#182F5D#182F5D

#182F5D is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.4% C 0.087 H 262.5°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#182F5D
RGB	rgb(24, 47, 93)
HSL	hsl(220, 59%, 23%)
HSV	hsv(220, 74%, 36%)
CMYK	cmyk(74.2%, 49.5%, 0%, 63.5%)
CIE-LAB	lab(20.11, 8.58, -30.20)
CIE-LCH	lch(20.11, 31.39, 285.85°)
OKLab	oklab(31.42% -0.0114 -0.0865)
OKLCH	oklch(31.42% 0.087 262.5)
XYZ	xyz(3.3683, 3.0172, 10.7587)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F5D #5D4618

analogous

#18515D #182F5D #23185D

triadic

#182F5D #5D182F #2F5D18

tetradic

#182F5D #5D1851 #5D4618 #185D23

square

#182F5D #5D1851 #5D4618 #185D23

split-complementary

#182F5D #5D2318 #515D18

monochromatic

#060C18 #0B162C #182F5D #25488E #3160BE

Accessibility & contrast

On white

13.10

#182F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#182F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F5D

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F5D	#FFFFFF	#000000	##FFFFFF
##182F5D	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18345F

Deuteranopia (green-blind)

#092E5C

Tritanopia (blue-blind)

#003A41

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #182f5d;
/* rgb */ color: rgb(24, 47, 93);
/* oklch */ color: oklch(31.4% 0.087 262.5);

Tailwind

colors: {
  custom: {
    50: '#5e678b',
    500: '#182f5d',
    950: '#000000',
  },
}

SCSS

$custom: #182f5d;
$custom-light: #5e678b;
$custom-dark: #000000;

JSON

{
  "hex": "#182f5d",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 93
  },
  "hsl": {
    "h": 220,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.31417,
    "c": 0.08721,
    "h": 262.5
  },
  "luminance": 0.03018
}

Semantic roles & 50–950 ramp

primary

#182F5D

secondary

#93773D

accent

#AE46E2

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #182F5D

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

Preview Lab → · Contrast checker → · Palette generator →