#104D5D#104D5D

#104D5D is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.1% C 0.064 H 220.0°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#104D5D
RGB	rgb(16, 77, 93)
HSL	hsl(192, 71%, 21%)
HSV	hsv(192, 83%, 36%)
CMYK	cmyk(82.8%, 17.2%, 0%, 63.5%)
CIE-LAB	lab(29.93, -12.62, -14.79)
CIE-LCH	lch(29.93, 19.44, 229.53°)
OKLab	oklab(39.08% -0.0494 -0.0414)
OKLCH	oklch(39.08% 0.064 220)
XYZ	xyz(4.8425, 6.2076, 11.2968)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104D5D #5D2010

analogous

#105D47 #104D5D #10275D

triadic

#104D5D #5D104D #4D5D10

tetradic

#104D5D #47105D #5D2010 #275D10

square

#104D5D #47105D #5D2010 #275D10

split-complementary

#104D5D #5D1027 #5D4710

monochromatic

#04161A #072229 #104D5D #197891 #22A3C5

Accessibility & contrast

On white

9.37

#104D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#104D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104D5D

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104D5D	#FFFFFF	#000000	##FFFFFF
##104D5D	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434B5E

Deuteranopia (green-blind)

#39435D

Tritanopia (blue-blind)

#005252

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #104d5d;
/* rgb */ color: rgb(16, 77, 93);
/* oklch */ color: oklch(39.1% 0.064 220.0);

Tailwind

colors: {
  custom: {
    50: '#5d7f8b',
    500: '#104d5d',
    950: '#000000',
  },
}

SCSS

$custom: #104d5d;
$custom-light: #5d7f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#104d5d",
  "rgb": {
    "r": 16,
    "g": 77,
    "b": 93
  },
  "hsl": {
    "h": 192.468,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.39083,
    "c": 0.06441,
    "h": 220
  },
  "luminance": 0.06208
}

Semantic roles & 50–950 ramp

primary

#104D5D

secondary

#964733

accent

#603AED

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#050A0C

muted

#797C7D

Preview Lab

Preview with #104D5D

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

Preview Lab → · Contrast checker → · Palette generator →