#123E68#123E68

#123E68 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.087 H 250.9°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#123E68
RGB	rgb(18, 62, 104)
HSL	hsl(209, 70%, 24%)
HSV	hsv(209, 83%, 41%)
CMYK	cmyk(82.7%, 40.4%, 0%, 59.2%)
CIE-LAB	lab(25.48, 1.68, -28.80)
CIE-LCH	lch(25.48, 28.85, 273.33°)
OKLab	oklab(35.75% -0.0285 -0.0822)
OKLCH	oklch(35.75% 0.087 250.9)
XYZ	xyz(4.4698, 4.5728, 13.7411)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E68 #683C12

analogous

#126867 #123E68 #121368

triadic

#123E68 #68123E #3E6812

tetradic

#123E68 #671268 #683C12 #136812

square

#123E68 #671268 #683C12 #136812

split-complementary

#123E68 #681213 #686712

monochromatic

#05101A #091F34 #123E68 #1B5D9C #247CD0

Accessibility & contrast

On white

10.97

#123E68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#123E68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E68

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E68	#FFFFFF	#000000	##FFFFFF
##123E68	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A416A

Deuteranopia (green-blind)

#1D3967

Tritanopia (blue-blind)

#00484E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #123e68;
/* rgb */ color: rgb(18, 62, 104);
/* oklch */ color: oklch(35.8% 0.087 250.9);

Tailwind

colors: {
  custom: {
    50: '#5f7293',
    500: '#123e68',
    950: '#000000',
  },
}

SCSS

$custom: #123e68;
$custom-light: #5f7293;
$custom-dark: #000000;

JSON

{
  "hex": "#123e68",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 104
  },
  "hsl": {
    "h": 209.302,
    "s": 70.492,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35753,
    "c": 0.08696,
    "h": 250.9
  },
  "luminance": 0.04573
}

Semantic roles & 50–950 ramp

primary

#123E68

secondary

#A06A36

accent

#923BED

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05080D

muted

#797B7E

Preview Lab

Preview with #123E68

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

Preview Lab → · Contrast checker → · Palette generator →