#182C56#182C56

#182C56 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.1% C 0.080 H 263.2°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#182C56
RGB	rgb(24, 44, 86)
HSL	hsl(221, 56%, 22%)
HSV	hsv(221, 72%, 34%)
CMYK	cmyk(72.1%, 48.8%, 0%, 66.3%)
CIE-LAB	lab(18.66, 7.86, -27.88)
CIE-LCH	lch(18.66, 28.97, 285.74°)
OKLab	oklab(30.14% -0.0094 -0.0797)
OKLCH	oklch(30.14% 0.08 263.2)
XYZ	xyz(2.9565, 2.6672, 9.1613)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C56 #564218

analogous

#184B56 #182C56 #231856

triadic

#182C56 #56182C #2C5618

tetradic

#182C56 #56184B #564218 #185623

square

#182C56 #56184B #564218 #185623

split-complementary

#182C56 #562318 #4B5618

monochromatic

#070C18 #0B1426 #182C56 #254486 #335DB6

Accessibility & contrast

On white

13.70

#182C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#182C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C56

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C56	#FFFFFF	#000000	##FFFFFF
##182C56	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173058

Deuteranopia (green-blind)

#0C2B55

Tritanopia (blue-blind)

#00363C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182c56;
/* rgb */ color: rgb(24, 44, 86);
/* oklch */ color: oklch(30.1% 0.080 263.2);

Tailwind

colors: {
  custom: {
    50: '#5d6486',
    500: '#182c56',
    950: '#000000',
  },
}

SCSS

$custom: #182c56;
$custom-light: #5d6486;
$custom-dark: #000000;

JSON

{
  "hex": "#182c56",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 86
  },
  "hsl": {
    "h": 220.645,
    "s": 56.364,
    "l": 21.569
  },
  "oklch": {
    "l": 0.30141,
    "c": 0.08027,
    "h": 263.2
  },
  "luminance": 0.02667
}

Semantic roles & 50–950 ramp

primary

#182C56

secondary

#8D733D

accent

#AF48E0

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#05050B

muted

#79797C

Preview Lab

Preview with #182C56

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

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