#182F90#182F90

#182F90 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.162 H 266.9°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#182F90
RGB	rgb(24, 47, 144)
HSL	hsl(229, 71%, 33%)
HSV	hsv(229, 83%, 56%)
CMYK	cmyk(83.3%, 67.4%, 0%, 43.5%)
CIE-LAB	lab(24.45, 29.33, -55.69)
CIE-LCH	lch(24.45, 62.94, 297.78°)
OKLab	oklab(36.02% -0.0088 -0.1613)
OKLCH	oklch(36.02% 0.162 266.9)
XYZ	xyz(6.4255, 4.2401, 26.8599)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F90 #907918

analogous

#186B90 #182F90 #3D1890

triadic

#182F90 #90182F #2F9018

tetradic

#182F90 #90186B #907918 #18903D

square

#182F90 #90186B #907918 #18903D

split-complementary

#182F90 #903D18 #6B9018

monochromatic

#070D27 #0F1E5C #182F90 #2140C4 #4361E0

Accessibility & contrast

On white

11.36

#182F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#182F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F90

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F90	#FFFFFF	#000000	##FFFFFF
##182F90	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004093

Deuteranopia (green-blind)

#00348E

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #182f90;
/* rgb */ color: rgb(24, 47, 144);
/* oklch */ color: oklch(36.0% 0.162 266.9);

Tailwind

colors: {
  custom: {
    50: '#6c67b1',
    500: '#182f90',
    950: '#000000',
  },
}

SCSS

$custom: #182f90;
$custom-light: #6c67b1;
$custom-dark: #000000;

JSON

{
  "hex": "#182f90",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 144
  },
  "hsl": {
    "h": 228.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36019,
    "c": 0.16155,
    "h": 266.9
  },
  "luminance": 0.04241
}

Semantic roles & 50–950 ramp

primary

#182F90

secondary

#C0A843

accent

#CC3AEE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #182F90

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

Preview Lab → · Contrast checker → · Palette generator →