#131B50#131B50

#131B50 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.3% C 0.097 H 271.1°. Best body text is #FFFFFF at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#131B50
RGB	rgb(19, 27, 80)
HSL	hsl(232, 62%, 19%)
HSV	hsv(232, 76%, 31%)
CMYK	cmyk(76.3%, 66.3%, 0%, 68.6%)
CIE-LAB	lab(12.62, 17.13, -33.61)
CIE-LCH	lch(12.62, 37.72, 297.01°)
OKLab	oklab(25.34% 0.0019 -0.0969)
OKLCH	oklch(25.34% 0.097 271.1)
XYZ	xyz(2.1080, 1.5013, 7.7665)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B50 #504813

analogous

#133A50 #131B50 #2A1350

triadic

#131B50 #50131B #1B5013

tetradic

#131B50 #50133A #504813 #13502A

square

#131B50 #50133A #504813 #13502A

split-complementary

#131B50 #502A13 #3A5013

monochromatic

#060819 #070A1F #131B50 #1F2C81 #2A3CB3

Accessibility & contrast

On white

16.15

#131B50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#131B50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B50

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B50	#FFFFFF	#000000	##FFFFFF
##131B50	1.00	16.15	1.30	16.15
#FFFFFF	16.15	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002452

Deuteranopia (green-blind)

#001E4F

Tritanopia (blue-blind)

#002832

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131b50;
/* rgb */ color: rgb(19, 27, 80);
/* oklch */ color: oklch(25.3% 0.097 271.1);

Tailwind

colors: {
  custom: {
    50: '#5a5782',
    500: '#131b50',
    950: '#000000',
  },
}

SCSS

$custom: #131b50;
$custom-light: #5a5782;
$custom-dark: #000000;

JSON

{
  "hex": "#131b50",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 80
  },
  "hsl": {
    "h": 232.131,
    "s": 61.616,
    "l": 19.412
  },
  "oklch": {
    "l": 0.25342,
    "c": 0.09696,
    "h": 271.1
  },
  "luminance": 0.01502
}

Semantic roles & 50–950 ramp

primary

#131B50

secondary

#897E36

accent

#D043E5

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #131B50

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

Preview Lab → · Contrast checker → · Palette generator →