#13133F#13133F

#13133F is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.9% C 0.082 H 277.3°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#13133F
RGB	rgb(19, 19, 63)
HSL	hsl(240, 54%, 16%)
HSV	hsv(240, 70%, 25%)
CMYK	cmyk(69.8%, 69.8%, 0%, 75.3%)
CIE-LAB	lab(8.68, 16.14, -28.17)
CIE-LCH	lch(8.68, 32.46, 299.81°)
OKLab	oklab(21.93% 0.0104 -0.081)
OKLCH	oklch(21.93% 0.082 277.3)
XYZ	xyz(1.3983, 0.9630, 4.8138)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13133F #3F3F13

analogous

#13293F #13133F #29133F

triadic

#13133F #3F1313 #133F13

tetradic

#13133F #3F1329 #3F3F13 #133F29

square

#13133F #3F1329 #3F3F13 #133F29

split-complementary

#13133F #3F2913 #293F13

monochromatic

#070718 #070718 #13133F #21216E #2F2F9D

Accessibility & contrast

On white

17.61

#13133F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#13133F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13133F

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13133F	#FFFFFF	#000000	##FFFFFF
##13133F	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B40

Deuteranopia (green-blind)

#00173E

Tritanopia (blue-blind)

#001E26

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #13133f;
/* rgb */ color: rgb(19, 19, 63);
/* oklch */ color: oklch(21.9% 0.082 277.3);

Tailwind

colors: {
  custom: {
    50: '#575074',
    500: '#13133f',
    950: '#000000',
  },
}

SCSS

$custom: #13133f;
$custom-light: #575074;
$custom-dark: #000000;

JSON

{
  "hex": "#13133f",
  "rgb": {
    "r": 19,
    "g": 19,
    "b": 63
  },
  "hsl": {
    "h": 240,
    "s": 53.659,
    "l": 16.078
  },
  "oklch": {
    "l": 0.21933,
    "c": 0.08171,
    "h": 277.3
  },
  "luminance": 0.00963
}

Semantic roles & 50–950 ramp

primary

#13133F

secondary

#787836

accent

#DD4BDD

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #13133F

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

Preview Lab → · Contrast checker → · Palette generator →