#104B59#104B59

#104B59 is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 38.3% C 0.062 H 217.7°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#104B59
RGB	rgb(16, 75, 89)
HSL	hsl(192, 70%, 21%)
HSV	hsv(192, 82%, 35%)
CMYK	cmyk(82%, 15.7%, 0%, 65.1%)
CIE-LAB	lab(29.06, -12.93, -13.56)
CIE-LCH	lch(29.06, 18.73, 226.35°)
OKLab	oklab(38.33% -0.0489 -0.0379)
OKLCH	oklch(38.33% 0.062 217.7)
XYZ	xyz(4.5322, 5.8630, 10.3421)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104B59 #591E10

analogous

#105942 #104B59 #102659

triadic

#104B59 #59104B #4B5910

tetradic

#104B59 #421059 #591E10 #265910

square

#104B59 #421059 #591E10 #265910

split-complementary

#104B59 #591026 #594210

monochromatic

#05161A #071F25 #104B59 #19778D #23A2C1

Accessibility & contrast

On white

9.66

#104B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#104B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104B59

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104B59	#FFFFFF	#000000	##FFFFFF
##104B59	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42495A

Deuteranopia (green-blind)

#384159

Tritanopia (blue-blind)

#00504F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #104b59;
/* rgb */ color: rgb(16, 75, 89);
/* oklch */ color: oklch(38.3% 0.062 217.7);

Tailwind

colors: {
  custom: {
    50: '#5c7d88',
    500: '#104b59',
    950: '#000000',
  },
}

SCSS

$custom: #104b59;
$custom-light: #5c7d88;
$custom-dark: #000000;

JSON

{
  "hex": "#104b59",
  "rgb": {
    "r": 16,
    "g": 75,
    "b": 89
  },
  "hsl": {
    "h": 191.507,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.38329,
    "c": 0.06189,
    "h": 217.7
  },
  "luminance": 0.05864
}

Semantic roles & 50–950 ramp

primary

#104B59

secondary

#924533

accent

#5D3BEC

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #104B59

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

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