#123C6D#123C6D

#123C6D is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.097 H 254.8°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#123C6D
RGB	rgb(18, 60, 109)
HSL	hsl(212, 72%, 25%)
HSV	hsv(212, 83%, 43%)
CMYK	cmyk(83.5%, 45%, 0%, 57.3%)
CIE-LAB	lab(25.15, 5.17, -32.54)
CIE-LCH	lch(25.15, 32.94, 279.03°)
OKLab	oklab(35.6% -0.0253 -0.0932)
OKLCH	oklch(35.6% 0.097 254.8)
XYZ	xyz(4.6246, 4.4639, 15.0829)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123C6D #6D4312

analogous

#12696D #123C6D #16126D

triadic

#123C6D #6D123C #3C6D12

tetradic

#123C6D #6D1269 #6D4312 #126D16

square

#123C6D #6D1269 #6D4312 #126D16

split-complementary

#123C6D #6D1612 #696D12

monochromatic

#040E1A #091F38 #123C6D #1B59A2 #2376D6

Accessibility & contrast

On white

11.09

#123C6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#123C6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C6D

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123C6D	#FFFFFF	#000000	##FFFFFF
##123C6D	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23406F

Deuteranopia (green-blind)

#12386C

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #123c6d;
/* rgb */ color: rgb(18, 60, 109);
/* oklch */ color: oklch(35.6% 0.097 254.8);

Tailwind

colors: {
  custom: {
    50: '#607197',
    500: '#123c6d',
    950: '#000000',
  },
}

SCSS

$custom: #123c6d;
$custom-light: #607197;
$custom-dark: #000000;

JSON

{
  "hex": "#123c6d",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 109
  },
  "hsl": {
    "h": 212.308,
    "s": 71.654,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35597,
    "c": 0.09654,
    "h": 254.8
  },
  "luminance": 0.04464
}

Semantic roles & 50–950 ramp

primary

#123C6D

secondary

#A47237

accent

#9B39EE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #123C6D

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

Preview Lab → · Contrast checker → · Palette generator →