#131057#131057

#131057 is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.1% C 0.121 H 274.2°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#131057
RGB	rgb(19, 16, 87)
HSL	hsl(243, 69%, 20%)
HSV	hsv(243, 82%, 34%)
CMYK	cmyk(78.2%, 81.6%, 0%, 65.9%)
CIE-LAB	lab(10.53, 27.55, -41.79)
CIE-LCH	lch(10.53, 50.06, 303.39°)
OKLab	oklab(24.06% 0.0089 -0.1209)
OKLCH	oklch(24.06% 0.121 274.2)
XYZ	xyz(2.1736, 1.1969, 9.1315)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131057 #545710

analogous

#103157 #131057 #361057

triadic

#131057 #571310 #105713

tetradic

#131057 #571031 #545710 #105736

square

#131057 #571031 #545710 #105736

split-complementary

#131057 #573610 #315710

monochromatic

#06051A #080623 #131057 #1E1A8B #2A23BE

Accessibility & contrast

On white

16.94

#131057 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#131057 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131057

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131057	#FFFFFF	#000000	##FFFFFF
##131057	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002059

Deuteranopia (green-blind)

#001956

Tritanopia (blue-blind)

#002533

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #131057;
/* rgb */ color: rgb(19, 16, 87);
/* oklch */ color: oklch(24.1% 0.121 274.2);

Tailwind

colors: {
  custom: {
    50: '#5e4f87',
    500: '#131057',
    950: '#000000',
  },
}

SCSS

$custom: #131057;
$custom-light: #5e4f87;
$custom-dark: #000000;

JSON

{
  "hex": "#131057",
  "rgb": {
    "r": 19,
    "g": 16,
    "b": 87
  },
  "hsl": {
    "h": 242.535,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.24062,
    "c": 0.12121,
    "h": 274.2
  },
  "luminance": 0.01197
}

Semantic roles & 50–950 ramp

primary

#131057

secondary

#8C9032

accent

#EC3CE4

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #131057

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

Preview Lab → · Contrast checker → · Palette generator →