#131D65#131D65

#131D65 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 27.9% C 0.126 H 269.6°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#131D65
RGB	rgb(19, 29, 101)
HSL	hsl(233, 68%, 24%)
HSV	hsv(233, 81%, 40%)
CMYK	cmyk(81.2%, 71.3%, 0%, 60.4%)
CIE-LAB	lab(15.26, 24.27, -43.38)
CIE-LCH	lch(15.26, 49.71, 299.22°)
OKLab	oklab(27.92% -0.0008 -0.1255)
OKLCH	oklch(27.92% 0.126 269.6)
XYZ	xyz(3.0561, 1.9564, 12.5260)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D65 #655B13

analogous

#134665 #131D65 #321365

triadic

#131D65 #65131D #1D6513

tetradic

#131D65 #651346 #655B13 #136532

square

#131D65 #651346 #655B13 #136532

split-complementary

#131D65 #653213 #466513

monochromatic

#05071A #090E31 #131D65 #1D2C99 #263BCC

Accessibility & contrast

On white

15.09

#131D65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#131D65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D65

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D65	#FFFFFF	#000000	##FFFFFF
##131D65	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A67

Deuteranopia (green-blind)

#002264

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #131d65;
/* rgb */ color: rgb(19, 29, 101);
/* oklch */ color: oklch(27.9% 0.126 269.6);

Tailwind

colors: {
  custom: {
    50: '#605992',
    500: '#131d65',
    950: '#000000',
  },
}

SCSS

$custom: #131d65;
$custom-light: #605992;
$custom-dark: #000000;

JSON

{
  "hex": "#131d65",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 101
  },
  "hsl": {
    "h": 232.683,
    "s": 68.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27922,
    "c": 0.12555,
    "h": 269.6
  },
  "luminance": 0.01957
}

Semantic roles & 50–950 ramp

primary

#131D65

secondary

#9D9037

accent

#D63DEB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #131D65

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

Preview Lab → · Contrast checker → · Palette generator →