#104A5B#104A5B

#104A5B is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.1% C 0.063 H 222.3°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#104A5B
RGB	rgb(16, 74, 91)
HSL	hsl(194, 70%, 21%)
HSV	hsv(194, 82%, 36%)
CMYK	cmyk(82.4%, 18.7%, 0%, 64.3%)
CIE-LAB	lab(28.81, -11.58, -15.24)
CIE-LCH	lch(28.81, 19.14, 232.78°)
OKLab	oklab(38.15% -0.0469 -0.0427)
OKLCH	oklch(38.15% 0.063 222.3)
XYZ	xyz(4.5500, 5.7625, 10.7680)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104A5B #5B2110

analogous

#105B46 #104A5B #10245B

triadic

#104A5B #5B104A #4A5B10

tetradic

#104A5B #46105B #5B2110 #245B10

square

#104A5B #46105B #5B2110 #245B10

split-complementary

#104A5B #5B1024 #5B4610

monochromatic

#05151A #072027 #104A5B #19748F #229FC3

Accessibility & contrast

On white

9.76

#104A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#104A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104A5B

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104A5B	#FFFFFF	#000000	##FFFFFF
##104A5B	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40485C

Deuteranopia (green-blind)

#36415B

Tritanopia (blue-blind)

#004F4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #104a5b;
/* rgb */ color: rgb(16, 74, 91);
/* oklch */ color: oklch(38.1% 0.063 222.3);

Tailwind

colors: {
  custom: {
    50: '#5c7c89',
    500: '#104a5b',
    950: '#000000',
  },
}

SCSS

$custom: #104a5b;
$custom-light: #5c7c89;
$custom-dark: #000000;

JSON

{
  "hex": "#104a5b",
  "rgb": {
    "r": 16,
    "g": 74,
    "b": 91
  },
  "hsl": {
    "h": 193.6,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.3815,
    "c": 0.06344,
    "h": 222.3
  },
  "luminance": 0.05763
}

Semantic roles & 50–950 ramp

primary

#104A5B

secondary

#944933

accent

#633BED

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #104A5B

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

Preview Lab → · Contrast checker → · Palette generator →