#182B6F#182B6F

#182B6F is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.0% C 0.120 H 267.2°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#182B6F
RGB	rgb(24, 43, 111)
HSL	hsl(227, 64%, 26%)
HSV	hsv(227, 78%, 44%)
CMYK	cmyk(78.4%, 61.3%, 0%, 56.5%)
CIE-LAB	lab(20.32, 18.93, -41.61)
CIE-LCH	lch(20.32, 45.72, 294.47°)
OKLab	oklab(32.02% -0.0058 -0.1201)
OKLCH	oklch(32.02% 0.12 267.2)
XYZ	xyz(4.1088, 3.0692, 15.4117)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B6F #6F5C18

analogous

#18576F #182B6F #31186F

triadic

#182B6F #6F182B #2B6F18

tetradic

#182B6F #6F1857 #6F5C18 #186F31

square

#182B6F #6F1857 #6F5C18 #186F31

split-complementary

#182B6F #6F3118 #576F18

monochromatic

#050A19 #0D183D #182B6F #233EA1 #2F53D2

Accessibility & contrast

On white

13.01

#182B6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#182B6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B6F

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B6F	#FFFFFF	#000000	##FFFFFF
##182B6F	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003571

Deuteranopia (green-blind)

#002D6E

Tritanopia (blue-blind)

#003C48

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #182b6f;
/* rgb */ color: rgb(24, 43, 111);
/* oklch */ color: oklch(32.0% 0.120 267.2);

Tailwind

colors: {
  custom: {
    50: '#636499',
    500: '#182b6f',
    950: '#000000',
  },
}

SCSS

$custom: #182b6f;
$custom-light: #636499;
$custom-dark: #000000;

JSON

{
  "hex": "#182b6f",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 111
  },
  "hsl": {
    "h": 226.897,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.32023,
    "c": 0.12024,
    "h": 267.2
  },
  "luminance": 0.0307
}

Semantic roles & 50–950 ramp

primary

#182B6F

secondary

#A58E3E

accent

#C340E7

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #182B6F

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

Preview Lab → · Contrast checker → · Palette generator →