#123F50#123F50

#123F50 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.6% C 0.056 H 227.2°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#123F50
RGB	rgb(18, 63, 80)
HSL	hsl(196, 63%, 19%)
HSV	hsv(196, 78%, 31%)
CMYK	cmyk(77.5%, 21.2%, 0%, 68.6%)
CIE-LAB	lab(24.52, -8.72, -14.69)
CIE-LCH	lch(24.52, 17.08, 239.31°)
OKLab	oklab(34.57% -0.0382 -0.0411)
OKLCH	oklch(34.57% 0.056 227.2)
XYZ	xyz(3.4743, 4.2624, 8.2275)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F50 #502312

analogous

#125042 #123F50 #122050

triadic

#123F50 #50123F #3F5012

tetradic

#123F50 #421250 #502312 #205012

square

#123F50 #421250 #502312 #205012

split-complementary

#123F50 #501220 #504212

monochromatic

#061419 #07181E #123F50 #1D6682 #288EB4

Accessibility & contrast

On white

11.34

#123F50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#123F50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F50

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F50	#FFFFFF	#000000	##FFFFFF
##123F50	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)

#363E51

Deuteranopia (green-blind)

#2D3850

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123f50;
/* rgb */ color: rgb(18, 63, 80);
/* oklch */ color: oklch(34.6% 0.056 227.2);

Tailwind

colors: {
  custom: {
    50: '#5a7481',
    500: '#123f50',
    950: '#000000',
  },
}

SCSS

$custom: #123f50;
$custom-light: #5a7481;
$custom-dark: #000000;

JSON

{
  "hex": "#123f50",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 80
  },
  "hsl": {
    "h": 196.452,
    "s": 63.265,
    "l": 19.216
  },
  "oklch": {
    "l": 0.34566,
    "c": 0.05612,
    "h": 227.2
  },
  "luminance": 0.04263
}

Semantic roles & 50–950 ramp

primary

#123F50

secondary

#894C35

accent

#6F41E6

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #123F50

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

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