#123173#123173

#123173 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.5% C 0.120 H 262.8°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#123173
RGB	rgb(18, 49, 115)
HSL	hsl(221, 73%, 26%)
HSV	hsv(221, 84%, 45%)
CMYK	cmyk(84.3%, 57.4%, 0%, 54.9%)
CIE-LAB	lab(22.17, 15.57, -41.18)
CIE-LCH	lch(22.17, 44.03, 290.71°)
OKLab	oklab(33.45% -0.0151 -0.1188)
OKLCH	oklch(33.45% 0.12 262.8)
XYZ	xyz(4.4412, 3.5625, 16.6699)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123173 #735412

analogous

#126173 #123173 #231273

triadic

#123173 #731231 #317312

tetradic

#123173 #731261 #735412 #127323

square

#123173 #731261 #735412 #127323

split-complementary

#123173 #732312 #617312

monochromatic

#040B1A #0A1A3E #123173 #1A48A8 #235EDD

Accessibility & contrast

On white

12.26

#123173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#123173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123173

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123173	#FFFFFF	#000000	##FFFFFF
##123173	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A75

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#00414D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #123173;
/* rgb */ color: rgb(18, 49, 115);
/* oklch */ color: oklch(33.5% 0.120 262.8);

Tailwind

colors: {
  custom: {
    50: '#62689c',
    500: '#123173',
    950: '#000000',
  },
}

SCSS

$custom: #123173;
$custom-light: #62689c;
$custom-dark: #000000;

JSON

{
  "hex": "#123173",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 115
  },
  "hsl": {
    "h": 220.825,
    "s": 72.932,
    "l": 26.078
  },
  "oklch": {
    "l": 0.33452,
    "c": 0.11981,
    "h": 262.8
  },
  "luminance": 0.03563
}

Semantic roles & 50–950 ramp

primary

#123173

secondary

#AA8537

accent

#B538F0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #123173

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

Preview Lab → · Contrast checker → · Palette generator →