#123864#123864

#123864 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.9% C 0.088 H 254.5°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#123864
RGB	rgb(18, 56, 100)
HSL	hsl(212, 69%, 23%)
HSV	hsv(212, 82%, 39%)
CMYK	cmyk(82%, 44%, 0%, 60.8%)
CIE-LAB	lab(23.26, 4.16, -29.76)
CIE-LCH	lch(23.26, 30.05, 277.96°)
OKLab	oklab(33.94% -0.0237 -0.0851)
OKLCH	oklch(33.94% 0.088 254.5)
XYZ	xyz(3.9630, 3.8766, 12.5935)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123864 #643E12

analogous

#126164 #123864 #151264

triadic

#123864 #641238 #386412

tetradic

#123864 #641261 #643E12 #126415

square

#123864 #641261 #643E12 #126415

split-complementary

#123864 #641512 #616412

monochromatic

#050F1A #091B30 #123864 #1B5598 #2572CC

Accessibility & contrast

On white

11.83

#123864 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#123864 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123864

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123864	#FFFFFF	#000000	##FFFFFF
##123864	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233B66

Deuteranopia (green-blind)

#143463

Tritanopia (blue-blind)

#004249

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123864;
/* rgb */ color: rgb(18, 56, 100);
/* oklch */ color: oklch(33.9% 0.088 254.5);

Tailwind

colors: {
  custom: {
    50: '#5e6e90',
    500: '#123864',
    950: '#000000',
  },
}

SCSS

$custom: #123864;
$custom-light: #5e6e90;
$custom-dark: #000000;

JSON

{
  "hex": "#123864",
  "rgb": {
    "r": 18,
    "g": 56,
    "b": 100
  },
  "hsl": {
    "h": 212.195,
    "s": 69.492,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33936,
    "c": 0.08832,
    "h": 254.5
  },
  "luminance": 0.03877
}

Semantic roles & 50–950 ramp

primary

#123864

secondary

#9C6D36

accent

#9A3BEC

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #123864

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

Preview Lab → · Contrast checker → · Palette generator →