#123365#123365

#123365 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.8% C 0.096 H 258.8°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#123365
RGB	rgb(18, 51, 101)
HSL	hsl(216, 70%, 23%)
HSV	hsv(216, 82%, 40%)
CMYK	cmyk(82.2%, 49.5%, 0%, 60.4%)
CIE-LAB	lab(21.71, 8.15, -32.89)
CIE-LCH	lch(21.71, 33.88, 283.92°)
OKLab	oklab(32.76% -0.0187 -0.0944)
OKLCH	oklch(32.76% 0.096 258.8)
XYZ	xyz(3.7814, 3.4354, 12.7732)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123365 #654412

analogous

#125C65 #123365 #1B1265

triadic

#123365 #651233 #336512

tetradic

#123365 #65125C #654412 #12651B

square

#123365 #65125C #654412 #12651B

split-complementary

#123365 #651B12 #5C6512

monochromatic

#050D1A #091931 #123365 #1B4D99 #2567CD

Accessibility & contrast

On white

12.45

#123365 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#123365 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123365

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123365	#FFFFFF	#000000	##FFFFFF
##123365	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183867

Deuteranopia (green-blind)

#033064

Tritanopia (blue-blind)

#003F47

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #123365;
/* rgb */ color: rgb(18, 51, 101);
/* oklch */ color: oklch(32.8% 0.096 258.8);

Tailwind

colors: {
  custom: {
    50: '#5e6a91',
    500: '#123365',
    950: '#000000',
  },
}

SCSS

$custom: #123365;
$custom-light: #5e6a91;
$custom-dark: #000000;

JSON

{
  "hex": "#123365",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 101
  },
  "hsl": {
    "h": 216.145,
    "s": 69.748,
    "l": 23.333
  },
  "oklch": {
    "l": 0.32758,
    "c": 0.09625,
    "h": 258.8
  },
  "luminance": 0.03436
}

Semantic roles & 50–950 ramp

primary

#123365

secondary

#9D7436

accent

#A63BED

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060D

muted

#797A7D

Preview Lab

Preview with #123365

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

Preview Lab → · Contrast checker → · Palette generator →