#182F73#182F73

#182F73 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.3% C 0.121 H 265.8°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#182F73
RGB	rgb(24, 47, 115)
HSL	hsl(225, 65%, 27%)
HSV	hsv(225, 79%, 45%)
CMYK	cmyk(79.1%, 59.1%, 0%, 54.9%)
CIE-LAB	lab(21.82, 17.70, -41.75)
CIE-LCH	lch(21.82, 45.35, 292.98°)
OKLab	oklab(33.25% -0.0088 -0.1204)
OKLCH	oklch(33.25% 0.121 265.8)
XYZ	xyz(4.4866, 3.4645, 16.6486)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F73 #735C18

analogous

#185D73 #182F73 #2E1873

triadic

#182F73 #73182F #2F7318

tetradic

#182F73 #73185D #735C18 #18732E

square

#182F73 #73185D #735C18 #18732E

split-complementary

#182F73 #732E18 #5D7318

monochromatic

#050A19 #0D1A40 #182F73 #2344A6 #315AD4

Accessibility & contrast

On white

12.40

#182F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#182F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F73

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F73	#FFFFFF	#000000	##FFFFFF
##182F73	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003975

Deuteranopia (green-blind)

#003072

Tritanopia (blue-blind)

#00404C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #182f73;
/* rgb */ color: rgb(24, 47, 115);
/* oklch */ color: oklch(33.3% 0.121 265.8);

Tailwind

colors: {
  custom: {
    50: '#64679c',
    500: '#182f73',
    950: '#000000',
  },
}

SCSS

$custom: #182f73;
$custom-light: #64679c;
$custom-dark: #000000;

JSON

{
  "hex": "#182f73",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 115
  },
  "hsl": {
    "h": 224.835,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.33251,
    "c": 0.12076,
    "h": 265.8
  },
  "luminance": 0.03465
}

Semantic roles & 50–950 ramp

primary

#182F73

secondary

#A88E3F

accent

#BE3FE8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #182F73

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

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