#104D5C#104D5C

#104D5C is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.0% C 0.064 H 218.6°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#104D5C
RGB	rgb(16, 77, 92)
HSL	hsl(192, 70%, 21%)
HSV	hsv(192, 83%, 36%)
CMYK	cmyk(82.6%, 16.3%, 0%, 63.9%)
CIE-LAB	lab(29.89, -12.99, -14.22)
CIE-LCH	lch(29.89, 19.26, 227.58°)
OKLab	oklab(39.03% -0.0498 -0.0397)
OKLCH	oklch(39.03% 0.064 218.6)
XYZ	xyz(4.7985, 6.1900, 11.0650)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104D5C #5C1F10

analogous

#105C45 #104D5C #10275C

triadic

#104D5C #5C104D #4D5C10

tetradic

#104D5C #45105C #5C1F10 #275C10

square

#104D5C #45105C #5C1F10 #275C10

split-complementary

#104D5C #5C1027 #5C4510

monochromatic

#05161A #072128 #104D5C #197990 #22A4C4

Accessibility & contrast

On white

9.38

#104D5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#104D5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104D5C

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104D5C	#FFFFFF	#000000	##FFFFFF
##104D5C	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444B5D

Deuteranopia (green-blind)

#39435C

Tritanopia (blue-blind)

#005252

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #104d5c;
/* rgb */ color: rgb(16, 77, 92);
/* oklch */ color: oklch(39.0% 0.064 218.6);

Tailwind

colors: {
  custom: {
    50: '#5d7f8a',
    500: '#104d5c',
    950: '#000000',
  },
}

SCSS

$custom: #104d5c;
$custom-light: #5d7f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#104d5c",
  "rgb": {
    "r": 16,
    "g": 77,
    "b": 92
  },
  "hsl": {
    "h": 191.842,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.39034,
    "c": 0.06373,
    "h": 218.6
  },
  "luminance": 0.06191
}

Semantic roles & 50–950 ramp

primary

#104D5C

secondary

#954633

accent

#5E3BED

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #104D5C

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

Preview Lab → · Contrast checker → · Palette generator →