#104B66#104B66

#104B66 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.0% C 0.073 H 233.6°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#104B66
RGB	rgb(16, 75, 102)
HSL	hsl(199, 73%, 23%)
HSV	hsv(199, 84%, 40%)
CMYK	cmyk(84.3%, 26.5%, 0%, 60%)
CIE-LAB	lab(29.67, -7.91, -20.93)
CIE-LCH	lch(29.67, 22.38, 249.29°)
OKLab	oklab(39.01% -0.0435 -0.059)
OKLCH	oklch(39.01% 0.073 233.6)
XYZ	xyz(5.1271, 6.1010, 13.4752)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104B66 #662B10

analogous

#106656 #104B66 #102066

triadic

#104B66 #66104B #4B6610

tetradic

#104B66 #561066 #662B10 #206610

square

#104B66 #561066 #662B10 #206610

split-complementary

#104B66 #661020 #665610

monochromatic

#04131A #082431 #104B66 #18729B #2199D0

Accessibility & contrast

On white

9.46

#104B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#104B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104B66

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104B66	#FFFFFF	#000000	##FFFFFF
##104B66	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4A67

Deuteranopia (green-blind)

#324266

Tritanopia (blue-blind)

#005254

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #104b66;
/* rgb */ color: rgb(16, 75, 102);
/* oklch */ color: oklch(39.0% 0.073 233.6);

Tailwind

colors: {
  custom: {
    50: '#5e7d91',
    500: '#104b66',
    950: '#000000',
  },
}

SCSS

$custom: #104b66;
$custom-light: #5e7d91;
$custom-dark: #000000;

JSON

{
  "hex": "#104b66",
  "rgb": {
    "r": 16,
    "g": 75,
    "b": 102
  },
  "hsl": {
    "h": 198.837,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.3901,
    "c": 0.07331,
    "h": 233.6
  },
  "luminance": 0.06102
}

Semantic roles & 50–950 ramp

primary

#104B66

secondary

#9E5533

accent

#7238F0

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090D

muted

#797B7D

Preview Lab

Preview with #104B66

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

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