#131D63#131D63

#131D63 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.7% C 0.123 H 269.7°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#131D63
RGB	rgb(19, 29, 99)
HSL	hsl(233, 68%, 23%)
HSV	hsv(233, 81%, 39%)
CMYK	cmyk(80.8%, 70.7%, 0%, 61.2%)
CIE-LAB	lab(15.05, 23.46, -42.40)
CIE-LCH	lch(15.05, 48.46, 298.96°)
OKLab	oklab(27.71% -0.0006 -0.1227)
OKLCH	oklch(27.71% 0.123 269.7)
XYZ	xyz(2.9593, 1.9177, 12.0162)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D63 #635913

analogous

#134563 #131D63 #311363

triadic

#131D63 #63131D #1D6313

tetradic

#131D63 #631345 #635913 #136331

square

#131D63 #631345 #635913 #136331

split-complementary

#131D63 #633113 #456313

monochromatic

#05081A #090E30 #131D63 #1D2C96 #273BCA

Accessibility & contrast

On white

15.18

#131D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#131D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D63

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D63	#FFFFFF	#000000	##FFFFFF
##131D63	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A65

Deuteranopia (green-blind)

#002262

Tritanopia (blue-blind)

#00303D

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #131d63;
/* rgb */ color: rgb(19, 29, 99);
/* oklch */ color: oklch(27.7% 0.123 269.7);

Tailwind

colors: {
  custom: {
    50: '#605990',
    500: '#131d63',
    950: '#000000',
  },
}

SCSS

$custom: #131d63;
$custom-light: #605990;
$custom-dark: #000000;

JSON

{
  "hex": "#131d63",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 99
  },
  "hsl": {
    "h": 232.5,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.27708,
    "c": 0.12268,
    "h": 269.7
  },
  "luminance": 0.01918
}

Semantic roles & 50–950 ramp

primary

#131D63

secondary

#9B8E37

accent

#D53DEB

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030D

muted

#7A787D

Preview Lab

Preview with #131D63

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

Preview Lab → · Contrast checker → · Palette generator →