#131D4A#131D4A

#131D4A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.084 H 269.9°. Best body text is #FFFFFF at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#131D4A
RGB	rgb(19, 29, 74)
HSL	hsl(229, 59%, 18%)
HSV	hsv(229, 74%, 29%)
CMYK	cmyk(74.3%, 60.8%, 0%, 71%)
CIE-LAB	lab(12.68, 13.10, -29.38)
CIE-LCH	lch(12.68, 32.17, 294.04°)
OKLab	oklab(25.22% -0.0002 -0.0845)
OKLCH	oklch(25.22% 0.084 269.9)
XYZ	xyz(1.9435, 1.5114, 6.6665)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D4A #4A4013

analogous

#13384A #131D4A #24134A

triadic

#131D4A #4A131D #1D4A13

tetradic

#131D4A #4A1338 #4A4013 #134A24

square

#131D4A #4A1338 #4A4013 #134A24

split-complementary

#131D4A #4A2413 #384A13

monochromatic

#060A18 #060A19 #131D4A #20307B #2C43AB

Accessibility & contrast

On white

16.12

#131D4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#131D4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D4A

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D4A	#FFFFFF	#000000	##FFFFFF
##131D4A	1.00	16.12	1.30	16.12
#FFFFFF	16.12	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00234C

Deuteranopia (green-blind)

#001E49

Tritanopia (blue-blind)

#002830

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131d4a;
/* rgb */ color: rgb(19, 29, 74);
/* oklch */ color: oklch(25.2% 0.084 269.9);

Tailwind

colors: {
  custom: {
    50: '#59587d',
    500: '#131d4a',
    950: '#000000',
  },
}

SCSS

$custom: #131d4a;
$custom-light: #59587d;
$custom-dark: #000000;

JSON

{
  "hex": "#131d4a",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 74
  },
  "hsl": {
    "h": 229.091,
    "s": 59.14,
    "l": 18.235
  },
  "oklch": {
    "l": 0.25221,
    "c": 0.08448,
    "h": 269.9
  },
  "luminance": 0.01512
}

Semantic roles & 50–950 ramp

primary

#131D4A

secondary

#837536

accent

#C645E2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #131D4A

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

Preview Lab → · Contrast checker → · Palette generator →