#104C55#104C55

#104C55 is a dark, muted teal. Relative luminance 0.059; OKLCH L 38.4% C 0.060 H 209.8°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#104C55
RGB	rgb(16, 76, 85)
HSL	hsl(188, 68%, 20%)
HSV	hsv(188, 81%, 33%)
CMYK	cmyk(81.2%, 10.6%, 0%, 66.7%)
CIE-LAB	lab(29.25, -14.99, -10.71)
CIE-LCH	lch(29.25, 18.42, 215.53°)
OKLab	oklab(38.42% -0.0519 -0.0298)
OKLCH	oklch(38.42% 0.06 209.8)
XYZ	xyz(4.4371, 5.9344, 9.5042)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104C55 #551910

analogous

#10553C #104C55 #102A55

triadic

#104C55 #55104C #4C5510

tetradic

#104C55 #3C1055 #551910 #2A5510

square

#104C55 #3C1055 #551910 #2A5510

split-complementary

#104C55 #55102A #553C10

monochromatic

#05171A #061E21 #104C55 #1A7A89 #23A8BC

Accessibility & contrast

On white

9.60

#104C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#104C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104C55

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104C55	#FFFFFF	#000000	##FFFFFF
##104C55	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444956

Deuteranopia (green-blind)

#3B4255

Tritanopia (blue-blind)

#00504F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #104c55;
/* rgb */ color: rgb(16, 76, 85);
/* oklch */ color: oklch(38.4% 0.060 209.8);

Tailwind

colors: {
  custom: {
    50: '#5b7e84',
    500: '#104c55',
    950: '#000000',
  },
}

SCSS

$custom: #104c55;
$custom-light: #5b7e84;
$custom-dark: #000000;

JSON

{
  "hex": "#104c55",
  "rgb": {
    "r": 16,
    "g": 76,
    "b": 85
  },
  "hsl": {
    "h": 187.826,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.38421,
    "c": 0.0599,
    "h": 209.8
  },
  "luminance": 0.05935
}

Semantic roles & 50–950 ramp

primary

#104C55

secondary

#8F3E32

accent

#533DEB

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#040A0B

muted

#797C7C

Preview Lab

Preview with #104C55

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

Preview Lab → · Contrast checker → · Palette generator →