#131658#131658

#131658 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.2% C 0.116 H 272.5°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#131658
RGB	rgb(19, 22, 88)
HSL	hsl(237, 64%, 21%)
HSV	hsv(237, 78%, 35%)
CMYK	cmyk(78.4%, 75%, 0%, 65.5%)
CIE-LAB	lab(12.07, 23.98, -39.94)
CIE-LCH	lch(12.07, 46.59, 300.98°)
OKLab	oklab(25.19% 0.0051 -0.1155)
OKLCH	oklch(25.19% 0.116 272.5)
XYZ	xyz(2.3163, 1.4166, 9.3820)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131658 #585513

analogous

#133858 #131658 #321358

triadic

#131658 #581316 #165813

tetradic

#131658 #581338 #585513 #135832

square

#131658 #581338 #585513 #135832

split-complementary

#131658 #583213 #385813

monochromatic

#050619 #080926 #131658 #1E238A #292FBD

Accessibility & contrast

On white

16.36

#131658 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#131658 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131658

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131658	#FFFFFF	#000000	##FFFFFF
##131658	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235A

Deuteranopia (green-blind)

#001C57

Tritanopia (blue-blind)

#002835

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #131658;
/* rgb */ color: rgb(19, 22, 88);
/* oklch */ color: oklch(25.2% 0.116 272.5);

Tailwind

colors: {
  custom: {
    50: '#5d5388',
    500: '#131658',
    950: '#000000',
  },
}

SCSS

$custom: #131658;
$custom-light: #5d5388;
$custom-dark: #000000;

JSON

{
  "hex": "#131658",
  "rgb": {
    "r": 19,
    "g": 22,
    "b": 88
  },
  "hsl": {
    "h": 237.391,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.2519,
    "c": 0.11564,
    "h": 272.5
  },
  "luminance": 0.01417
}

Semantic roles & 50–950 ramp

primary

#131658

secondary

#908C37

accent

#E040E7

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #131658

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

Preview Lab → · Contrast checker → · Palette generator →