#123D48#123D48

#123D48 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.050 H 218.0°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#123D48
RGB	rgb(18, 61, 72)
HSL	hsl(192, 60%, 18%)
HSV	hsv(192, 75%, 28%)
CMYK	cmyk(75%, 15.3%, 0%, 71.8%)
CIE-LAB	lab(23.45, -10.51, -11.04)
CIE-LCH	lch(23.45, 15.25, 226.41°)
OKLab	oklab(33.59% -0.0394 -0.0308)
OKLCH	oklch(33.59% 0.05 218)
XYZ	xyz(3.0874, 3.9336, 6.7262)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D48 #481D12

analogous

#124838 #123D48 #122248

triadic

#123D48 #48123D #3D4812

tetradic

#123D48 #381248 #481D12 #224812

square

#123D48 #381248 #481D12 #224812

split-complementary

#123D48 #481222 #483812

monochromatic

#061518 #061518 #123D48 #1E6679 #2A90AA

Accessibility & contrast

On white

11.75

#123D48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#123D48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D48

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D48	#FFFFFF	#000000	##FFFFFF
##123D48	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363B49

Deuteranopia (green-blind)

#2E3548

Tritanopia (blue-blind)

#004140

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #123d48;
/* rgb */ color: rgb(18, 61, 72);
/* oklch */ color: oklch(33.6% 0.050 218.0);

Tailwind

colors: {
  custom: {
    50: '#58727b',
    500: '#123d48',
    950: '#000000',
  },
}

SCSS

$custom: #123d48;
$custom-light: #58727b;
$custom-dark: #000000;

JSON

{
  "hex": "#123d48",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 72
  },
  "hsl": {
    "h": 192.222,
    "s": 60,
    "l": 17.647
  },
  "oklch": {
    "l": 0.33589,
    "c": 0.04997,
    "h": 218
  },
  "luminance": 0.03934
}

Semantic roles & 50–950 ramp

primary

#123D48

secondary

#814435

accent

#6545E3

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040809

muted

#797B7B

Preview Lab

Preview with #123D48

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

Preview Lab → · Contrast checker → · Palette generator →