#123573#123573

#123573 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.4% C 0.114 H 260.9°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#123573
RGB	rgb(18, 53, 115)
HSL	hsl(218, 73%, 26%)
HSV	hsv(218, 84%, 45%)
CMYK	cmyk(84.3%, 53.9%, 0%, 54.9%)
CIE-LAB	lab(23.38, 12.69, -39.22)
CIE-LCH	lch(23.38, 41.22, 287.92°)
OKLab	oklab(34.37% -0.0182 -0.113)
OKLCH	oklch(34.37% 0.114 260.9)
XYZ	xyz(4.6159, 3.9121, 16.7282)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123573 #735012

analogous

#126573 #123573 #201273

triadic

#123573 #731235 #357312

tetradic

#123573 #731265 #735012 #127320

square

#123573 #731265 #735012 #127320

split-complementary

#123573 #732012 #657312

monochromatic

#040C1A #0A1D3E #123573 #1A4DA8 #2366DD

Accessibility & contrast

On white

11.78

#123573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#123573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123573

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123573	#FFFFFF	#000000	##FFFFFF
##123573	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3C75

Deuteranopia (green-blind)

#003472

Tritanopia (blue-blind)

#00444E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #123573;
/* rgb */ color: rgb(18, 53, 115);
/* oklch */ color: oklch(34.4% 0.114 260.9);

Tailwind

colors: {
  custom: {
    50: '#626b9c',
    500: '#123573',
    950: '#000000',
  },
}

SCSS

$custom: #123573;
$custom-light: #626b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#123573",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 115
  },
  "hsl": {
    "h": 218.351,
    "s": 72.932,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34371,
    "c": 0.11445,
    "h": 260.9
  },
  "luminance": 0.03913
}

Semantic roles & 50–950 ramp

primary

#123573

secondary

#AA8037

accent

#AD38F0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #123573

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

Preview Lab → · Contrast checker → · Palette generator →