#182E50#182E50

#182E50 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.2% C 0.068 H 258.8°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#182E50
RGB	rgb(24, 46, 80)
HSL	hsl(216, 54%, 20%)
HSV	hsv(216, 70%, 31%)
CMYK	cmyk(70%, 42.5%, 0%, 68.6%)
CIE-LAB	lab(18.92, 3.94, -23.45)
CIE-LCH	lch(18.92, 23.78, 279.54°)
OKLab	oklab(30.21% -0.0132 -0.0667)
OKLCH	oklch(30.21% 0.068 258.8)
XYZ	xyz(2.8011, 2.7271, 7.9666)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E50 #503A18

analogous

#184A50 #182E50 #1E1850

triadic

#182E50 #50182E #2E5018

tetradic

#182E50 #50184A #503A18 #18501E

square

#182E50 #50184A #503A18 #18501E

split-complementary

#182E50 #501E18 #4A5018

monochromatic

#070E18 #0A1321 #182E50 #26497F #3464AE

Accessibility & contrast

On white

13.59

#182E50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#182E50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E50

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E50	#FFFFFF	#000000	##FFFFFF
##182E50	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3151

Deuteranopia (green-blind)

#172C4F

Tritanopia (blue-blind)

#00363B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182e50;
/* rgb */ color: rgb(24, 46, 80);
/* oklch */ color: oklch(30.2% 0.068 258.8);

Tailwind

colors: {
  custom: {
    50: '#5c6681',
    500: '#182e50',
    950: '#000000',
  },
}

SCSS

$custom: #182e50;
$custom-light: #5c6681;
$custom-dark: #000000;

JSON

{
  "hex": "#182e50",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 80
  },
  "hsl": {
    "h": 216.429,
    "s": 53.846,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30211,
    "c": 0.06796,
    "h": 258.8
  },
  "luminance": 0.02727
}

Semantic roles & 50–950 ramp

primary

#182E50

secondary

#876A3D

accent

#A44BDD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #182E50

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

Preview Lab → · Contrast checker → · Palette generator →