#182C55#182C55

#182C55 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.1% C 0.079 H 263.0°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#182C55
RGB	rgb(24, 44, 85)
HSL	hsl(220, 56%, 21%)
HSV	hsv(220, 72%, 33%)
CMYK	cmyk(71.8%, 48.2%, 0%, 66.7%)
CIE-LAB	lab(18.59, 7.44, -27.33)
CIE-LCH	lch(18.59, 28.32, 285.24°)
OKLab	oklab(30.07% -0.0096 -0.0781)
OKLCH	oklch(30.07% 0.079 263)
XYZ	xyz(2.9165, 2.6512, 8.9506)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C55 #554118

analogous

#184B55 #182C55 #231855

triadic

#182C55 #55182C #2C5518

tetradic

#182C55 #55184B #554118 #185523

square

#182C55 #55184B #554118 #185523

split-complementary

#182C55 #552318 #4B5518

monochromatic

#070C18 #0B1325 #182C55 #254585 #335DB4

Accessibility & contrast

On white

13.72

#182C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#182C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C55

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C55	#FFFFFF	#000000	##FFFFFF
##182C55	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183057

Deuteranopia (green-blind)

#0E2B54

Tritanopia (blue-blind)

#00353C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182c55;
/* rgb */ color: rgb(24, 44, 85);
/* oklch */ color: oklch(30.1% 0.079 263.0);

Tailwind

colors: {
  custom: {
    50: '#5d6485',
    500: '#182c55',
    950: '#000000',
  },
}

SCSS

$custom: #182c55;
$custom-light: #5d6485;
$custom-dark: #000000;

JSON

{
  "hex": "#182c55",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 85
  },
  "hsl": {
    "h": 220.328,
    "s": 55.963,
    "l": 21.373
  },
  "oklch": {
    "l": 0.30065,
    "c": 0.07866,
    "h": 263
  },
  "luminance": 0.02651
}

Semantic roles & 50–950 ramp

primary

#182C55

secondary

#8C723D

accent

#AE49DF

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #182C55

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

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