#182E4D#182E4D

#182E4D is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.0% C 0.063 H 257.2°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#182E4D
RGB	rgb(24, 46, 77)
HSL	hsl(215, 52%, 20%)
HSV	hsv(215, 69%, 30%)
CMYK	cmyk(68.8%, 40.3%, 0%, 69.8%)
CIE-LAB	lab(18.73, 2.73, -21.72)
CIE-LCH	lch(18.73, 21.89, 277.15°)
OKLab	oklab(30.01% -0.014 -0.0616)
OKLCH	oklch(30.01% 0.063 257.2)
XYZ	xyz(2.6928, 2.6838, 7.3958)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E4D #4D3718

analogous

#18494D #182E4D #1C184D

triadic

#182E4D #4D182E #2E4D18

tetradic

#182E4D #4D1849 #4D3718 #184D1C

square

#182E4D #4D1849 #4D3718 #184D1C

split-complementary

#182E4D #4D1C18 #494D18

monochromatic

#070E17 #09121E #182E4D #274A7C #3566AA

Accessibility & contrast

On white

13.66

#182E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#182E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E4D

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E4D	#FFFFFF	#000000	##FFFFFF
##182E4D	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21304E

Deuteranopia (green-blind)

#192B4C

Tritanopia (blue-blind)

#003539

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182e4d;
/* rgb */ color: rgb(24, 46, 77);
/* oklch */ color: oklch(30.0% 0.063 257.2);

Tailwind

colors: {
  custom: {
    50: '#5b667f',
    500: '#182e4d',
    950: '#000000',
  },
}

SCSS

$custom: #182e4d;
$custom-light: #5b667f;
$custom-dark: #000000;

JSON

{
  "hex": "#182e4d",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 77
  },
  "hsl": {
    "h": 215.094,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.30005,
    "c": 0.06319,
    "h": 257.2
  },
  "luminance": 0.02684
}

Semantic roles & 50–950 ramp

primary

#182E4D

secondary

#84663D

accent

#A04CDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #182E4D

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

Preview Lab → · Contrast checker → · Palette generator →