#131B46#131B46

#131B46 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.4% C 0.081 H 271.2°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#131B46
RGB	rgb(19, 27, 70)
HSL	hsl(231, 57%, 17%)
HSV	hsv(231, 73%, 27%)
CMYK	cmyk(72.9%, 61.4%, 0%, 72.5%)
CIE-LAB	lab(11.72, 12.94, -28.16)
CIE-LCH	lch(11.72, 30.99, 294.68°)
OKLab	oklab(24.39% 0.0017 -0.0809)
OKLCH	oklch(24.39% 0.081 271.2)
XYZ	xyz(1.7656, 1.3644, 5.9635)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B46 #463E13

analogous

#133546 #131B46 #241346

triadic

#131B46 #46131B #1B4613

tetradic

#131B46 #461335 #463E13 #134624

square

#131B46 #461335 #463E13 #134624

split-complementary

#131B46 #462413 #354613

monochromatic

#070918 #070918 #131B46 #202E76 #2D40A6

Accessibility & contrast

On white

16.50

#131B46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#131B46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B46

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B46	#FFFFFF	#000000	##FFFFFF
##131B46	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002147

Deuteranopia (green-blind)

#001D45

Tritanopia (blue-blind)

#00252D

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131b46;
/* rgb */ color: rgb(19, 27, 70);
/* oklch */ color: oklch(24.4% 0.081 271.2);

Tailwind

colors: {
  custom: {
    50: '#58577a',
    500: '#131b46',
    950: '#000000',
  },
}

SCSS

$custom: #131b46;
$custom-light: #58577a;
$custom-dark: #000000;

JSON

{
  "hex": "#131b46",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 70
  },
  "hsl": {
    "h": 230.588,
    "s": 57.303,
    "l": 17.451
  },
  "oklch": {
    "l": 0.2439,
    "c": 0.08096,
    "h": 271.2
  },
  "luminance": 0.01365
}

Semantic roles & 50–950 ramp

primary

#131B46

secondary

#7F7336

accent

#C947E1

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #131B46

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

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