#13104B#13104B

#13104B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.6% C 0.104 H 276.3°. Best body text is #FFFFFF at 17.45:1 contrast (WCAG AA passes).

Color values

HEX	#13104B
RGB	rgb(19, 16, 75)
HSL	hsl(243, 65%, 18%)
HSV	hsv(243, 79%, 29%)
CMYK	cmyk(74.7%, 78.7%, 0%, 70.6%)
CIE-LAB	lab(9.13, 23.03, -35.87)
CIE-LCH	lch(9.13, 42.62, 302.71°)
OKLab	oklab(22.65% 0.0115 -0.1036)
OKLCH	oklch(22.65% 0.104 276.3)
XYZ	xyz(1.7234, 1.0169, 6.7607)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13104B #484B10

analogous

#102A4B #13104B #30104B

triadic

#13104B #4B1310 #104B13

tetradic

#13104B #4B102A #484B10 #104B30

square

#13104B #4B102A #484B10 #104B30

split-complementary

#13104B #4B3010 #2A4B10

monochromatic

#060519 #060519 #13104B #201B7D #2D26B0

Accessibility & contrast

On white

17.45

#13104B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#13104B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13104B

17.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13104B	#FFFFFF	#000000	##FFFFFF
##13104B	1.00	17.45	1.20	17.45
#FFFFFF	17.45	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4D

Deuteranopia (green-blind)

#00174A

Tritanopia (blue-blind)

#00202C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #13104b;
/* rgb */ color: rgb(19, 16, 75);
/* oklch */ color: oklch(22.6% 0.104 276.3);

Tailwind

colors: {
  custom: {
    50: '#5a4e7e',
    500: '#13104b',
    950: '#000000',
  },
}

SCSS

$custom: #13104b;
$custom-light: #5a4e7e;
$custom-dark: #000000;

JSON

{
  "hex": "#13104b",
  "rgb": {
    "r": 19,
    "g": 16,
    "b": 75
  },
  "hsl": {
    "h": 243.051,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.22645,
    "c": 0.10425,
    "h": 276.3
  },
  "luminance": 0.01017
}

Semantic roles & 50–950 ramp

primary

#13104B

secondary

#818532

accent

#E840DF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #13104B

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

Preview Lab → · Contrast checker → · Palette generator →