#104A9D#104A9D

#104A9D is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.6% C 0.147 H 258.8°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#104A9D
RGB	rgb(16, 74, 157)
HSL	hsl(215, 82%, 34%)
HSV	hsv(215, 90%, 62%)
CMYK	cmyk(89.8%, 52.9%, 0%, 38.4%)
CIE-LAB	lab(32.79, 15.43, -50.04)
CIE-LCH	lch(32.79, 52.37, 287.14°)
OKLab	oklab(42.56% -0.0286 -0.1444)
OKLCH	oklch(42.56% 0.147 258.8)
XYZ	xyz(8.7460, 7.4409, 32.8670)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104A9D #9D6310

analogous

#10919D #104A9D #1C109D

triadic

#104A9D #9D104A #4A9D10

tetradic

#104A9D #9D1091 #9D6310 #109D1C

square

#104A9D #9D1091 #9D6310 #109D1C

split-complementary

#104A9D #9D1C10 #919D10

monochromatic

#05162E #0A3065 #104A9D #1664D5 #3C84EB

Accessibility & contrast

On white

8.44

#104A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#104A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104A9D

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104A9D	#FFFFFF	#000000	##FFFFFF
##104A9D	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C54A0

Deuteranopia (green-blind)

#00479B

Tritanopia (blue-blind)

#005E6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #104a9d;
/* rgb */ color: rgb(16, 74, 157);
/* oklch */ color: oklch(42.6% 0.147 258.8);

Tailwind

colors: {
  custom: {
    50: '#6c7bbb',
    500: '#104a9d',
    950: '#000000',
  },
}

SCSS

$custom: #104a9d;
$custom-light: #6c7bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#104a9d",
  "rgb": {
    "r": 16,
    "g": 74,
    "b": 157
  },
  "hsl": {
    "h": 215.319,
    "s": 81.503,
    "l": 33.922
  },
  "oklch": {
    "l": 0.42557,
    "c": 0.1472,
    "h": 258.8
  },
  "luminance": 0.07442
}

Semantic roles & 50–950 ramp

primary

#104A9D

secondary

#CA913E

accent

#A630F8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #104A9D

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

Preview Lab → · Contrast checker → · Palette generator →