#123E47#123E47

#123E47 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.8% C 0.049 H 213.8°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#123E47
RGB	rgb(18, 62, 71)
HSL	hsl(190, 60%, 17%)
HSV	hsv(190, 75%, 28%)
CMYK	cmyk(74.6%, 12.7%, 0%, 72.2%)
CIE-LAB	lab(23.77, -11.50, -9.90)
CIE-LCH	lch(23.77, 15.17, 220.73°)
OKLab	oklab(33.83% -0.0411 -0.0275)
OKLCH	oklch(33.83% 0.049 213.8)
XYZ	xyz(3.1089, 4.0284, 6.5737)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E47 #471B12

analogous

#124736 #123E47 #122347

triadic

#123E47 #47123E #3E4712

tetradic

#123E47 #361247 #471B12 #234712

square

#123E47 #361247 #471B12 #234712

split-complementary

#123E47 #471223 #473612

monochromatic

#061518 #061518 #123E47 #1E6978 #2B93A9

Accessibility & contrast

On white

11.63

#123E47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#123E47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E47

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E47	#FFFFFF	#000000	##FFFFFF
##123E47	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373C48

Deuteranopia (green-blind)

#303647

Tritanopia (blue-blind)

#004141

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123e47;
/* rgb */ color: rgb(18, 62, 71);
/* oklch */ color: oklch(33.8% 0.049 213.8);

Tailwind

colors: {
  custom: {
    50: '#58737a',
    500: '#123e47',
    950: '#000000',
  },
}

SCSS

$custom: #123e47;
$custom-light: #58737a;
$custom-dark: #000000;

JSON

{
  "hex": "#123e47",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 71
  },
  "hsl": {
    "h": 190.189,
    "s": 59.551,
    "l": 17.451
  },
  "oklch": {
    "l": 0.33828,
    "c": 0.04945,
    "h": 213.8
  },
  "luminance": 0.04029
}

Semantic roles & 50–950 ramp

primary

#123E47

secondary

#804235

accent

#6045E3

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040809

muted

#797B7B

Preview Lab

Preview with #123E47

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

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