#182D73#182D73

#182D73 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.8% C 0.123 H 266.7°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#182D73
RGB	rgb(24, 45, 115)
HSL	hsl(226, 65%, 27%)
HSV	hsv(226, 79%, 45%)
CMYK	cmyk(79.1%, 60.9%, 0%, 54.9%)
CIE-LAB	lab(21.24, 19.14, -42.69)
CIE-LCH	lch(21.24, 46.78, 294.15°)
OKLab	oklab(32.82% -0.0072 -0.1232)
OKLCH	oklch(32.82% 0.123 266.7)
XYZ	xyz(4.4085, 3.3083, 16.6226)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D73 #735E18

analogous

#185B73 #182D73 #311873

triadic

#182D73 #73182D #2D7318

tetradic

#182D73 #73185B #735E18 #187331

square

#182D73 #73185B #735E18 #187331

split-complementary

#182D73 #733118 #5B7318

monochromatic

#050A19 #0D1940 #182D73 #2341A6 #3157D4

Accessibility & contrast

On white

12.64

#182D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#182D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D73

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D73	#FFFFFF	#000000	##FFFFFF
##182D73	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003775

Deuteranopia (green-blind)

#002F72

Tritanopia (blue-blind)

#003F4B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182d73;
/* rgb */ color: rgb(24, 45, 115);
/* oklch */ color: oklch(32.8% 0.123 266.7);

Tailwind

colors: {
  custom: {
    50: '#64659c',
    500: '#182d73',
    950: '#000000',
  },
}

SCSS

$custom: #182d73;
$custom-light: #64659c;
$custom-dark: #000000;

JSON

{
  "hex": "#182d73",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 115
  },
  "hsl": {
    "h": 226.154,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.32819,
    "c": 0.12344,
    "h": 266.7
  },
  "luminance": 0.03309
}

Semantic roles & 50–950 ramp

primary

#182D73

secondary

#A8903F

accent

#C13FE8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #182D73

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

Preview Lab → · Contrast checker → · Palette generator →