#123B50#123B50

#123B50 is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.4% C 0.058 H 234.8°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#123B50
RGB	rgb(18, 59, 80)
HSL	hsl(200, 63%, 19%)
HSV	hsv(200, 78%, 31%)
CMYK	cmyk(77.5%, 26.2%, 0%, 68.6%)
CIE-LAB	lab(23.12, -6.15, -16.86)
CIE-LCH	lch(23.12, 17.95, 249.96°)
OKLab	oklab(33.45% -0.0335 -0.0474)
OKLCH	oklch(33.45% 0.058 234.8)
XYZ	xyz(3.2608, 3.8353, 8.1563)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B50 #502712

analogous

#125046 #123B50 #121C50

triadic

#123B50 #50123B #3B5012

tetradic

#123B50 #461250 #502712 #1C5012

square

#123B50 #461250 #502712 #1C5012

split-complementary

#123B50 #50121C #504612

monochromatic

#061219 #07161E #123B50 #1D6082 #2885B4

Accessibility & contrast

On white

11.88

#123B50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#123B50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B50

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B50	#FFFFFF	#000000	##FFFFFF
##123B50	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313B51

Deuteranopia (green-blind)

#283450

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123b50;
/* rgb */ color: rgb(18, 59, 80);
/* oklch */ color: oklch(33.4% 0.058 234.8);

Tailwind

colors: {
  custom: {
    50: '#597081',
    500: '#123b50',
    950: '#000000',
  },
}

SCSS

$custom: #123b50;
$custom-light: #597081;
$custom-dark: #000000;

JSON

{
  "hex": "#123b50",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 80
  },
  "hsl": {
    "h": 200.323,
    "s": 63.265,
    "l": 19.216
  },
  "oklch": {
    "l": 0.33448,
    "c": 0.05804,
    "h": 234.8
  },
  "luminance": 0.03836
}

Semantic roles & 50–950 ramp

primary

#123B50

secondary

#895135

accent

#7941E6

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #123B50

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

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