#131C64#131C64

#131C64 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.6% C 0.125 H 270.0°. Best body text is #FFFFFF at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#131C64
RGB	rgb(19, 28, 100)
HSL	hsl(233, 68%, 23%)
HSV	hsv(233, 81%, 39%)
CMYK	cmyk(81%, 72%, 0%, 60.8%)
CIE-LAB	lab(14.89, 24.57, -43.32)
CIE-LCH	lch(14.89, 49.80, 299.56°)
OKLab	oklab(27.63% -0.0001 -0.1254)
OKLCH	oklch(27.63% 0.125 270)
XYZ	xyz(2.9833, 1.8887, 12.2615)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C64 #645B13

analogous

#134464 #131C64 #321364

triadic

#131C64 #64131C #1C6413

tetradic

#131C64 #641344 #645B13 #136432

square

#131C64 #641344 #645B13 #136432

split-complementary

#131C64 #643213 #446413

monochromatic

#05071A #090E31 #131C64 #1D2A97 #2739CB

Accessibility & contrast

On white

15.24

#131C64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#131C64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C64

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C64	#FFFFFF	#000000	##FFFFFF
##131C64	1.00	15.24	1.38	15.24
#FFFFFF	15.24	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002966

Deuteranopia (green-blind)

#002263

Tritanopia (blue-blind)

#00303D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #131c64;
/* rgb */ color: rgb(19, 28, 100);
/* oklch */ color: oklch(27.6% 0.125 270.0);

Tailwind

colors: {
  custom: {
    50: '#605891',
    500: '#131c64',
    950: '#000000',
  },
}

SCSS

$custom: #131c64;
$custom-light: #605891;
$custom-dark: #000000;

JSON

{
  "hex": "#131c64",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 100
  },
  "hsl": {
    "h": 233.333,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.27625,
    "c": 0.12537,
    "h": 270
  },
  "luminance": 0.01889
}

Semantic roles & 50–950 ramp

primary

#131C64

secondary

#9C9037

accent

#D83DEB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#05030D

muted

#79787E

Preview Lab

Preview with #131C64

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

Preview Lab → · Contrast checker → · Palette generator →