#131D4C#131D4C

#131D4C is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.4% C 0.088 H 270.0°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#131D4C
RGB	rgb(19, 29, 76)
HSL	hsl(229, 60%, 19%)
HSV	hsv(229, 75%, 30%)
CMYK	cmyk(75%, 61.8%, 0%, 70.2%)
CIE-LAB	lab(12.85, 13.95, -30.48)
CIE-LCH	lch(12.85, 33.52, 294.59°)
OKLab	oklab(25.4% -0.0001 -0.0877)
OKLCH	oklch(25.4% 0.088 270)
XYZ	xyz(2.0120, 1.5388, 7.0271)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D4C #4C4213

analogous

#13394C #131D4C #25134C

triadic

#131D4C #4C131D #1D4C13

tetradic

#131D4C #4C1339 #4C4213 #134C25

square

#131D4C #4C1339 #4C4213 #134C25

split-complementary

#131D4C #4C2513 #394C13

monochromatic

#060918 #070A1B #131D4C #1F307D #2B42AE

Accessibility & contrast

On white

16.06

#131D4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#131D4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D4C

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D4C	#FFFFFF	#000000	##FFFFFF
##131D4C	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244E

Deuteranopia (green-blind)

#001F4B

Tritanopia (blue-blind)

#002831

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131d4c;
/* rgb */ color: rgb(19, 29, 76);
/* oklch */ color: oklch(25.4% 0.088 270.0);

Tailwind

colors: {
  custom: {
    50: '#59587e',
    500: '#131d4c',
    950: '#000000',
  },
}

SCSS

$custom: #131d4c;
$custom-light: #59587e;
$custom-dark: #000000;

JSON

{
  "hex": "#131d4c",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 76
  },
  "hsl": {
    "h": 229.474,
    "s": 60,
    "l": 18.627
  },
  "oklch": {
    "l": 0.25404,
    "c": 0.08772,
    "h": 270
  },
  "luminance": 0.01539
}

Semantic roles & 50–950 ramp

primary

#131D4C

secondary

#857736

accent

#C745E3

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #131D4C

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

Preview Lab → · Contrast checker → · Palette generator →