#104C5F#104C5F

#104C5F is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 38.9% C 0.066 H 224.2°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#104C5F
RGB	rgb(16, 76, 95)
HSL	hsl(194, 71%, 22%)
HSV	hsv(194, 83%, 37%)
CMYK	cmyk(83.2%, 20%, 0%, 62.7%)
CIE-LAB	lab(29.68, -11.26, -16.46)
CIE-LCH	lch(29.68, 19.94, 235.63°)
OKLab	oklab(38.91% -0.0474 -0.0461)
OKLCH	oklch(38.91% 0.066 224.2)
XYZ	xyz(4.8628, 6.1047, 11.7463)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104C5F #5F2310

analogous

#105F4B #104C5F #10255F

triadic

#104C5F #5F104C #4C5F10

tetradic

#104C5F #4B105F #5F2310 #255F10

square

#104C5F #4B105F #5F2310 #255F10

split-complementary

#104C5F #5F1025 #5F4B10

monochromatic

#04151A #07222B #104C5F #197693 #22A0C8

Accessibility & contrast

On white

9.46

#104C5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#104C5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104C5F

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104C5F	#FFFFFF	#000000	##FFFFFF
##104C5F	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)

#414A60

Deuteranopia (green-blind)

#37435F

Tritanopia (blue-blind)

#005252

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #104c5f;
/* rgb */ color: rgb(16, 76, 95);
/* oklch */ color: oklch(38.9% 0.066 224.2);

Tailwind

colors: {
  custom: {
    50: '#5d7e8c',
    500: '#104c5f',
    950: '#000000',
  },
}

SCSS

$custom: #104c5f;
$custom-light: #5d7e8c;
$custom-dark: #000000;

JSON

{
  "hex": "#104c5f",
  "rgb": {
    "r": 16,
    "g": 76,
    "b": 95
  },
  "hsl": {
    "h": 194.43,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.38908,
    "c": 0.06616,
    "h": 224.2
  },
  "luminance": 0.06105
}

Semantic roles & 50–950 ramp

primary

#104C5F

secondary

#984B33

accent

#653AEE

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #104C5F

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

Preview Lab → · Contrast checker → · Palette generator →