#131C4D#131C4D

#131C4D is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.3% C 0.091 H 270.6°. Best body text is #FFFFFF at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#131C4D
RGB	rgb(19, 28, 77)
HSL	hsl(231, 60%, 19%)
HSV	hsv(231, 75%, 30%)
CMYK	cmyk(75.3%, 63.6%, 0%, 69.8%)
CIE-LAB	lab(12.64, 15.13, -31.51)
CIE-LCH	lch(12.64, 34.96, 295.64°)
OKLab	oklab(25.27% 0.001 -0.0908)
OKLCH	oklch(25.27% 0.091 270.6)
XYZ	xyz(2.0229, 1.5046, 7.2035)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C4D #4D4413

analogous

#13394D #131C4D #27134D

triadic

#131C4D #4D131C #1C4D13

tetradic

#131C4D #4D1339 #4D4413 #134D27

square

#131C4D #4D1339 #4D4413 #134D27

split-complementary

#131C4D #4D2713 #394D13

monochromatic

#060919 #070A1C #131C4D #1F2E7E #2B40AF

Accessibility & contrast

On white

16.14

#131C4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#131C4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C4D

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C4D	#FFFFFF	#000000	##FFFFFF
##131C4D	1.00	16.14	1.30	16.14
#FFFFFF	16.14	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244F

Deuteranopia (green-blind)

#001E4C

Tritanopia (blue-blind)

#002831

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131c4d;
/* rgb */ color: rgb(19, 28, 77);
/* oklch */ color: oklch(25.3% 0.091 270.6);

Tailwind

colors: {
  custom: {
    50: '#5a577f',
    500: '#131c4d',
    950: '#000000',
  },
}

SCSS

$custom: #131c4d;
$custom-light: #5a577f;
$custom-dark: #000000;

JSON

{
  "hex": "#131c4d",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 77
  },
  "hsl": {
    "h": 230.69,
    "s": 60.417,
    "l": 18.824
  },
  "oklch": {
    "l": 0.25271,
    "c": 0.09078,
    "h": 270.6
  },
  "luminance": 0.01505
}

Semantic roles & 50–950 ramp

primary

#131C4D

secondary

#867936

accent

#CB44E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #131C4D

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

Preview Lab → · Contrast checker → · Palette generator →