#131D45#131D45

#131D45 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.8% C 0.076 H 269.5°. Best body text is #FFFFFF at 16.29:1 contrast (WCAG AA passes).

Color values

HEX	#131D45
RGB	rgb(19, 29, 69)
HSL	hsl(228, 57%, 17%)
HSV	hsv(228, 72%, 27%)
CMYK	cmyk(72.5%, 58%, 0%, 72.9%)
CIE-LAB	lab(12.27, 10.99, -26.58)
CIE-LCH	lch(12.27, 28.76, 292.46°)
OKLab	oklab(24.78% -0.0006 -0.0763)
OKLCH	oklch(24.78% 0.076 269.5)
XYZ	xyz(1.7817, 1.4467, 5.8144)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D45 #453B13

analogous

#133645 #131D45 #221345

triadic

#131D45 #45131D #1D4513

tetradic

#131D45 #451336 #453B13 #134522

square

#131D45 #451336 #453B13 #134522

split-complementary

#131D45 #452213 #364513

monochromatic

#070A18 #070A18 #131D45 #203175 #2D45A5

Accessibility & contrast

On white

16.29

#131D45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#131D45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D45

16.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D45	#FFFFFF	#000000	##FFFFFF
##131D45	1.00	16.29	1.29	16.29
#FFFFFF	16.29	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062246

Deuteranopia (green-blind)

#001E44

Tritanopia (blue-blind)

#00262D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #131d45;
/* rgb */ color: rgb(19, 29, 69);
/* oklch */ color: oklch(24.8% 0.076 269.5);

Tailwind

colors: {
  custom: {
    50: '#575879',
    500: '#131d45',
    950: '#000000',
  },
}

SCSS

$custom: #131d45;
$custom-light: #575879;
$custom-dark: #000000;

JSON

{
  "hex": "#131d45",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 69
  },
  "hsl": {
    "h": 228,
    "s": 56.818,
    "l": 17.255
  },
  "oklch": {
    "l": 0.24776,
    "c": 0.07626,
    "h": 269.5
  },
  "luminance": 0.01447
}

Semantic roles & 50–950 ramp

primary

#131D45

secondary

#7E6F36

accent

#C248E0

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #131D45

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

Preview Lab → · Contrast checker → · Palette generator →