#123B68#123B68

#123B68 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.090 H 253.6°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#123B68
RGB	rgb(18, 59, 104)
HSL	hsl(211, 70%, 24%)
HSV	hsv(211, 83%, 41%)
CMYK	cmyk(82.7%, 43.3%, 0%, 59.2%)
CIE-LAB	lab(24.50, 3.75, -30.36)
CIE-LCH	lch(24.50, 30.60, 277.04°)
OKLab	oklab(34.99% -0.0256 -0.0868)
OKLCH	oklch(34.99% 0.091 253.6)
XYZ	xyz(4.3112, 4.2555, 13.6882)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B68 #683F12

analogous

#126668 #123B68 #141268

triadic

#123B68 #68123B #3B6812

tetradic

#123B68 #681266 #683F12 #126814

square

#123B68 #681266 #683F12 #126814

split-complementary

#123B68 #681412 #666812

monochromatic

#050F1A #091D34 #123B68 #1B599C #2476D0

Accessibility & contrast

On white

11.34

#123B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#123B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B68

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B68	#FFFFFF	#000000	##FFFFFF
##123B68	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253E6A

Deuteranopia (green-blind)

#173767

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123b68;
/* rgb */ color: rgb(18, 59, 104);
/* oklch */ color: oklch(35.0% 0.090 253.6);

Tailwind

colors: {
  custom: {
    50: '#5f7093',
    500: '#123b68',
    950: '#000000',
  },
}

SCSS

$custom: #123b68;
$custom-light: #5f7093;
$custom-dark: #000000;

JSON

{
  "hex": "#123b68",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 104
  },
  "hsl": {
    "h": 211.395,
    "s": 70.492,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34985,
    "c": 0.0905,
    "h": 253.6
  },
  "luminance": 0.04256
}

Semantic roles & 50–950 ramp

primary

#123B68

secondary

#A06D36

accent

#983BED

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05070D

muted

#797A7E

Preview Lab

Preview with #123B68

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

Preview Lab → · Contrast checker → · Palette generator →