#104E9D#104E9D

#104E9D is a dark, vivid cyan. Relative luminance 0.080; OKLCH L 43.5% C 0.142 H 257.3°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#104E9D
RGB	rgb(16, 78, 157)
HSL	hsl(214, 82%, 34%)
HSV	hsv(214, 90%, 62%)
CMYK	cmyk(89.8%, 50.3%, 0%, 38.4%)
CIE-LAB	lab(33.97, 12.71, -48.14)
CIE-LCH	lch(33.97, 49.79, 284.79°)
OKLab	oklab(43.46% -0.0314 -0.1387)
OKLCH	oklch(43.46% 0.142 257.3)
XYZ	xyz(9.0216, 7.9921, 32.9589)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104E9D #9D5F10

analogous

#10959D #104E9D #19109D

triadic

#104E9D #9D104E #4E9D10

tetradic

#104E9D #9D1095 #9D5F10 #109D19

square

#104E9D #9D1095 #9D5F10 #109D19

split-complementary

#104E9D #9D1910 #959D10

monochromatic

#05172E #0A3265 #104E9D #166AD5 #3C89EB

Accessibility & contrast

On white

8.08

#104E9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#104E9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104E9D

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104E9D	#FFFFFF	#000000	##FFFFFF
##104E9D	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C56A0

Deuteranopia (green-blind)

#004A9B

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #104e9d;
/* rgb */ color: rgb(16, 78, 157);
/* oklch */ color: oklch(43.5% 0.142 257.3);

Tailwind

colors: {
  custom: {
    50: '#6c7eba',
    500: '#104e9d',
    950: '#000000',
  },
}

SCSS

$custom: #104e9d;
$custom-light: #6c7eba;
$custom-dark: #000000;

JSON

{
  "hex": "#104e9d",
  "rgb": {
    "r": 16,
    "g": 78,
    "b": 157
  },
  "hsl": {
    "h": 213.617,
    "s": 81.503,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43459,
    "c": 0.14219,
    "h": 257.3
  },
  "luminance": 0.07993
}

Semantic roles & 50–950 ramp

primary

#104E9D

secondary

#CA8D3E

accent

#A030F8

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #104E9D

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

Preview Lab → · Contrast checker → · Palette generator →