#123873#123873

#123873 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.1% C 0.110 H 259.3°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#123873
RGB	rgb(18, 56, 115)
HSL	hsl(216, 73%, 26%)
HSV	hsv(216, 84%, 45%)
CMYK	cmyk(84.3%, 51.3%, 0%, 54.9%)
CIE-LAB	lab(24.30, 10.54, -37.73)
CIE-LCH	lch(24.30, 39.17, 285.61°)
OKLab	oklab(35.08% -0.0206 -0.1085)
OKLCH	oklch(35.08% 0.11 259.3)
XYZ	xyz(4.7570, 4.1942, 16.7752)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123873 #734D12

analogous

#126873 #123873 #1C1273

triadic

#123873 #731238 #387312

tetradic

#123873 #731268 #734D12 #12731C

square

#123873 #731268 #734D12 #12731C

split-complementary

#123873 #731C12 #687312

monochromatic

#040D1A #0A1E3E #123873 #1A52A8 #236CDD

Accessibility & contrast

On white

11.42

#123873 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#123873 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123873

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123873	#FFFFFF	#000000	##FFFFFF
##123873	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153E75

Deuteranopia (green-blind)

#003672

Tritanopia (blue-blind)

#004650

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123873;
/* rgb */ color: rgb(18, 56, 115);
/* oklch */ color: oklch(35.1% 0.110 259.3);

Tailwind

colors: {
  custom: {
    50: '#626e9c',
    500: '#123873',
    950: '#000000',
  },
}

SCSS

$custom: #123873;
$custom-light: #626e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#123873",
  "rgb": {
    "r": 18,
    "g": 56,
    "b": 115
  },
  "hsl": {
    "h": 216.495,
    "s": 72.932,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35079,
    "c": 0.11048,
    "h": 259.3
  },
  "luminance": 0.04195
}

Semantic roles & 50–950 ramp

primary

#123873

secondary

#AA7D37

accent

#A838F0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123873

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

Preview Lab → · Contrast checker → · Palette generator →