#131B6A#131B6A

#131B6A is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.1% C 0.135 H 269.9°. Best body text is #FFFFFF at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#131B6A
RGB	rgb(19, 27, 106)
HSL	hsl(234, 70%, 25%)
HSV	hsv(234, 82%, 42%)
CMYK	cmyk(82.1%, 74.5%, 0%, 58.4%)
CIE-LAB	lab(15.29, 27.60, -46.61)
CIE-LCH	lch(15.29, 54.17, 300.63°)
OKLab	oklab(28.11% -0.0002 -0.135)
OKLCH	oklch(28.11% 0.135 269.9)
XYZ	xyz(3.2611, 1.9626, 13.8398)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B6A #6A6213

analogous

#13476A #131B6A #37136A

triadic

#131B6A #6A131B #1B6A13

tetradic

#131B6A #6A1347 #6A6213 #136A37

square

#131B6A #6A1347 #6A6213 #136A37

split-complementary

#131B6A #6A3713 #476A13

monochromatic

#05071A #0A0E36 #131B6A #1C289E #2635D2

Accessibility & contrast

On white

15.08

#131B6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#131B6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B6A

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B6A	#FFFFFF	#000000	##FFFFFF
##131B6A	1.00	15.08	1.39	15.08
#FFFFFF	15.08	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6C

Deuteranopia (green-blind)

#002269

Tritanopia (blue-blind)

#003140

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #131b6a;
/* rgb */ color: rgb(19, 27, 106);
/* oklch */ color: oklch(28.1% 0.135 269.9);

Tailwind

colors: {
  custom: {
    50: '#625896',
    500: '#131b6a',
    950: '#000000',
  },
}

SCSS

$custom: #131b6a;
$custom-light: #625896;
$custom-dark: #000000;

JSON

{
  "hex": "#131b6a",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 106
  },
  "hsl": {
    "h": 234.483,
    "s": 69.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.28108,
    "c": 0.13498,
    "h": 269.9
  },
  "luminance": 0.01963
}

Semantic roles & 50–950 ramp

primary

#131B6A

secondary

#A19838

accent

#DC3BEC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #131B6A

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

Preview Lab → · Contrast checker → · Palette generator →