#131C4F#131C4F

#131C4F is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.5% C 0.094 H 270.6°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#131C4F
RGB	rgb(19, 28, 79)
HSL	hsl(231, 61%, 19%)
HSV	hsv(231, 76%, 31%)
CMYK	cmyk(75.9%, 64.6%, 0%, 69%)
CIE-LAB	lab(12.82, 15.97, -32.59)
CIE-LCH	lch(12.82, 36.29, 296.10°)
OKLab	oklab(25.46% 0.001 -0.094)
OKLCH	oklch(25.46% 0.094 270.6)
XYZ	xyz(2.0946, 1.5333, 7.5812)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C4F #4F4613

analogous

#133A4F #131C4F #28134F

triadic

#131C4F #4F131C #1C4F13

tetradic

#131C4F #4F133A #4F4613 #134F28

square

#131C4F #4F133A #4F4613 #134F28

split-complementary

#131C4F #4F2813 #3A4F13

monochromatic

#060919 #070B1E #131C4F #1F2D80 #2B3FB2

Accessibility & contrast

On white

16.07

#131C4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#131C4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C4F

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C4F	#FFFFFF	#000000	##FFFFFF
##131C4F	1.00	16.07	1.31	16.07
#FFFFFF	16.07	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002451

Deuteranopia (green-blind)

#001F4E

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131c4f;
/* rgb */ color: rgb(19, 28, 79);
/* oklch */ color: oklch(25.5% 0.094 270.6);

Tailwind

colors: {
  custom: {
    50: '#5a5781',
    500: '#131c4f',
    950: '#000000',
  },
}

SCSS

$custom: #131c4f;
$custom-light: #5a5781;
$custom-dark: #000000;

JSON

{
  "hex": "#131c4f",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 79
  },
  "hsl": {
    "h": 231,
    "s": 61.224,
    "l": 19.216
  },
  "oklch": {
    "l": 0.25462,
    "c": 0.09396,
    "h": 270.6
  },
  "luminance": 0.01533
}

Semantic roles & 50–950 ramp

primary

#131C4F

secondary

#887B36

accent

#CC43E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #131C4F

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

Preview Lab → · Contrast checker → · Palette generator →