#131755#131755

#131755 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.0% C 0.110 H 272.5°. Best body text is #FFFFFF at 16.39:1 contrast (WCAG AA passes).

Color values

HEX	#131755
RGB	rgb(19, 23, 85)
HSL	hsl(236, 63%, 20%)
HSV	hsv(236, 78%, 33%)
CMYK	cmyk(77.6%, 72.9%, 0%, 66.7%)
CIE-LAB	lab(12.00, 22.09, -38.02)
CIE-LCH	lch(12.00, 43.97, 300.16°)
OKLab	oklab(25.05% 0.0048 -0.1099)
OKLCH	oklch(25.05% 0.11 272.5)
XYZ	xyz(2.2141, 1.4069, 8.7474)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131755 #555113

analogous

#133855 #131755 #301355

triadic

#131755 #551317 #175513

tetradic

#131755 #551338 #555113 #135530

square

#131755 #551338 #555113 #135530

split-complementary

#131755 #553013 #385513

monochromatic

#060719 #080923 #131755 #1E2587 #2932B9

Accessibility & contrast

On white

16.39

#131755 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#131755 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131755

16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131755	#FFFFFF	#000000	##FFFFFF
##131755	1.00	16.39	1.28	16.39
#FFFFFF	16.39	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002357

Deuteranopia (green-blind)

#001C54

Tritanopia (blue-blind)

#002833

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #131755;
/* rgb */ color: rgb(19, 23, 85);
/* oklch */ color: oklch(25.0% 0.110 272.5);

Tailwind

colors: {
  custom: {
    50: '#5c5486',
    500: '#131755',
    950: '#000000',
  },
}

SCSS

$custom: #131755;
$custom-light: #5c5486;
$custom-dark: #000000;

JSON

{
  "hex": "#131755",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 85
  },
  "hsl": {
    "h": 236.364,
    "s": 63.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.25046,
    "c": 0.11,
    "h": 272.5
  },
  "luminance": 0.01407
}

Semantic roles & 50–950 ramp

primary

#131755

secondary

#8D8836

accent

#DC41E6

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #131755

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

Preview Lab → · Contrast checker → · Palette generator →