#182E4E#182E4E

#182E4E is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.1% C 0.065 H 257.8°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#182E4E
RGB	rgb(24, 46, 78)
HSL	hsl(216, 53%, 20%)
HSV	hsv(216, 69%, 31%)
CMYK	cmyk(69.2%, 41%, 0%, 69.4%)
CIE-LAB	lab(18.79, 3.13, -22.30)
CIE-LCH	lch(18.79, 22.52, 277.99°)
OKLab	oklab(30.07% -0.0137 -0.0633)
OKLCH	oklch(30.07% 0.065 257.8)
XYZ	xyz(2.7283, 2.6980, 7.5832)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E4E #4E3818

analogous

#18494E #182E4E #1D184E

triadic

#182E4E #4E182E #2E4E18

tetradic

#182E4E #4E1849 #4E3818 #184E1D

square

#182E4E #4E1849 #4E3818 #184E1D

split-complementary

#182E4E #4E1D18 #494E18

monochromatic

#070E17 #0A121F #182E4E #264A7D #3565AC

Accessibility & contrast

On white

13.64

#182E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#182E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E4E

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E4E	#FFFFFF	#000000	##FFFFFF
##182E4E	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20304F

Deuteranopia (green-blind)

#192B4D

Tritanopia (blue-blind)

#00353A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182e4e;
/* rgb */ color: rgb(24, 46, 78);
/* oklch */ color: oklch(30.1% 0.065 257.8);

Tailwind

colors: {
  custom: {
    50: '#5b6680',
    500: '#182e4e',
    950: '#000000',
  },
}

SCSS

$custom: #182e4e;
$custom-light: #5b6680;
$custom-dark: #000000;

JSON

{
  "hex": "#182e4e",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 78
  },
  "hsl": {
    "h": 215.556,
    "s": 52.941,
    "l": 20
  },
  "oklch": {
    "l": 0.30073,
    "c": 0.06478,
    "h": 257.8
  },
  "luminance": 0.02698
}

Semantic roles & 50–950 ramp

primary

#182E4E

secondary

#85683D

accent

#A14BDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #182E4E

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

Preview Lab → · Contrast checker → · Palette generator →