#182C53#182C53

#182C53 is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.9% C 0.075 H 262.3°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#182C53
RGB	rgb(24, 44, 83)
HSL	hsl(220, 55%, 21%)
HSV	hsv(220, 71%, 33%)
CMYK	cmyk(71.1%, 47%, 0%, 67.5%)
CIE-LAB	lab(18.45, 6.62, -26.20)
CIE-LCH	lch(18.45, 27.03, 284.18°)
OKLab	oklab(29.92% -0.0101 -0.0748)
OKLCH	oklch(29.92% 0.075 262.3)
XYZ	xyz(2.8382, 2.6198, 8.5380)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C53 #533F18

analogous

#184953 #182C53 #211853

triadic

#182C53 #53182C #2C5318

tetradic

#182C53 #531849 #533F18 #185321

square

#182C53 #531849 #533F18 #185321

split-complementary

#182C53 #532118 #495318

monochromatic

#070D18 #0A1324 #182C53 #264582 #335EB2

Accessibility & contrast

On white

13.78

#182C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#182C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C53

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C53	#FFFFFF	#000000	##FFFFFF
##182C53	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3055

Deuteranopia (green-blind)

#102A52

Tritanopia (blue-blind)

#00353B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182c53;
/* rgb */ color: rgb(24, 44, 83);
/* oklch */ color: oklch(29.9% 0.075 262.3);

Tailwind

colors: {
  custom: {
    50: '#5c6483',
    500: '#182c53',
    950: '#000000',
  },
}

SCSS

$custom: #182c53;
$custom-light: #5c6483;
$custom-dark: #000000;

JSON

{
  "hex": "#182c53",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 83
  },
  "hsl": {
    "h": 219.661,
    "s": 55.14,
    "l": 20.98
  },
  "oklch": {
    "l": 0.29915,
    "c": 0.07545,
    "h": 262.3
  },
  "luminance": 0.0262
}

Semantic roles & 50–950 ramp

primary

#182C53

secondary

#8A703D

accent

#AC49DE

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #182C53

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

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