#123F67#123F67

#123F67 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 35.9% C 0.084 H 249.4°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#123F67
RGB	rgb(18, 63, 103)
HSL	hsl(208, 70%, 24%)
HSV	hsv(208, 83%, 40%)
CMYK	cmyk(82.5%, 38.8%, 0%, 59.6%)
CIE-LAB	lab(25.75, 0.58, -27.73)
CIE-LCH	lch(25.75, 27.74, 271.19°)
OKLab	oklab(35.94% -0.0298 -0.079)
OKLCH	oklch(35.94% 0.084 249.4)
XYZ	xyz(4.4742, 4.6624, 13.4934)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F67 #673A12

analogous

#126764 #123F67 #121467

triadic

#123F67 #67123F #3F6712

tetradic

#123F67 #641267 #673A12 #146712

square

#123F67 #641267 #673A12 #146712

split-complementary

#123F67 #671214 #676412

monochromatic

#05101A #091F33 #123F67 #1B5F9B #247FCF

Accessibility & contrast

On white

10.87

#123F67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#123F67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F67

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F67	#FFFFFF	#000000	##FFFFFF
##123F67	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4169

Deuteranopia (green-blind)

#203966

Tritanopia (blue-blind)

#00494E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #123f67;
/* rgb */ color: rgb(18, 63, 103);
/* oklch */ color: oklch(35.9% 0.084 249.4);

Tailwind

colors: {
  custom: {
    50: '#5f7392',
    500: '#123f67',
    950: '#000000',
  },
}

SCSS

$custom: #123f67;
$custom-light: #5f7392;
$custom-dark: #000000;

JSON

{
  "hex": "#123f67",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 103
  },
  "hsl": {
    "h": 208.235,
    "s": 70.248,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35944,
    "c": 0.08442,
    "h": 249.4
  },
  "luminance": 0.04663
}

Semantic roles & 50–950 ramp

primary

#123F67

secondary

#9F6736

accent

#8F3BED

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05080D

muted

#797B7E

Preview Lab

Preview with #123F67

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

Preview Lab → · Contrast checker → · Palette generator →