#183273#183273

#183273 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.9% C 0.117 H 264.5°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#183273
RGB	rgb(24, 50, 115)
HSL	hsl(223, 65%, 27%)
HSV	hsv(223, 79%, 45%)
CMYK	cmyk(79.1%, 56.5%, 0%, 54.9%)
CIE-LAB	lab(22.70, 15.55, -40.32)
CIE-LCH	lch(22.70, 43.21, 291.09°)
OKLab	oklab(33.92% -0.0112 -0.1162)
OKLCH	oklch(33.92% 0.117 264.5)
XYZ	xyz(4.6107, 3.7127, 16.6900)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183273 #735918

analogous

#186073 #183273 #2B1873

triadic

#183273 #731832 #327318

tetradic

#183273 #731860 #735918 #18732B

square

#183273 #731860 #735918 #18732B

split-complementary

#183273 #732B18 #607318

monochromatic

#050B19 #0D1C40 #183273 #2348A6 #3160D4

Accessibility & contrast

On white

12.05

#183273 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#183273 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183273

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183273	#FFFFFF	#000000	##FFFFFF
##183273	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B75

Deuteranopia (green-blind)

#003272

Tritanopia (blue-blind)

#00424D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183273;
/* rgb */ color: rgb(24, 50, 115);
/* oklch */ color: oklch(33.9% 0.117 264.5);

Tailwind

colors: {
  custom: {
    50: '#64699c',
    500: '#183273',
    950: '#000000',
  },
}

SCSS

$custom: #183273;
$custom-light: #64699c;
$custom-dark: #000000;

JSON

{
  "hex": "#183273",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 115
  },
  "hsl": {
    "h": 222.857,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.33917,
    "c": 0.11671,
    "h": 264.5
  },
  "luminance": 0.03713
}

Semantic roles & 50–950 ramp

primary

#183273

secondary

#A88A3F

accent

#B83FE8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183273

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

Preview Lab → · Contrast checker → · Palette generator →