#104B5D#104B5D

#104B5D is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 38.5% C 0.065 H 223.3°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#104B5D
RGB	rgb(16, 75, 93)
HSL	hsl(194, 71%, 21%)
HSV	hsv(194, 83%, 36%)
CMYK	cmyk(82.8%, 19.4%, 0%, 63.5%)
CIE-LAB	lab(29.24, -11.42, -15.85)
CIE-LCH	lch(29.24, 19.53, 234.23°)
OKLab	oklab(38.53% -0.0472 -0.0444)
OKLCH	oklch(38.53% 0.065 223.3)
XYZ	xyz(4.7047, 5.9321, 11.2508)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104B5D #5D2210

analogous

#105D49 #104B5D #10255D

triadic

#104B5D #5D104B #4B5D10

tetradic

#104B5D #49105D #5D2210 #255D10

square

#104B5D #49105D #5D2210 #255D10

split-complementary

#104B5D #5D1025 #5D4910

monochromatic

#04151A #072129 #104B5D #197591 #229FC5

Accessibility & contrast

On white

9.60

#104B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#104B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104B5D

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104B5D	#FFFFFF	#000000	##FFFFFF
##104B5D	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41495E

Deuteranopia (green-blind)

#36425D

Tritanopia (blue-blind)

#005051

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #104b5d;
/* rgb */ color: rgb(16, 75, 93);
/* oklch */ color: oklch(38.5% 0.065 223.3);

Tailwind

colors: {
  custom: {
    50: '#5d7d8b',
    500: '#104b5d',
    950: '#000000',
  },
}

SCSS

$custom: #104b5d;
$custom-light: #5d7d8b;
$custom-dark: #000000;

JSON

{
  "hex": "#104b5d",
  "rgb": {
    "r": 16,
    "g": 75,
    "b": 93
  },
  "hsl": {
    "h": 194.026,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.38529,
    "c": 0.06479,
    "h": 223.3
  },
  "luminance": 0.05933
}

Semantic roles & 50–950 ramp

primary

#104B5D

secondary

#964A33

accent

#643AED

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #104B5D

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

Preview Lab → · Contrast checker → · Palette generator →