#123373#123373

#123373 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.9% C 0.117 H 261.9°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#123373
RGB	rgb(18, 51, 115)
HSL	hsl(220, 73%, 26%)
HSV	hsv(220, 84%, 45%)
CMYK	cmyk(84.3%, 55.7%, 0%, 54.9%)
CIE-LAB	lab(22.77, 14.13, -40.21)
CIE-LCH	lch(22.77, 42.62, 289.36°)
OKLab	oklab(33.91% -0.0166 -0.1159)
OKLCH	oklch(33.91% 0.117 261.9)
XYZ	xyz(4.5267, 3.7335, 16.6984)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123373 #735212

analogous

#126373 #123373 #221273

triadic

#123373 #731233 #337312

tetradic

#123373 #731263 #735212 #127322

square

#123373 #731263 #735212 #127322

split-complementary

#123373 #732212 #637312

monochromatic

#040C1A #0A1C3E #123373 #1A4AA8 #2362DD

Accessibility & contrast

On white

12.02

#123373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#123373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123373

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123373	#FFFFFF	#000000	##FFFFFF
##123373	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023B75

Deuteranopia (green-blind)

#003272

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123373;
/* rgb */ color: rgb(18, 51, 115);
/* oklch */ color: oklch(33.9% 0.117 261.9);

Tailwind

colors: {
  custom: {
    50: '#626a9c',
    500: '#123373',
    950: '#000000',
  },
}

SCSS

$custom: #123373;
$custom-light: #626a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#123373",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 115
  },
  "hsl": {
    "h": 219.588,
    "s": 72.932,
    "l": 26.078
  },
  "oklch": {
    "l": 0.33908,
    "c": 0.11712,
    "h": 261.9
  },
  "luminance": 0.03734
}

Semantic roles & 50–950 ramp

primary

#123373

secondary

#AA8337

accent

#B138F0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #123373

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

Preview Lab → · Contrast checker → · Palette generator →