#104A9F#104A9F

#104A9F is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.7% C 0.150 H 259.1°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#104A9F
RGB	rgb(16, 74, 159)
HSL	hsl(216, 82%, 34%)
HSV	hsv(216, 90%, 62%)
CMYK	cmyk(89.9%, 53.5%, 0%, 37.6%)
CIE-LAB	lab(32.94, 16.25, -51.00)
CIE-LCH	lch(32.94, 53.53, 287.68°)
OKLab	oklab(42.72% -0.0284 -0.1472)
OKLCH	oklch(42.72% 0.15 259.1)
XYZ	xyz(8.9182, 7.5098, 33.7737)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104A9F #9F6510

analogous

#10929F #104A9F #1D109F

triadic

#104A9F #9F104A #4A9F10

tetradic

#104A9F #9F1092 #9F6510 #109F1D

square

#104A9F #9F1092 #9F6510 #109F1D

split-complementary

#104A9F #9F1D10 #929F10

monochromatic

#051630 #0A3067 #104A9F #1664D7 #3E84EC

Accessibility & contrast

On white

8.39

#104A9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#104A9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104A9F

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104A9F	#FFFFFF	#000000	##FFFFFF
##104A9F	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0654A2

Deuteranopia (green-blind)

#00489D

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #104a9f;
/* rgb */ color: rgb(16, 74, 159);
/* oklch */ color: oklch(42.7% 0.150 259.1);

Tailwind

colors: {
  custom: {
    50: '#6c7bbc',
    500: '#104a9f',
    950: '#000000',
  },
}

SCSS

$custom: #104a9f;
$custom-light: #6c7bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#104a9f",
  "rgb": {
    "r": 16,
    "g": 74,
    "b": 159
  },
  "hsl": {
    "h": 215.664,
    "s": 81.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.42719,
    "c": 0.14992,
    "h": 259.1
  },
  "luminance": 0.07511
}

Semantic roles & 50–950 ramp

primary

#104A9F

secondary

#CB9340

accent

#A730F8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #104A9F

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

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