#131E4F#131E4F

#131E4F is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.091 H 269.4°. Best body text is #FFFFFF at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#131E4F
RGB	rgb(19, 30, 79)
HSL	hsl(229, 61%, 19%)
HSV	hsv(229, 76%, 31%)
CMYK	cmyk(75.9%, 62%, 0%, 69%)
CIE-LAB	lab(13.42, 14.46, -31.61)
CIE-LCH	lch(13.42, 34.76, 294.58°)
OKLab	oklab(25.91% -0.0009 -0.0911)
OKLCH	oklch(25.91% 0.091 269.4)
XYZ	xyz(2.1436, 1.6313, 7.5975)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131E4F #4F4413

analogous

#133C4F #131E4F #26134F

triadic

#131E4F #4F131E #1E4F13

tetradic

#131E4F #4F133C #4F4413 #134F26

square

#131E4F #4F133C #4F4413 #134F26

split-complementary

#131E4F #4F2613 #3C4F13

monochromatic

#060919 #070B1E #131E4F #1F3180 #2B43B2

Accessibility & contrast

On white

15.83

#131E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#131E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131E4F

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131E4F	#FFFFFF	#000000	##FFFFFF
##131E4F	1.00	15.83	1.33	15.83
#FFFFFF	15.83	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002551

Deuteranopia (green-blind)

#00204E

Tritanopia (blue-blind)

#002A33

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #131e4f;
/* rgb */ color: rgb(19, 30, 79);
/* oklch */ color: oklch(25.9% 0.091 269.4);

Tailwind

colors: {
  custom: {
    50: '#5a5981',
    500: '#131e4f',
    950: '#000000',
  },
}

SCSS

$custom: #131e4f;
$custom-light: #5a5981;
$custom-dark: #000000;

JSON

{
  "hex": "#131e4f",
  "rgb": {
    "r": 19,
    "g": 30,
    "b": 79
  },
  "hsl": {
    "h": 229,
    "s": 61.224,
    "l": 19.216
  },
  "oklch": {
    "l": 0.25911,
    "c": 0.09105,
    "h": 269.4
  },
  "luminance": 0.01632
}

Semantic roles & 50–950 ramp

primary

#131E4F

secondary

#887936

accent

#C743E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #131E4F

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

Preview Lab → · Contrast checker → · Palette generator →