#182F68#182F68

#182F68 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.3% C 0.104 H 264.6°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#182F68
RGB	rgb(24, 47, 104)
HSL	hsl(223, 63%, 25%)
HSV	hsv(223, 77%, 41%)
CMYK	cmyk(76.9%, 54.8%, 0%, 59.2%)
CIE-LAB	lab(20.93, 13.15, -36.09)
CIE-LCH	lch(20.93, 38.41, 290.02°)
OKLab	oklab(32.3% -0.0097 -0.1038)
OKLCH	oklch(32.3% 0.104 264.6)
XYZ	xyz(3.8910, 3.2263, 13.5117)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F68 #685118

analogous

#185768 #182F68 #291868

triadic

#182F68 #68182F #2F6818

tetradic

#182F68 #681857 #685118 #186829

square

#182F68 #681857 #685118 #186829

split-complementary

#182F68 #682918 #576818

monochromatic

#060B19 #0D1936 #182F68 #23459A #2F5CCB

Accessibility & contrast

On white

12.76

#182F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#182F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F68

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F68	#FFFFFF	#000000	##FFFFFF
##182F68	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A366A

Deuteranopia (green-blind)

#002F67

Tritanopia (blue-blind)

#003D46

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #182f68;
/* rgb */ color: rgb(24, 47, 104);
/* oklch */ color: oklch(32.3% 0.104 264.6);

Tailwind

colors: {
  custom: {
    50: '#616794',
    500: '#182f68',
    950: '#000000',
  },
}

SCSS

$custom: #182f68;
$custom-light: #616794;
$custom-dark: #000000;

JSON

{
  "hex": "#182f68",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 104
  },
  "hsl": {
    "h": 222.75,
    "s": 62.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.323,
    "c": 0.10424,
    "h": 264.6
  },
  "luminance": 0.03227
}

Semantic roles & 50–950 ramp

primary

#182F68

secondary

#9E823E

accent

#B742E6

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #182F68

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

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