#104C5D#104C5D

#104C5D is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 38.8% C 0.065 H 221.6°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#104C5D
RGB	rgb(16, 76, 93)
HSL	hsl(193, 71%, 21%)
HSV	hsv(193, 83%, 36%)
CMYK	cmyk(82.8%, 18.3%, 0%, 63.5%)
CIE-LAB	lab(29.59, -12.02, -15.32)
CIE-LCH	lch(29.59, 19.47, 231.88°)
OKLab	oklab(38.81% -0.0483 -0.0429)
OKLCH	oklch(38.81% 0.065 221.6)
XYZ	xyz(4.7731, 6.0688, 11.2736)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104C5D #5D2110

analogous

#105D48 #104C5D #10265D

triadic

#104C5D #5D104C #4C5D10

tetradic

#104C5D #48105D #5D2110 #265D10

square

#104C5D #48105D #5D2110 #265D10

split-complementary

#104C5D #5D1026 #5D4810

monochromatic

#04151A #072129 #104C5D #197791 #22A1C5

Accessibility & contrast

On white

9.49

#104C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#104C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104C5D

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104C5D	#FFFFFF	#000000	##FFFFFF
##104C5D	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424A5E

Deuteranopia (green-blind)

#38425D

Tritanopia (blue-blind)

#005151

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #104c5d;
/* rgb */ color: rgb(16, 76, 93);
/* oklch */ color: oklch(38.8% 0.065 221.6);

Tailwind

colors: {
  custom: {
    50: '#5d7e8b',
    500: '#104c5d',
    950: '#000000',
  },
}

SCSS

$custom: #104c5d;
$custom-light: #5d7e8b;
$custom-dark: #000000;

JSON

{
  "hex": "#104c5d",
  "rgb": {
    "r": 16,
    "g": 76,
    "b": 93
  },
  "hsl": {
    "h": 193.247,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.38806,
    "c": 0.06457,
    "h": 221.6
  },
  "luminance": 0.06069
}

Semantic roles & 50–950 ramp

primary

#104C5D

secondary

#964933

accent

#623AED

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #104C5D

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

Preview Lab → · Contrast checker → · Palette generator →