#104C5E#104C5E

#104C5E is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 38.9% C 0.065 H 222.9°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#104C5E
RGB	rgb(16, 76, 94)
HSL	hsl(194, 71%, 22%)
HSV	hsv(194, 83%, 37%)
CMYK	cmyk(83%, 19.1%, 0%, 63.1%)
CIE-LAB	lab(29.63, -11.64, -15.89)
CIE-LCH	lch(29.63, 19.70, 233.78°)
OKLab	oklab(38.86% -0.0478 -0.0445)
OKLCH	oklch(38.86% 0.065 222.9)
XYZ	xyz(4.8177, 6.0866, 11.5084)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104C5E #5E2210

analogous

#105E49 #104C5E #10255E

triadic

#104C5E #5E104C #4C5E10

tetradic

#104C5E #49105E #5E2210 #255E10

square

#104C5E #49105E #5E2210 #255E10

split-complementary

#104C5E #5E1025 #5E4910

monochromatic

#04151A #07222A #104C5E #197692 #22A1C7

Accessibility & contrast

On white

9.47

#104C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#104C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104C5E

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104C5E	#FFFFFF	#000000	##FFFFFF
##104C5E	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424A5F

Deuteranopia (green-blind)

#37435E

Tritanopia (blue-blind)

#005252

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #104c5e;
/* rgb */ color: rgb(16, 76, 94);
/* oklch */ color: oklch(38.9% 0.065 222.9);

Tailwind

colors: {
  custom: {
    50: '#5d7e8b',
    500: '#104c5e',
    950: '#000000',
  },
}

SCSS

$custom: #104c5e;
$custom-light: #5d7e8b;
$custom-dark: #000000;

JSON

{
  "hex": "#104c5e",
  "rgb": {
    "r": 16,
    "g": 76,
    "b": 94
  },
  "hsl": {
    "h": 193.846,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.38857,
    "c": 0.06534,
    "h": 222.9
  },
  "luminance": 0.06087
}

Semantic roles & 50–950 ramp

primary

#104C5E

secondary

#974A33

accent

#643AEE

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #104C5E

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

Preview Lab → · Contrast checker → · Palette generator →