#183073#183073

#183073 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.5% C 0.119 H 265.4°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#183073
RGB	rgb(24, 48, 115)
HSL	hsl(224, 65%, 27%)
HSV	hsv(224, 79%, 45%)
CMYK	cmyk(79.1%, 58.3%, 0%, 54.9%)
CIE-LAB	lab(22.11, 16.99, -41.27)
CIE-LCH	lch(22.11, 44.63, 292.37°)
OKLab	oklab(33.47% -0.0096 -0.119)
OKLCH	oklch(33.47% 0.119 265.4)
XYZ	xyz(4.5271, 3.5454, 16.6621)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183073 #735B18

analogous

#185E73 #183073 #2E1873

triadic

#183073 #731830 #307318

tetradic

#183073 #73185E #735B18 #18732E

square

#183073 #73185E #735B18 #18732E

split-complementary

#183073 #732E18 #5E7318

monochromatic

#050B19 #0D1B40 #183073 #2345A6 #315CD4

Accessibility & contrast

On white

12.29

#183073 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#183073 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183073

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183073	#FFFFFF	#000000	##FFFFFF
##183073	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003975

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183073;
/* rgb */ color: rgb(24, 48, 115);
/* oklch */ color: oklch(33.5% 0.119 265.4);

Tailwind

colors: {
  custom: {
    50: '#64679c',
    500: '#183073',
    950: '#000000',
  },
}

SCSS

$custom: #183073;
$custom-light: #64679c;
$custom-dark: #000000;

JSON

{
  "hex": "#183073",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 115
  },
  "hsl": {
    "h": 224.176,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.33471,
    "c": 0.11941,
    "h": 265.4
  },
  "luminance": 0.03546
}

Semantic roles & 50–950 ramp

primary

#183073

secondary

#A88C3F

accent

#BC3FE8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183073

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

Preview Lab → · Contrast checker → · Palette generator →