#131C6F#131C6F

#131C6F is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.8% C 0.141 H 269.5°. Best body text is #FFFFFF at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#131C6F
RGB	rgb(19, 28, 111)
HSL	hsl(234, 71%, 25%)
HSV	hsv(234, 83%, 44%)
CMYK	cmyk(82.9%, 74.8%, 0%, 56.5%)
CIE-LAB	lab(16.09, 28.87, -48.56)
CIE-LCH	lch(16.09, 56.49, 300.73°)
OKLab	oklab(28.85% -0.0013 -0.1407)
OKLCH	oklch(28.85% 0.141 269.5)
XYZ	xyz(3.5521, 2.1162, 15.2571)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C6F #6F6613

analogous

#134A6F #131C6F #38136F

triadic

#131C6F #6F131C #1C6F13

tetradic

#131C6F #6F134A #6F6613 #136F38

square

#131C6F #6F134A #6F6613 #136F38

split-complementary

#131C6F #6F3813 #4A6F13

monochromatic

#04071A #0A0F3B #131C6F #1C29A3 #2536D8

Accessibility & contrast

On white

14.75

#131C6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#131C6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C6F

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C6F	#FFFFFF	#000000	##FFFFFF
##131C6F	1.00	14.75	1.42	14.75
#FFFFFF	14.75	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C71

Deuteranopia (green-blind)

#00236E

Tritanopia (blue-blind)

#003443

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #131c6f;
/* rgb */ color: rgb(19, 28, 111);
/* oklch */ color: oklch(28.8% 0.141 269.5);

Tailwind

colors: {
  custom: {
    50: '#635899',
    500: '#131c6f',
    950: '#000000',
  },
}

SCSS

$custom: #131c6f;
$custom-light: #635899;
$custom-dark: #000000;

JSON

{
  "hex": "#131c6f",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 111
  },
  "hsl": {
    "h": 234.13,
    "s": 70.769,
    "l": 25.49
  },
  "oklch": {
    "l": 0.28847,
    "c": 0.14067,
    "h": 269.5
  },
  "luminance": 0.02117
}

Semantic roles & 50–950 ramp

primary

#131C6F

secondary

#A69B38

accent

#DC3AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #131C6F

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

Preview Lab → · Contrast checker → · Palette generator →