#123F68#123F68

#123F68 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.0% C 0.086 H 249.9°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#123F68
RGB	rgb(18, 63, 104)
HSL	hsl(209, 70%, 24%)
HSV	hsv(209, 83%, 41%)
CMYK	cmyk(82.7%, 39.4%, 0%, 59.2%)
CIE-LAB	lab(25.81, 0.99, -28.28)
CIE-LCH	lch(25.81, 28.29, 272.02°)
OKLab	oklab(36.01% -0.0295 -0.0806)
OKLCH	oklch(36.01% 0.086 249.9)
XYZ	xyz(4.5247, 4.6825, 13.7594)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F68 #683B12

analogous

#126866 #123F68 #121468

triadic

#123F68 #68123F #3F6812

tetradic

#123F68 #661268 #683B12 #146812

square

#123F68 #661268 #683B12 #146812

split-complementary

#123F68 #681214 #686612

monochromatic

#05101A #091F34 #123F68 #1B5F9C #247ED0

Accessibility & contrast

On white

10.84

#123F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#123F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F68

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F68	#FFFFFF	#000000	##FFFFFF
##123F68	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C416A

Deuteranopia (green-blind)

#1F3A67

Tritanopia (blue-blind)

#00494E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #123f68;
/* rgb */ color: rgb(18, 63, 104);
/* oklch */ color: oklch(36.0% 0.086 249.9);

Tailwind

colors: {
  custom: {
    50: '#5f7393',
    500: '#123f68',
    950: '#000000',
  },
}

SCSS

$custom: #123f68;
$custom-light: #5f7393;
$custom-dark: #000000;

JSON

{
  "hex": "#123f68",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 104
  },
  "hsl": {
    "h": 208.605,
    "s": 70.492,
    "l": 23.922
  },
  "oklch": {
    "l": 0.36011,
    "c": 0.08583,
    "h": 249.9
  },
  "luminance": 0.04683
}

Semantic roles & 50–950 ramp

primary

#123F68

secondary

#A06836

accent

#903BED

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05080D

muted

#797B7E

Preview Lab

Preview with #123F68

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

Preview Lab → · Contrast checker → · Palette generator →