#123F69#123F69

#123F69 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.1% C 0.087 H 250.4°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#123F69
RGB	rgb(18, 63, 105)
HSL	hsl(209, 71%, 24%)
HSV	hsv(209, 83%, 41%)
CMYK	cmyk(82.9%, 40%, 0%, 58.8%)
CIE-LAB	lab(25.87, 1.41, -28.82)
CIE-LCH	lch(25.87, 28.86, 272.80°)
OKLab	oklab(36.08% -0.0292 -0.0822)
OKLCH	oklch(36.08% 0.087 250.4)
XYZ	xyz(4.5758, 4.7030, 14.0285)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F69 #693C12

analogous

#126968 #123F69 #121369

triadic

#123F69 #69123F #3F6912

tetradic

#123F69 #681269 #693C12 #136912

square

#123F69 #681269 #693C12 #136912

split-complementary

#123F69 #691213 #696812

monochromatic

#04101A #092035 #123F69 #1B5E9D #247ED1

Accessibility & contrast

On white

10.82

#123F69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#123F69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F69

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F69	#FFFFFF	#000000	##FFFFFF
##123F69	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B426B

Deuteranopia (green-blind)

#1E3A68

Tritanopia (blue-blind)

#00494F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #123f69;
/* rgb */ color: rgb(18, 63, 105);
/* oklch */ color: oklch(36.1% 0.087 250.4);

Tailwind

colors: {
  custom: {
    50: '#5f7394',
    500: '#123f69',
    950: '#000000',
  },
}

SCSS

$custom: #123f69;
$custom-light: #5f7394;
$custom-dark: #000000;

JSON

{
  "hex": "#123f69",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 105
  },
  "hsl": {
    "h": 208.966,
    "s": 70.732,
    "l": 24.118
  },
  "oklch": {
    "l": 0.36078,
    "c": 0.08723,
    "h": 250.4
  },
  "luminance": 0.04704
}

Semantic roles & 50–950 ramp

primary

#123F69

secondary

#A16A36

accent

#913AED

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05080D

muted

#797B7E

Preview Lab

Preview with #123F69

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

Preview Lab → · Contrast checker → · Palette generator →