#13155B#13155B

#13155B is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.4% C 0.121 H 272.5°. Best body text is #FFFFFF at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#13155B
RGB	rgb(19, 21, 91)
HSL	hsl(238, 65%, 22%)
HSV	hsv(238, 79%, 36%)
CMYK	cmyk(79.1%, 76.9%, 0%, 64.3%)
CIE-LAB	lab(12.16, 25.82, -41.82)
CIE-LCH	lch(12.16, 49.15, 301.69°)
OKLab	oklab(25.35% 0.0053 -0.121)
OKLCH	oklch(25.35% 0.121 272.5)
XYZ	xyz(2.4244, 1.4299, 10.0437)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13155B #5B5913

analogous

#13395B #13155B #35135B

triadic

#13155B #5B1315 #155B13

tetradic

#13155B #5B1339 #5B5913 #135B35

square

#13155B #5B1339 #5B5913 #135B35

split-complementary

#13155B #5B3513 #395B13

monochromatic

#050619 #080928 #13155B #1E218E #282CC0

Accessibility & contrast

On white

16.33

#13155B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#13155B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13155B

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13155B	#FFFFFF	#000000	##FFFFFF
##13155B	1.00	16.33	1.29	16.33
#FFFFFF	16.33	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235D

Deuteranopia (green-blind)

#001C5A

Tritanopia (blue-blind)

#002936

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #13155b;
/* rgb */ color: rgb(19, 21, 91);
/* oklch */ color: oklch(25.4% 0.121 272.5);

Tailwind

colors: {
  custom: {
    50: '#5e538a',
    500: '#13155b',
    950: '#000000',
  },
}

SCSS

$custom: #13155b;
$custom-light: #5e538a;
$custom-dark: #000000;

JSON

{
  "hex": "#13155b",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 91
  },
  "hsl": {
    "h": 238.333,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.25354,
    "c": 0.12112,
    "h": 272.5
  },
  "luminance": 0.0143
}

Semantic roles & 50–950 ramp

primary

#13155B

secondary

#939137

accent

#E43FE8

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #13155B

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

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