#131B72#131B72

#131B72 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.146 H 269.5°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#131B72
RGB	rgb(19, 27, 114)
HSL	hsl(235, 71%, 26%)
HSV	hsv(235, 83%, 45%)
CMYK	cmyk(83.3%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(16.19, 30.66, -50.33)
CIE-LCH	lch(16.19, 58.94, 301.35°)
OKLab	oklab(29.02% -0.0013 -0.1458)
OKLCH	oklch(29.02% 0.146 269.5)
XYZ	xyz(3.6967, 2.1368, 16.1339)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B72 #726A13

analogous

#134A72 #131B72 #3A1372

triadic

#131B72 #72131B #1B7213

tetradic

#131B72 #72134A #726A13 #13723A

square

#131B72 #72134A #726A13 #13723A

split-complementary

#131B72 #723A13 #4A7213

monochromatic

#04061A #0A0F3E #131B72 #1C27A6 #2534DB

Accessibility & contrast

On white

14.71

#131B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#131B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B72

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B72	#FFFFFF	#000000	##FFFFFF
##131B72	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D75

Deuteranopia (green-blind)

#002370

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #131b72;
/* rgb */ color: rgb(19, 27, 114);
/* oklch */ color: oklch(29.0% 0.146 269.5);

Tailwind

colors: {
  custom: {
    50: '#64589c',
    500: '#131b72',
    950: '#000000',
  },
}

SCSS

$custom: #131b72;
$custom-light: #64589c;
$custom-dark: #000000;

JSON

{
  "hex": "#131b72",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 234.947,
    "s": 71.429,
    "l": 26.078
  },
  "oklch": {
    "l": 0.29022,
    "c": 0.14583,
    "h": 269.5
  },
  "luminance": 0.02137
}

Semantic roles & 50–950 ramp

primary

#131B72

secondary

#A99F38

accent

#DF3AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #131B72

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

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