#131D6F#131D6F

#131D6F is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.0% C 0.140 H 269.3°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#131D6F
RGB	rgb(19, 29, 111)
HSL	hsl(233, 71%, 25%)
HSV	hsv(233, 83%, 44%)
CMYK	cmyk(82.9%, 73.9%, 0%, 56.5%)
CIE-LAB	lab(16.33, 28.20, -48.16)
CIE-LCH	lch(16.33, 55.81, 300.35°)
OKLab	oklab(29.02% -0.0018 -0.1395)
OKLCH	oklch(29.02% 0.14 269.3)
XYZ	xyz(3.5762, 2.1645, 15.2651)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D6F #6F6513

analogous

#134B6F #131D6F #37136F

triadic

#131D6F #6F131D #1D6F13

tetradic

#131D6F #6F134B #6F6513 #136F37

square

#131D6F #6F134B #6F6513 #136F37

split-complementary

#131D6F #6F3713 #4B6F13

monochromatic

#04071A #0A0F3B #131D6F #1C2BA3 #2538D8

Accessibility & contrast

On white

14.65

#131D6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#131D6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D6F

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D6F	#FFFFFF	#000000	##FFFFFF
##131D6F	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D71

Deuteranopia (green-blind)

#00246E

Tritanopia (blue-blind)

#003443

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #131d6f;
/* rgb */ color: rgb(19, 29, 111);
/* oklch */ color: oklch(29.0% 0.140 269.3);

Tailwind

colors: {
  custom: {
    50: '#635999',
    500: '#131d6f',
    950: '#000000',
  },
}

SCSS

$custom: #131d6f;
$custom-light: #635999;
$custom-dark: #000000;

JSON

{
  "hex": "#131d6f",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 111
  },
  "hsl": {
    "h": 233.478,
    "s": 70.769,
    "l": 25.49
  },
  "oklch": {
    "l": 0.29021,
    "c": 0.13951,
    "h": 269.3
  },
  "luminance": 0.02165
}

Semantic roles & 50–950 ramp

primary

#131D6F

secondary

#A69A38

accent

#DA3AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #131D6F

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

Preview Lab → · Contrast checker → · Palette generator →