#104C5C#104C5C

#104C5C is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 38.8% C 0.064 H 220.3°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#104C5C
RGB	rgb(16, 76, 92)
HSL	hsl(193, 70%, 21%)
HSV	hsv(193, 83%, 36%)
CMYK	cmyk(82.6%, 17.4%, 0%, 63.9%)
CIE-LAB	lab(29.54, -12.40, -14.75)
CIE-LCH	lch(29.54, 19.27, 229.95°)
OKLab	oklab(38.76% -0.0487 -0.0413)
OKLCH	oklch(38.76% 0.064 220.3)
XYZ	xyz(4.7291, 6.0512, 11.0419)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104C5C #5C2010

analogous

#105C46 #104C5C #10265C

triadic

#104C5C #5C104C #4C5C10

tetradic

#104C5C #46105C #5C2010 #265C10

square

#104C5C #46105C #5C2010 #265C10

split-complementary

#104C5C #5C1026 #5C4610

monochromatic

#05161A #072128 #104C5C #197790 #22A2C4

Accessibility & contrast

On white

9.50

#104C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#104C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104C5C

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104C5C	#FFFFFF	#000000	##FFFFFF
##104C5C	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424A5D

Deuteranopia (green-blind)

#38425C

Tritanopia (blue-blind)

#005151

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #104c5c;
/* rgb */ color: rgb(16, 76, 92);
/* oklch */ color: oklch(38.8% 0.064 220.3);

Tailwind

colors: {
  custom: {
    50: '#5c7e8a',
    500: '#104c5c',
    950: '#000000',
  },
}

SCSS

$custom: #104c5c;
$custom-light: #5c7e8a;
$custom-dark: #000000;

JSON

{
  "hex": "#104c5c",
  "rgb": {
    "r": 16,
    "g": 76,
    "b": 92
  },
  "hsl": {
    "h": 192.632,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.38756,
    "c": 0.06384,
    "h": 220.3
  },
  "luminance": 0.06052
}

Semantic roles & 50–950 ramp

primary

#104C5C

secondary

#954733

accent

#603BED

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #104C5C

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

Preview Lab → · Contrast checker → · Palette generator →