#131657#131657

#131657 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.1% C 0.114 H 272.6°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#131657
RGB	rgb(19, 22, 87)
HSL	hsl(237, 64%, 21%)
HSV	hsv(237, 78%, 34%)
CMYK	cmyk(78.2%, 74.7%, 0%, 65.9%)
CIE-LAB	lab(11.96, 23.59, -39.45)
CIE-LCH	lch(11.96, 45.96, 300.88°)
OKLab	oklab(25.08% 0.0053 -0.1141)
OKLCH	oklch(25.08% 0.114 272.6)
XYZ	xyz(2.2752, 1.4002, 9.1653)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131657 #575413

analogous

#133857 #131657 #321357

triadic

#131657 #571316 #165713

tetradic

#131657 #571338 #575413 #135732

square

#131657 #571338 #575413 #135732

split-complementary

#131657 #573213 #385713

monochromatic

#050619 #080925 #131657 #1E2389 #292FBB

Accessibility & contrast

On white

16.41

#131657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#131657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131657

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131657	#FFFFFF	#000000	##FFFFFF
##131657	1.00	16.41	1.28	16.41
#FFFFFF	16.41	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002359

Deuteranopia (green-blind)

#001C56

Tritanopia (blue-blind)

#002834

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131657;
/* rgb */ color: rgb(19, 22, 87);
/* oklch */ color: oklch(25.1% 0.114 272.6);

Tailwind

colors: {
  custom: {
    50: '#5d5387',
    500: '#131657',
    950: '#000000',
  },
}

SCSS

$custom: #131657;
$custom-light: #5d5387;
$custom-dark: #000000;

JSON

{
  "hex": "#131657",
  "rgb": {
    "r": 19,
    "g": 22,
    "b": 87
  },
  "hsl": {
    "h": 237.353,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.25079,
    "c": 0.1142,
    "h": 272.6
  },
  "luminance": 0.014
}

Semantic roles & 50–950 ramp

primary

#131657

secondary

#8F8B36

accent

#E041E7

background

#F5F4F8

surface

#E9E7F0

border

#C5C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #131657

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

Preview Lab → · Contrast checker → · Palette generator →