#123555#123555

#123555 is a dark, moderate cyan. Relative luminance 0.033; OKLCH L 32.1% C 0.070 H 249.2°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#123555
RGB	rgb(18, 53, 85)
HSL	hsl(209, 65%, 20%)
HSV	hsv(209, 79%, 33%)
CMYK	cmyk(78.8%, 37.6%, 0%, 66.7%)
CIE-LAB	lab(21.32, -0.06, -23.00)
CIE-LCH	lch(21.32, 23.00, 269.84°)
OKLab	oklab(32.12% -0.0248 -0.0653)
OKLCH	oklch(32.12% 0.07 249.2)
XYZ	xyz(3.1616, 3.3303, 9.0688)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123555 #553212

analogous

#125554 #123555 #121355

triadic

#123555 #551235 #355512

tetradic

#123555 #541255 #553212 #135512

square

#123555 #541255 #553212 #135512

split-complementary

#123555 #551213 #555412

monochromatic

#051019 #071622 #123555 #1D5488 #2774BA

Accessibility & contrast

On white

12.60

#123555 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#123555 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123555

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123555	#FFFFFF	#000000	##FFFFFF
##123555	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263756

Deuteranopia (green-blind)

#1D3054

Tritanopia (blue-blind)

#003D41

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #123555;
/* rgb */ color: rgb(18, 53, 85);
/* oklch */ color: oklch(32.1% 0.070 249.2);

Tailwind

colors: {
  custom: {
    50: '#5a6b85',
    500: '#123555',
    950: '#000000',
  },
}

SCSS

$custom: #123555;
$custom-light: #5a6b85;
$custom-dark: #000000;

JSON

{
  "hex": "#123555",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 85
  },
  "hsl": {
    "h": 208.657,
    "s": 65.049,
    "l": 20.196
  },
  "oklch": {
    "l": 0.32116,
    "c": 0.06988,
    "h": 249.2
  },
  "luminance": 0.03331
}

Semantic roles & 50–950 ramp

primary

#123555

secondary

#8E5F35

accent

#9040E8

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #123555

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

Preview Lab → · Contrast checker → · Palette generator →