#131055#131055

#131055 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.8% C 0.118 H 274.5°. Best body text is #FFFFFF at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#131055
RGB	rgb(19, 16, 85)
HSL	hsl(243, 68%, 20%)
HSV	hsv(243, 81%, 33%)
CMYK	cmyk(77.6%, 81.2%, 0%, 66.7%)
CIE-LAB	lab(10.29, 26.81, -40.83)
CIE-LCH	lch(10.29, 48.84, 303.29°)
OKLab	oklab(23.82% 0.0093 -0.1181)
OKLCH	oklch(23.82% 0.118 274.5)
XYZ	xyz(2.0930, 1.1647, 8.7071)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131055 #525510

analogous

#102F55 #131055 #361055

triadic

#131055 #551310 #105513

tetradic

#131055 #55102F #525510 #105536

square

#131055 #55102F #525510 #105536

split-complementary

#131055 #553610 #2F5510

monochromatic

#06051A #070621 #131055 #1F1A89 #2A23BC

Accessibility & contrast

On white

17.03

#131055 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#131055 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131055

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131055	#FFFFFF	#000000	##FFFFFF
##131055	1.00	17.03	1.23	17.03
#FFFFFF	17.03	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F57

Deuteranopia (green-blind)

#001954

Tritanopia (blue-blind)

#002431

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #131055;
/* rgb */ color: rgb(19, 16, 85);
/* oklch */ color: oklch(23.8% 0.118 274.5);

Tailwind

colors: {
  custom: {
    50: '#5d4f86',
    500: '#131055',
    950: '#000000',
  },
}

SCSS

$custom: #131055;
$custom-light: #5d4f86;
$custom-dark: #000000;

JSON

{
  "hex": "#131055",
  "rgb": {
    "r": 19,
    "g": 16,
    "b": 85
  },
  "hsl": {
    "h": 242.609,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.23821,
    "c": 0.11846,
    "h": 274.5
  },
  "luminance": 0.01165
}

Semantic roles & 50–950 ramp

primary

#131055

secondary

#8A8F32

accent

#EB3DE4

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #131055

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

Preview Lab → · Contrast checker → · Palette generator →