#131D6A#131D6A

#131D6A is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.5% C 0.133 H 269.5°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#131D6A
RGB	rgb(19, 29, 106)
HSL	hsl(233, 70%, 25%)
HSV	hsv(233, 82%, 42%)
CMYK	cmyk(82.1%, 72.6%, 0%, 58.4%)
CIE-LAB	lab(15.79, 26.25, -45.79)
CIE-LCH	lch(15.79, 52.78, 299.82°)
OKLab	oklab(28.47% -0.0013 -0.1326)
OKLCH	oklch(28.47% 0.133 269.5)
XYZ	xyz(3.3085, 2.0574, 13.8556)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D6A #6A6013

analogous

#13496A #131D6A #34136A

triadic

#131D6A #6A131D #1D6A13

tetradic

#131D6A #6A1349 #6A6013 #136A34

square

#131D6A #6A1349 #6A6013 #136A34

split-complementary

#131D6A #6A3413 #496A13

monochromatic

#05071A #0A0F36 #131D6A #1C2B9E #2639D2

Accessibility & contrast

On white

14.88

#131D6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#131D6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D6A

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D6A	#FFFFFF	#000000	##FFFFFF
##131D6A	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6C

Deuteranopia (green-blind)

#002369

Tritanopia (blue-blind)

#003241

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #131d6a;
/* rgb */ color: rgb(19, 29, 106);
/* oklch */ color: oklch(28.5% 0.133 269.5);

Tailwind

colors: {
  custom: {
    50: '#625995',
    500: '#131d6a',
    950: '#000000',
  },
}

SCSS

$custom: #131d6a;
$custom-light: #625995;
$custom-dark: #000000;

JSON

{
  "hex": "#131d6a",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 106
  },
  "hsl": {
    "h": 233.103,
    "s": 69.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.28467,
    "c": 0.13261,
    "h": 269.5
  },
  "luminance": 0.02058
}

Semantic roles & 50–950 ramp

primary

#131D6A

secondary

#A19538

accent

#D83BEC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #131D6A

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

Preview Lab → · Contrast checker → · Palette generator →