLCH L 31.0% C 0.104 H 266.4°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#182B64
RGB	rgb(24, 43, 100)
HSL	hsl(225, 61%, 24%)
HSV	hsv(225, 76%, 39%)
CMYK	cmyk(76%, 57%, 0%, 60.8%)
CIE-LAB	lab(19.40, 14.40, -35.95)
CIE-LCH	lch(19.40, 38.73, 291.82°)
OKLab	oklab(31.04% -0.0064 -0.1035)
OKLCH	oklch(31.04% 0.104 266.4)
XYZ	xyz(3.5400, 2.8417, 12.4161)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B64 #645118

analogous

#185164 #182B64 #2B1864

triadic

#182B64 #64182B #2B6418

tetradic

#182B64 #641851 #645118 #18642B

square

#182B64 #641851 #645118 #18642B

split-complementary

#182B64 #642B18 #516418

monochromatic

#060B19 #0C1633 #182B64 #244095 #3055C7

Accessibility & contrast

On white

13.39

#182B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#182B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B64

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B64	#FFFFFF	#000000	##FFFFFF
##182B64	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023366

Deuteranopia (green-blind)

#002C63

Tritanopia (blue-blind)

#003943

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #182b64;
/* rgb */ color: rgb(24, 43, 100);
/* oklch */ color: oklch(31.0% 0.104 266.4);

Tailwind

colors: {
  custom: {
    50: '#606391',
    500: '#182b64',
    950: '#000000',
  },
}

SCSS

$custom: #182b64;
$custom-light: #606391;
$custom-dark: #000000;

JSON

{
  "hex": "#182b64",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 100
  },
  "hsl": {
    "h": 225,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.31041,
    "c": 0.10367,
    "h": 266.4
  },
  "luminance": 0.02842
}

Semantic roles & 50–950 ramp

primary

#182B64

secondary

#9A833E

accent

#BC43E4

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#05050D

muted

#7A797D

Preview Lab

Preview with #182B64

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

Preview Lab → · Contrast checker → · Palette generator →