#131B6D#131B6D

#131B6D is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.139 H 269.7°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#131B6D
RGB	rgb(19, 27, 109)
HSL	hsl(235, 70%, 25%)
HSV	hsv(235, 83%, 43%)
CMYK	cmyk(82.6%, 75.2%, 0%, 57.3%)
CIE-LAB	lab(15.62, 28.76, -48.02)
CIE-LCH	lch(15.62, 55.97, 300.92°)
OKLab	oklab(28.45% -0.0006 -0.1391)
OKLCH	oklch(28.45% 0.139 269.7)
XYZ	xyz(3.4199, 2.0261, 14.6759)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B6D #6D6513

analogous

#13486D #131B6D #38136D

triadic

#131B6D #6D131B #1B6D13

tetradic

#131B6D #6D1348 #6D6513 #136D38

square

#131B6D #6D1348 #6D6513 #136D38

split-complementary

#131B6D #6D3813 #486D13

monochromatic

#05061A #0A0E39 #131B6D #1C28A1 #2535D5

Accessibility & contrast

On white

14.94

#131B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#131B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B6D

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B6D	#FFFFFF	#000000	##FFFFFF
##131B6D	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6F

Deuteranopia (green-blind)

#00236C

Tritanopia (blue-blind)

#003242

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #131b6d;
/* rgb */ color: rgb(19, 27, 109);
/* oklch */ color: oklch(28.4% 0.139 269.7);

Tailwind

colors: {
  custom: {
    50: '#635898',
    500: '#131b6d',
    950: '#000000',
  },
}

SCSS

$custom: #131b6d;
$custom-light: #635898;
$custom-dark: #000000;

JSON

{
  "hex": "#131b6d",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 109
  },
  "hsl": {
    "h": 234.667,
    "s": 70.313,
    "l": 25.098
  },
  "oklch": {
    "l": 0.28448,
    "c": 0.13908,
    "h": 269.7
  },
  "luminance": 0.02026
}

Semantic roles & 50–950 ramp

primary

#131B6D

secondary

#A49A38

accent

#DD3BED

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #131B6D

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

Preview Lab → · Contrast checker → · Palette generator →