#104B64#104B64

#104B64 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 38.9% C 0.071 H 231.6°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#104B64
RGB	rgb(16, 75, 100)
HSL	hsl(198, 72%, 23%)
HSV	hsv(198, 84%, 39%)
CMYK	cmyk(84%, 25%, 0%, 60.8%)
CIE-LAB	lab(29.57, -8.70, -19.81)
CIE-LCH	lch(29.57, 21.64, 246.29°)
OKLab	oklab(38.9% -0.0442 -0.0558)
OKLCH	oklch(38.9% 0.071 231.6)
XYZ	xyz(5.0291, 6.0618, 12.9591)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104B64 #642910

analogous

#106453 #104B64 #102164

triadic

#104B64 #64104B #4B6410

tetradic

#104B64 #531064 #642910 #216410

square

#104B64 #531064 #642910 #216410

split-complementary

#104B64 #641021 #645310

monochromatic

#04141A #08232F #104B64 #187399 #219ACE

Accessibility & contrast

On white

9.49

#104B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#104B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104B64

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104B64	#FFFFFF	#000000	##FFFFFF
##104B64	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)

#3E4A65

Deuteranopia (green-blind)

#334264

Tritanopia (blue-blind)

#005253

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #104b64;
/* rgb */ color: rgb(16, 75, 100);
/* oklch */ color: oklch(38.9% 0.071 231.6);

Tailwind

colors: {
  custom: {
    50: '#5e7d90',
    500: '#104b64',
    950: '#000000',
  },
}

SCSS

$custom: #104b64;
$custom-light: #5e7d90;
$custom-dark: #000000;

JSON

{
  "hex": "#104b64",
  "rgb": {
    "r": 16,
    "g": 75,
    "b": 100
  },
  "hsl": {
    "h": 197.857,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.38899,
    "c": 0.07122,
    "h": 231.6
  },
  "luminance": 0.06062
}

Semantic roles & 50–950 ramp

primary

#104B64

secondary

#9D5333

accent

#6F39EF

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #104B64

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

Preview Lab → · Contrast checker → · Palette generator →