#182C5C#182C5C

#182C5C is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.6% C 0.090 H 264.6°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#182C5C
RGB	rgb(24, 44, 92)
HSL	hsl(222, 59%, 23%)
HSV	hsv(222, 74%, 36%)
CMYK	cmyk(73.9%, 52.2%, 0%, 63.9%)
CIE-LAB	lab(19.09, 10.35, -31.18)
CIE-LCH	lch(19.09, 32.85, 288.36°)
OKLab	oklab(30.61% -0.0084 -0.0894)
OKLCH	oklch(30.61% 0.09 264.6)
XYZ	xyz(3.2085, 2.7679, 10.4883)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C5C #5C4818

analogous

#184E5C #182C5C #26185C

triadic

#182C5C #5C182C #2C5C18

tetradic

#182C5C #5C184E #5C4818 #185C26

square

#182C5C #5C184E #5C4818 #185C26

split-complementary

#182C5C #5C2618 #4E5C18

monochromatic

#060C18 #0B152B #182C5C #25438D #315ABD

Accessibility & contrast

On white

13.52

#182C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#182C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C5C

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C5C	#FFFFFF	#000000	##FFFFFF
##182C5C	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12325E

Deuteranopia (green-blind)

#022B5B

Tritanopia (blue-blind)

#00373F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182c5c;
/* rgb */ color: rgb(24, 44, 92);
/* oklch */ color: oklch(30.6% 0.090 264.6);

Tailwind

colors: {
  custom: {
    50: '#5e648a',
    500: '#182c5c',
    950: '#000000',
  },
}

SCSS

$custom: #182c5c;
$custom-light: #5e648a;
$custom-dark: #000000;

JSON

{
  "hex": "#182c5c",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 92
  },
  "hsl": {
    "h": 222.353,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.3061,
    "c": 0.0898,
    "h": 264.6
  },
  "luminance": 0.02768
}

Semantic roles & 50–950 ramp

primary

#182C5C

secondary

#93793D

accent

#B446E2

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #182C5C

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

Preview Lab → · Contrast checker → · Palette generator →