#104C9D#104C9D

#104C9D is a dark, vivid cyan. Relative luminance 0.077; OKLCH L 43.0% C 0.145 H 258.0°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#104C9D
RGB	rgb(16, 76, 157)
HSL	hsl(214, 82%, 34%)
HSV	hsv(214, 90%, 62%)
CMYK	cmyk(89.8%, 51.6%, 0%, 38.4%)
CIE-LAB	lab(33.38, 14.07, -49.09)
CIE-LCH	lch(33.38, 51.07, 285.99°)
OKLab	oklab(43.01% -0.03 -0.1415)
OKLCH	oklch(43.01% 0.145 258)
XYZ	xyz(8.8817, 7.7122, 32.9122)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104C9D #9D6110

analogous

#10939D #104C9D #1B109D

triadic

#104C9D #9D104C #4C9D10

tetradic

#104C9D #9D1093 #9D6110 #109D1B

square

#104C9D #9D1093 #9D6110 #109D1B

split-complementary

#104C9D #9D1B10 #939D10

monochromatic

#05162E #0A3165 #104C9D #1667D5 #3C87EB

Accessibility & contrast

On white

8.26

#104C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#104C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104C9D

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104C9D	#FFFFFF	#000000	##FFFFFF
##104C9D	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1655A0

Deuteranopia (green-blind)

#00499B

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #104c9d;
/* rgb */ color: rgb(16, 76, 157);
/* oklch */ color: oklch(43.0% 0.145 258.0);

Tailwind

colors: {
  custom: {
    50: '#6c7dba',
    500: '#104c9d',
    950: '#000000',
  },
}

SCSS

$custom: #104c9d;
$custom-light: #6c7dba;
$custom-dark: #000000;

JSON

{
  "hex": "#104c9d",
  "rgb": {
    "r": 16,
    "g": 76,
    "b": 157
  },
  "hsl": {
    "h": 214.468,
    "s": 81.503,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43006,
    "c": 0.14468,
    "h": 258
  },
  "luminance": 0.07713
}

Semantic roles & 50–950 ramp

primary

#104C9D

secondary

#CA8F3E

accent

#A330F8

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #104C9D

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

Preview Lab → · Contrast checker → · Palette generator →