#131C65#131C65

#131C65 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.7% C 0.127 H 269.9°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#131C65
RGB	rgb(19, 28, 101)
HSL	hsl(233, 68%, 24%)
HSV	hsv(233, 81%, 40%)
CMYK	cmyk(81.2%, 72.3%, 0%, 60.4%)
CIE-LAB	lab(15.00, 24.96, -43.80)
CIE-LCH	lch(15.00, 50.42, 299.68°)
OKLab	oklab(27.73% -0.0002 -0.1268)
OKLCH	oklch(27.73% 0.127 269.9)
XYZ	xyz(3.0320, 1.9082, 12.5179)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C65 #655C13

analogous

#134565 #131C65 #331365

triadic

#131C65 #65131C #1C6513

tetradic

#131C65 #651345 #655C13 #136533

square

#131C65 #651345 #655C13 #136533

split-complementary

#131C65 #653313 #456513

monochromatic

#05071A #090E31 #131C65 #1D2A99 #2639CC

Accessibility & contrast

On white

15.20

#131C65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#131C65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C65

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C65	#FFFFFF	#000000	##FFFFFF
##131C65	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A67

Deuteranopia (green-blind)

#002264

Tritanopia (blue-blind)

#00303E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #131c65;
/* rgb */ color: rgb(19, 28, 101);
/* oklch */ color: oklch(27.7% 0.127 269.9);

Tailwind

colors: {
  custom: {
    50: '#605892',
    500: '#131c65',
    950: '#000000',
  },
}

SCSS

$custom: #131c65;
$custom-light: #605892;
$custom-dark: #000000;

JSON

{
  "hex": "#131c65",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 101
  },
  "hsl": {
    "h": 233.415,
    "s": 68.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27734,
    "c": 0.12679,
    "h": 269.9
  },
  "luminance": 0.01909
}

Semantic roles & 50–950 ramp

primary

#131C65

secondary

#9D9137

accent

#D83DEB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #131C65

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

Preview Lab → · Contrast checker → · Palette generator →