#123C73#123C73

#123C73 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.0% C 0.105 H 256.8°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#123C73
RGB	rgb(18, 60, 115)
HSL	hsl(214, 73%, 26%)
HSV	hsv(214, 84%, 45%)
CMYK	cmyk(84.3%, 47.8%, 0%, 54.9%)
CIE-LAB	lab(25.56, 7.71, -35.71)
CIE-LCH	lch(25.56, 36.54, 282.18°)
OKLab	oklab(36.04% -0.024 -0.1025)
OKLCH	oklch(36.04% 0.105 256.8)
XYZ	xyz(4.9587, 4.5975, 16.8424)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123C73 #734912

analogous

#126C73 #123C73 #191273

triadic

#123C73 #73123C #3C7312

tetradic

#123C73 #73126C #734912 #127319

square

#123C73 #73126C #734912 #127319

split-complementary

#123C73 #731912 #6C7312

monochromatic

#040E1A #0A203E #123C73 #1A58A8 #2373DD

Accessibility & contrast

On white

10.94

#123C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#123C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C73

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123C73	#FFFFFF	#000000	##FFFFFF
##123C73	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4175

Deuteranopia (green-blind)

#073872

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #123c73;
/* rgb */ color: rgb(18, 60, 115);
/* oklch */ color: oklch(36.0% 0.105 256.8);

Tailwind

colors: {
  custom: {
    50: '#62719c',
    500: '#123c73',
    950: '#000000',
  },
}

SCSS

$custom: #123c73;
$custom-light: #62719c;
$custom-dark: #000000;

JSON

{
  "hex": "#123c73",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 115
  },
  "hsl": {
    "h": 214.021,
    "s": 72.932,
    "l": 26.078
  },
  "oklch": {
    "l": 0.36043,
    "c": 0.10528,
    "h": 256.8
  },
  "luminance": 0.04598
}

Semantic roles & 50–950 ramp

primary

#123C73

secondary

#AA7837

accent

#A038F0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123C73

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

Preview Lab → · Contrast checker → · Palette generator →