#123C6C#123C6C

#123C6C is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.5% C 0.095 H 254.4°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#123C6C
RGB	rgb(18, 60, 108)
HSL	hsl(212, 71%, 25%)
HSV	hsv(212, 83%, 42%)
CMYK	cmyk(83.3%, 44.4%, 0%, 57.6%)
CIE-LAB	lab(25.08, 4.75, -32.00)
CIE-LCH	lch(25.08, 32.35, 278.44°)
OKLab	oklab(35.53% -0.0255 -0.0916)
OKLCH	oklch(35.53% 0.095 254.4)
XYZ	xyz(4.5711, 4.4425, 14.8010)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123C6C #6C4212

analogous

#12696C #123C6C #15126C

triadic

#123C6C #6C123C #3C6C12

tetradic

#123C6C #6C1269 #6C4212 #126C15

square

#123C6C #6C1269 #6C4212 #126C15

split-complementary

#123C6C #6C1512 #696C12

monochromatic

#040F1A #091F38 #123C6C #1B59A0 #2376D5

Accessibility & contrast

On white

11.12

#123C6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#123C6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C6C

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123C6C	#FFFFFF	#000000	##FFFFFF
##123C6C	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24406E

Deuteranopia (green-blind)

#14386B

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #123c6c;
/* rgb */ color: rgb(18, 60, 108);
/* oklch */ color: oklch(35.5% 0.095 254.4);

Tailwind

colors: {
  custom: {
    50: '#607196',
    500: '#123c6c',
    950: '#000000',
  },
}

SCSS

$custom: #123c6c;
$custom-light: #607196;
$custom-dark: #000000;

JSON

{
  "hex": "#123c6c",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 108
  },
  "hsl": {
    "h": 212,
    "s": 71.429,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35525,
    "c": 0.09509,
    "h": 254.4
  },
  "luminance": 0.04443
}

Semantic roles & 50–950 ramp

primary

#123C6C

secondary

#A37136

accent

#9A3AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #123C6C

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

Preview Lab → · Contrast checker → · Palette generator →