#104A5A#104A5A

#104A5A is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.1% C 0.063 H 220.9°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#104A5A
RGB	rgb(16, 74, 90)
HSL	hsl(193, 70%, 21%)
HSV	hsv(193, 82%, 35%)
CMYK	cmyk(82.2%, 17.8%, 0%, 64.7%)
CIE-LAB	lab(28.76, -11.96, -14.66)
CIE-LCH	lch(28.76, 18.92, 230.81°)
OKLab	oklab(38.1% -0.0474 -0.041)
OKLCH	oklch(38.1% 0.063 220.9)
XYZ	xyz(4.5072, 5.7454, 10.5423)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104A5A #5A2010

analogous

#105A45 #104A5A #10255A

triadic

#104A5A #5A104A #4A5A10

tetradic

#104A5A #45105A #5A2010 #255A10

square

#104A5A #45105A #5A2010 #255A10

split-complementary

#104A5A #5A1025 #5A4510

monochromatic

#05151A #071F26 #104A5A #19758E #229FC2

Accessibility & contrast

On white

9.77

#104A5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#104A5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104A5A

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104A5A	#FFFFFF	#000000	##FFFFFF
##104A5A	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40485B

Deuteranopia (green-blind)

#36415A

Tritanopia (blue-blind)

#004F4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #104a5a;
/* rgb */ color: rgb(16, 74, 90);
/* oklch */ color: oklch(38.1% 0.063 220.9);

Tailwind

colors: {
  custom: {
    50: '#5c7c88',
    500: '#104a5a',
    950: '#000000',
  },
}

SCSS

$custom: #104a5a;
$custom-light: #5c7c88;
$custom-dark: #000000;

JSON

{
  "hex": "#104a5a",
  "rgb": {
    "r": 16,
    "g": 74,
    "b": 90
  },
  "hsl": {
    "h": 192.973,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.381,
    "c": 0.06268,
    "h": 220.9
  },
  "luminance": 0.05746
}

Semantic roles & 50–950 ramp

primary

#104A5A

secondary

#934733

accent

#623BED

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #104A5A

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

Preview Lab → · Contrast checker → · Palette generator →