#123666#123666

#123666 is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.6% C 0.094 H 256.9°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#123666
RGB	rgb(18, 54, 102)
HSL	hsl(214, 70%, 24%)
HSV	hsv(214, 82%, 40%)
CMYK	cmyk(82.4%, 47.1%, 0%, 60%)
CIE-LAB	lab(22.74, 6.43, -31.88)
CIE-LCH	lch(22.74, 32.52, 281.40°)
OKLab	oklab(33.58% -0.0213 -0.0914)
OKLCH	oklch(33.58% 0.094 256.9)
XYZ	xyz(3.9660, 3.7258, 13.0779)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123666 #664212

analogous

#126066 #123666 #181266

triadic

#123666 #661236 #366612

tetradic

#123666 #661260 #664212 #126618

square

#123666 #661260 #664212 #126618

split-complementary

#123666 #661812 #606612

monochromatic

#050E1A #091A32 #123666 #1B529A #246DCE

Accessibility & contrast

On white

12.03

#123666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#123666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123666

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123666	#FFFFFF	#000000	##FFFFFF
##123666	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3A68

Deuteranopia (green-blind)

#0C3365

Tritanopia (blue-blind)

#004149

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123666;
/* rgb */ color: rgb(18, 54, 102);
/* oklch */ color: oklch(33.6% 0.094 256.9);

Tailwind

colors: {
  custom: {
    50: '#5e6c92',
    500: '#123666',
    950: '#000000',
  },
}

SCSS

$custom: #123666;
$custom-light: #5e6c92;
$custom-dark: #000000;

JSON

{
  "hex": "#123666",
  "rgb": {
    "r": 18,
    "g": 54,
    "b": 102
  },
  "hsl": {
    "h": 214.286,
    "s": 70,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33579,
    "c": 0.09382,
    "h": 256.9
  },
  "luminance": 0.03726
}

Semantic roles & 50–950 ramp

primary

#123666

secondary

#9E7136

accent

#A13BED

background

#F5F6F9

surface

#EAEBF1

border

#C6C6CB

text

#05060D

muted

#797A7E

Preview Lab

Preview with #123666

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

Preview Lab → · Contrast checker → · Palette generator →