#104B5E#104B5E

#104B5E is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 38.6% C 0.066 H 224.6°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#104B5E
RGB	rgb(16, 75, 94)
HSL	hsl(195, 71%, 22%)
HSV	hsv(195, 83%, 37%)
CMYK	cmyk(83%, 20.2%, 0%, 63.1%)
CIE-LAB	lab(29.29, -11.03, -16.42)
CIE-LCH	lch(29.29, 19.78, 236.10°)
OKLab	oklab(38.58% -0.0467 -0.046)
OKLCH	oklch(38.58% 0.066 224.6)
XYZ	xyz(4.7493, 5.9499, 11.4856)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104B5E #5E2310

analogous

#105E4A #104B5E #10245E

triadic

#104B5E #5E104B #4B5E10

tetradic

#104B5E #4A105E #5E2310 #245E10

square

#104B5E #4A105E #5E2310 #245E10

split-complementary

#104B5E #5E1024 #5E4A10

monochromatic

#04151A #07212A #104B5E #197592 #229EC7

Accessibility & contrast

On white

9.59

#104B5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#104B5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104B5E

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104B5E	#FFFFFF	#000000	##FFFFFF
##104B5E	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40495F

Deuteranopia (green-blind)

#36425E

Tritanopia (blue-blind)

#005151

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #104b5e;
/* rgb */ color: rgb(16, 75, 94);
/* oklch */ color: oklch(38.6% 0.066 224.6);

Tailwind

colors: {
  custom: {
    50: '#5d7d8b',
    500: '#104b5e',
    950: '#000000',
  },
}

SCSS

$custom: #104b5e;
$custom-light: #5d7d8b;
$custom-dark: #000000;

JSON

{
  "hex": "#104b5e",
  "rgb": {
    "r": 16,
    "g": 75,
    "b": 94
  },
  "hsl": {
    "h": 194.615,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.3858,
    "c": 0.06561,
    "h": 224.6
  },
  "luminance": 0.0595
}

Semantic roles & 50–950 ramp

primary

#104B5E

secondary

#974B33

accent

#663AEE

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #104B5E

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

Preview Lab → · Contrast checker → · Palette generator →