#13133A#13133A

#13133A is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.074 H 278.2°. Best body text is #FFFFFF at 17.77:1 contrast (WCAG AA passes).

Color values

HEX	#13133A
RGB	rgb(19, 19, 58)
HSL	hsl(240, 51%, 15%)
HSV	hsv(240, 67%, 23%)
CMYK	cmyk(67.2%, 67.2%, 0%, 77.3%)
CIE-LAB	lab(8.21, 14.12, -25.35)
CIE-LCH	lch(8.21, 29.01, 299.11°)
OKLab	oklab(21.44% 0.0105 -0.0727)
OKLCH	oklch(21.44% 0.074 278.2)
XYZ	xyz(1.2649, 0.9096, 4.1111)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.41

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13133A #3A3A13

analogous

#13263A #13133A #26133A

triadic

#13133A #3A1313 #133A13

tetradic

#13133A #3A1326 #3A3A13 #133A26

square

#13133A #3A1326 #3A3A13 #133A26

split-complementary

#13133A #3A2613 #263A13

monochromatic

#080817 #080817 #13133A #222268 #313196

Accessibility & contrast

On white

17.77

#13133A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#13133A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13133A

17.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13133A	#FFFFFF	#000000	##FFFFFF
##13133A	1.00	17.77	1.18	17.77
#FFFFFF	17.77	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3B

Deuteranopia (green-blind)

#001639

Tritanopia (blue-blind)

#001C24

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #13133a;
/* rgb */ color: rgb(19, 19, 58);
/* oklch */ color: oklch(21.4% 0.074 278.2);

Tailwind

colors: {
  custom: {
    50: '#555070',
    500: '#13133a',
    950: '#000000',
  },
}

SCSS

$custom: #13133a;
$custom-light: #555070;
$custom-dark: #000000;

JSON

{
  "hex": "#13133a",
  "rgb": {
    "r": 19,
    "g": 19,
    "b": 58
  },
  "hsl": {
    "h": 240,
    "s": 50.649,
    "l": 15.098
  },
  "oklch": {
    "l": 0.21444,
    "c": 0.07351,
    "h": 278.2
  },
  "luminance": 0.0091
}

Semantic roles & 50–950 ramp

primary

#13133A

secondary

#727236

accent

#DA4EDA

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #13133A

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

Preview Lab → · Contrast checker → · Palette generator →