#130B40#130B40

#130B40 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.5% C 0.094 H 281.0°. Best body text is #FFFFFF at 18.27:1 contrast (WCAG AA passes).

Color values

HEX	#130B40
RGB	rgb(19, 11, 64)
HSL	hsl(249, 71%, 15%)
HSV	hsv(249, 83%, 25%)
CMYK	cmyk(70.3%, 82.8%, 0%, 74.9%)
CIE-LAB	lab(6.76, 21.90, -32.02)
CIE-LCH	lch(6.76, 38.80, 304.37°)
OKLab	oklab(20.52% 0.018 -0.0927)
OKLCH	oklch(20.52% 0.094 281)
XYZ	xyz(1.3134, 0.7479, 4.9246)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 3.61

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#130B40 #38400B

analogous

#0B1D40 #130B40 #2E0B40

triadic

#130B40 #40130B #0B4013

tetradic

#130B40 #400B1D #38400B #0B402E

square

#130B40 #400B1D #38400B #0B402E

split-complementary

#130B40 #402E0B #1D400B

monochromatic

#08041A #08041A #130B40 #231474 #321DA8

Accessibility & contrast

On white

18.27

#130B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#130B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #130B40

18.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##130B40	#FFFFFF	#000000	##FFFFFF
##130B40	1.00	18.27	1.15	18.27
#FFFFFF	18.27	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001742

Deuteranopia (green-blind)

#00133F

Tritanopia (blue-blind)

#001A24

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #130b40;
/* rgb */ color: rgb(19, 11, 64);
/* oklch */ color: oklch(20.5% 0.094 281.0);

Tailwind

colors: {
  custom: {
    50: '#584b75',
    500: '#130b40',
    950: '#000000',
  },
}

SCSS

$custom: #130b40;
$custom-light: #584b75;
$custom-dark: #000000;

JSON

{
  "hex": "#130b40",
  "rgb": {
    "r": 19,
    "g": 11,
    "b": 64
  },
  "hsl": {
    "h": 249.057,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.20524,
    "c": 0.09444,
    "h": 281
  },
  "luminance": 0.00748
}

Semantic roles & 50–950 ramp

primary

#130B40

secondary

#707D2A

accent

#ED3AD2

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #130B40

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

Preview Lab → · Contrast checker → · Palette generator →