#182A6F#182A6F

#182A6F is a dark, vivid blue. Relative luminance 0.030; OKLCH L 31.8% C 0.122 H 267.6°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#182A6F
RGB	rgb(24, 42, 111)
HSL	hsl(228, 64%, 26%)
HSV	hsv(228, 78%, 44%)
CMYK	cmyk(78.4%, 62.2%, 0%, 56.5%)
CIE-LAB	lab(20.03, 19.65, -42.08)
CIE-LCH	lch(20.03, 46.44, 295.03°)
OKLab	oklab(31.81% -0.005 -0.1215)
OKLCH	oklch(31.81% 0.122 267.6)
XYZ	xyz(4.0729, 2.9974, 15.3997)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A6F #6F5D18

analogous

#18566F #182A6F #32186F

triadic

#182A6F #6F182A #2A6F18

tetradic

#182A6F #6F1856 #6F5D18 #186F32

square

#182A6F #6F1856 #6F5D18 #186F32

split-complementary

#182A6F #6F3218 #566F18

monochromatic

#050A19 #0D173D #182A6F #233DA1 #2F51D2

Accessibility & contrast

On white

13.13

#182A6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#182A6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A6F

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A6F	#FFFFFF	#000000	##FFFFFF
##182A6F	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003571

Deuteranopia (green-blind)

#002C6E

Tritanopia (blue-blind)

#003B48

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #182a6f;
/* rgb */ color: rgb(24, 42, 111);
/* oklch */ color: oklch(31.8% 0.122 267.6);

Tailwind

colors: {
  custom: {
    50: '#636399',
    500: '#182a6f',
    950: '#000000',
  },
}

SCSS

$custom: #182a6f;
$custom-light: #636399;
$custom-dark: #000000;

JSON

{
  "hex": "#182a6f",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 111
  },
  "hsl": {
    "h": 227.586,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.3181,
    "c": 0.12159,
    "h": 267.6
  },
  "luminance": 0.02998
}

Semantic roles & 50–950 ramp

primary

#182A6F

secondary

#A58F3E

accent

#C540E7

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #182A6F

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

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