#104D9D#104D9D

#104D9D is a dark, vivid cyan. Relative luminance 0.079; OKLCH L 43.2% C 0.143 H 257.7°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#104D9D
RGB	rgb(16, 77, 157)
HSL	hsl(214, 82%, 34%)
HSV	hsv(214, 90%, 62%)
CMYK	cmyk(89.8%, 51%, 0%, 38.4%)
CIE-LAB	lab(33.67, 13.38, -48.62)
CIE-LCH	lch(33.67, 50.42, 285.39°)
OKLab	oklab(43.23% -0.0307 -0.1401)
OKLCH	oklch(43.23% 0.143 257.7)
XYZ	xyz(8.9511, 7.8511, 32.9354)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104D9D #9D6010

analogous

#10949D #104D9D #1A109D

triadic

#104D9D #9D104D #4D9D10

tetradic

#104D9D #9D1094 #9D6010 #109D1A

square

#104D9D #9D1094 #9D6010 #109D1A

split-complementary

#104D9D #9D1A10 #949D10

monochromatic

#05172E #0A3265 #104D9D #1668D5 #3C88EB

Accessibility & contrast

On white

8.17

#104D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#104D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104D9D

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104D9D	#FFFFFF	#000000	##FFFFFF
##104D9D	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1956A0

Deuteranopia (green-blind)

#00499B

Tritanopia (blue-blind)

#00616D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #104d9d;
/* rgb */ color: rgb(16, 77, 157);
/* oklch */ color: oklch(43.2% 0.143 257.7);

Tailwind

colors: {
  custom: {
    50: '#6c7eba',
    500: '#104d9d',
    950: '#000000',
  },
}

SCSS

$custom: #104d9d;
$custom-light: #6c7eba;
$custom-dark: #000000;

JSON

{
  "hex": "#104d9d",
  "rgb": {
    "r": 16,
    "g": 77,
    "b": 157
  },
  "hsl": {
    "h": 214.043,
    "s": 81.503,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43232,
    "c": 0.14344,
    "h": 257.7
  },
  "luminance": 0.07852
}

Semantic roles & 50–950 ramp

primary

#104D9D

secondary

#CA8E3E

accent

#A130F8

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #104D9D

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

Preview Lab → · Contrast checker → · Palette generator →