#131C4C#131C4C

#131C4C is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.089 H 270.6°. Best body text is #FFFFFF at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#131C4C
RGB	rgb(19, 28, 76)
HSL	hsl(231, 60%, 19%)
HSV	hsv(231, 75%, 30%)
CMYK	cmyk(75%, 63.2%, 0%, 70.2%)
CIE-LAB	lab(12.55, 14.71, -30.97)
CIE-LCH	lch(12.55, 34.29, 295.40°)
OKLab	oklab(25.18% 0.0009 -0.0892)
OKLCH	oklch(25.18% 0.089 270.6)
XYZ	xyz(1.9879, 1.4906, 7.0190)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.34

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C4C #4C4313

analogous

#13384C #131C4C #26134C

triadic

#131C4C #4C131C #1C4C13

tetradic

#131C4C #4C1338 #4C4313 #134C26

square

#131C4C #4C1338 #4C4313 #134C26

split-complementary

#131C4C #4C2613 #384C13

monochromatic

#060918 #070A1B #131C4C #1F2E7D #2B40AE

Accessibility & contrast

On white

16.18

#131C4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#131C4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C4C

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C4C	#FFFFFF	#000000	##FFFFFF
##131C4C	1.00	16.18	1.30	16.18
#FFFFFF	16.18	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00234E

Deuteranopia (green-blind)

#001E4B

Tritanopia (blue-blind)

#002830

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131c4c;
/* rgb */ color: rgb(19, 28, 76);
/* oklch */ color: oklch(25.2% 0.089 270.6);

Tailwind

colors: {
  custom: {
    50: '#59577e',
    500: '#131c4c',
    950: '#000000',
  },
}

SCSS

$custom: #131c4c;
$custom-light: #59577e;
$custom-dark: #000000;

JSON

{
  "hex": "#131c4c",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 76
  },
  "hsl": {
    "h": 230.526,
    "s": 60,
    "l": 18.627
  },
  "oklch": {
    "l": 0.25176,
    "c": 0.08919,
    "h": 270.6
  },
  "luminance": 0.01491
}

Semantic roles & 50–950 ramp

primary

#131C4C

secondary

#857836

accent

#CA45E3

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #131C4C

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

Preview Lab → · Contrast checker → · Palette generator →