#130F5B#130F5B

#130F5B is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.4% C 0.128 H 273.8°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#130F5B
RGB	rgb(19, 15, 91)
HSL	hsl(243, 72%, 21%)
HSV	hsv(243, 84%, 36%)
CMYK	cmyk(79.1%, 83.5%, 0%, 64.3%)
CIE-LAB	lab(10.81, 29.61, -44.04)
CIE-LCH	lch(10.81, 53.06, 303.91°)
OKLab	oklab(24.4% 0.0084 -0.1274)
OKLCH	oklch(24.4% 0.128 273.8)
XYZ	xyz(2.3271, 1.2352, 10.0113)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#130F5B #575B0F

analogous

#0F315B #130F5B #390F5B

triadic

#130F5B #5B130F #0F5B13

tetradic

#130F5B #5B0F31 #575B0F #0F5B39

square

#130F5B #5B0F31 #575B0F #0F5B39

split-complementary

#130F5B #5B390F #315B0F

monochromatic

#05041A #080626 #130F5B #1E1890 #2920C4

Accessibility & contrast

On white

16.84

#130F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#130F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #130F5B

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##130F5B	#FFFFFF	#000000	##FFFFFF
##130F5B	1.00	16.84	1.25	16.84
#FFFFFF	16.84	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#00195A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #130f5b;
/* rgb */ color: rgb(19, 15, 91);
/* oklch */ color: oklch(24.4% 0.128 273.8);

Tailwind

colors: {
  custom: {
    50: '#5f4f8a',
    500: '#130f5b',
    950: '#000000',
  },
}

SCSS

$custom: #130f5b;
$custom-light: #5f4f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#130f5b",
  "rgb": {
    "r": 19,
    "g": 15,
    "b": 91
  },
  "hsl": {
    "h": 243.158,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24403,
    "c": 0.12768,
    "h": 273.8
  },
  "luminance": 0.01235
}

Semantic roles & 50–950 ramp

primary

#130F5B

secondary

#8F9531

accent

#EE39E5

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #130F5B

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

Preview Lab → · Contrast checker → · Palette generator →