#182A6E#182A6E

#182A6E is a dark, vivid blue. Relative luminance 0.030; OKLCH L 31.7% C 0.120 H 267.6°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#182A6E
RGB	rgb(24, 42, 110)
HSL	hsl(227, 64%, 26%)
HSV	hsv(227, 78%, 43%)
CMYK	cmyk(78.2%, 61.8%, 0%, 56.9%)
CIE-LAB	lab(19.95, 19.24, -41.57)
CIE-LCH	lch(19.95, 45.81, 294.84°)
OKLab	oklab(31.72% -0.005 -0.12)
OKLCH	oklch(31.72% 0.12 267.6)
XYZ	xyz(4.0181, 2.9755, 15.1114)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A6E #6E5C18

analogous

#18556E #182A6E #31186E

triadic

#182A6E #6E182A #2A6E18

tetradic

#182A6E #6E1855 #6E5C18 #186E31

square

#182A6E #6E1855 #6E5C18 #186E31

split-complementary

#182A6E #6E3118 #556E18

monochromatic

#050A19 #0D173C #182A6E #233DA0 #2F51D2

Accessibility & contrast

On white

13.16

#182A6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#182A6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A6E

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A6E	#FFFFFF	#000000	##FFFFFF
##182A6E	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003470

Deuteranopia (green-blind)

#002C6D

Tritanopia (blue-blind)

#003B47

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #182a6e;
/* rgb */ color: rgb(24, 42, 110);
/* oklch */ color: oklch(31.7% 0.120 267.6);

Tailwind

colors: {
  custom: {
    50: '#636398',
    500: '#182a6e',
    950: '#000000',
  },
}

SCSS

$custom: #182a6e;
$custom-light: #636398;
$custom-dark: #000000;

JSON

{
  "hex": "#182a6e",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 110
  },
  "hsl": {
    "h": 227.442,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.31716,
    "c": 0.12012,
    "h": 267.6
  },
  "luminance": 0.02976
}

Semantic roles & 50–950 ramp

primary

#182A6E

secondary

#A48E3E

accent

#C441E7

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #182A6E

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

Preview Lab → · Contrast checker → · Palette generator →