#131D64#131D64

#131D64 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.8% C 0.124 H 269.7°. Best body text is #FFFFFF at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#131D64
RGB	rgb(19, 29, 100)
HSL	hsl(233, 68%, 23%)
HSV	hsv(233, 81%, 39%)
CMYK	cmyk(81%, 71%, 0%, 60.8%)
CIE-LAB	lab(15.15, 23.87, -42.89)
CIE-LCH	lch(15.15, 49.08, 299.09°)
OKLab	oklab(27.82% -0.0007 -0.1241)
OKLCH	oklch(27.82% 0.124 269.7)
XYZ	xyz(3.0074, 1.9369, 12.2695)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D64 #645A13

analogous

#134564 #131D64 #311364

triadic

#131D64 #64131D #1D6413

tetradic

#131D64 #641345 #645A13 #136431

square

#131D64 #641345 #645A13 #136431

split-complementary

#131D64 #643113 #456413

monochromatic

#05071A #090E31 #131D64 #1D2C97 #273BCB

Accessibility & contrast

On white

15.14

#131D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#131D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D64

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D64	#FFFFFF	#000000	##FFFFFF
##131D64	1.00	15.14	1.39	15.14
#FFFFFF	15.14	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A66

Deuteranopia (green-blind)

#002263

Tritanopia (blue-blind)

#00303D

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #131d64;
/* rgb */ color: rgb(19, 29, 100);
/* oklch */ color: oklch(27.8% 0.124 269.7);

Tailwind

colors: {
  custom: {
    50: '#605991',
    500: '#131d64',
    950: '#000000',
  },
}

SCSS

$custom: #131d64;
$custom-light: #605991;
$custom-dark: #000000;

JSON

{
  "hex": "#131d64",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 100
  },
  "hsl": {
    "h": 232.593,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.27815,
    "c": 0.12412,
    "h": 269.7
  },
  "luminance": 0.01937
}

Semantic roles & 50–950 ramp

primary

#131D64

secondary

#9C8F37

accent

#D53DEB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#05030D

muted

#79787E

Preview Lab

Preview with #131D64

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

Preview Lab → · Contrast checker → · Palette generator →