#131681#131681

#131681 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.170 H 269.2°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#131681
RGB	rgb(19, 22, 129)
HSL	hsl(238, 74%, 29%)
HSV	hsv(238, 85%, 51%)
CMYK	cmyk(85.3%, 82.9%, 0%, 49.4%)
CIE-LAB	lab(16.97, 38.98, -58.65)
CIE-LCH	lch(16.97, 70.42, 303.61°)
OKLab	oklab(30.11% -0.0024 -0.1699)
OKLCH	oklch(30.11% 0.17 269.2)
XYZ	xyz(4.5166, 2.2967, 20.9699)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131681 #817E13

analogous

#134D81 #131681 #471381

triadic

#131681 #811316 #168113

tetradic

#131681 #81134D #817E13 #138147

square

#131681 #81134D #817E13 #138147

split-complementary

#131681 #814713 #4D8113

monochromatic

#04051B #0B0D4C #131681 #1B1FB6 #2E33E0

Accessibility & contrast

On white

14.39

#131681 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#131681 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131681

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131681	#FFFFFF	#000000	##FFFFFF
##131681	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F84

Deuteranopia (green-blind)

#00247F

Tritanopia (blue-blind)

#00384C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #131681;
/* rgb */ color: rgb(19, 22, 129);
/* oklch */ color: oklch(30.1% 0.170 269.2);

Tailwind

colors: {
  custom: {
    50: '#6956a7',
    500: '#131681',
    950: '#000000',
  },
}

SCSS

$custom: #131681;
$custom-light: #6956a7;
$custom-dark: #000000;

JSON

{
  "hex": "#131681",
  "rgb": {
    "r": 19,
    "g": 22,
    "b": 129
  },
  "hsl": {
    "h": 238.364,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30106,
    "c": 0.16988,
    "h": 269.2
  },
  "luminance": 0.02297
}

Semantic roles & 50–950 ramp

primary

#131681

secondary

#B6B33A

accent

#EC37F1

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080310

muted

#7A787F

Preview Lab

Preview with #131681

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

Preview Lab → · Contrast checker → · Palette generator →