#13153A#13153A

#13153A is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.9% C 0.070 H 276.6°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#13153A
RGB	rgb(19, 21, 58)
HSL	hsl(237, 51%, 15%)
HSV	hsv(237, 67%, 23%)
CMYK	cmyk(67.2%, 63.8%, 0%, 77.3%)
CIE-LAB	lab(8.83, 12.57, -24.36)
CIE-LCH	lch(8.83, 27.41, 297.31°)
OKLab	oklab(21.9% 0.0081 -0.0698)
OKLCH	oklch(21.9% 0.07 276.6)
XYZ	xyz(1.3002, 0.9802, 4.1228)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13153A #3A3813

analogous

#13283A #13153A #24133A

triadic

#13153A #3A1315 #153A13

tetradic

#13153A #3A1328 #3A3813 #133A24

square

#13153A #3A1328 #3A3813 #133A24

split-complementary

#13153A #3A2413 #283A13

monochromatic

#080817 #080817 #13153A #222668 #313696

Accessibility & contrast

On white

17.56

#13153A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#13153A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13153A

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13153A	#FFFFFF	#000000	##FFFFFF
##13153A	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011B3B

Deuteranopia (green-blind)

#001839

Tritanopia (blue-blind)

#001E25

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #13153a;
/* rgb */ color: rgb(19, 21, 58);
/* oklch */ color: oklch(21.9% 0.070 276.6);

Tailwind

colors: {
  custom: {
    50: '#555270',
    500: '#13153a',
    950: '#000000',
  },
}

SCSS

$custom: #13153a;
$custom-light: #555270;
$custom-dark: #000000;

JSON

{
  "hex": "#13153a",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 58
  },
  "hsl": {
    "h": 236.923,
    "s": 50.649,
    "l": 15.098
  },
  "oklch": {
    "l": 0.21898,
    "c": 0.07028,
    "h": 276.6
  },
  "luminance": 0.0098
}

Semantic roles & 50–950 ramp

primary

#13153A

secondary

#726F36

accent

#D34EDA

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #13153A

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

Preview Lab → · Contrast checker → · Palette generator →