#131857#131857

#131857 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.5% C 0.112 H 272.0°. Best body text is #FFFFFF at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#131857
RGB	rgb(19, 24, 87)
HSL	hsl(236, 64%, 21%)
HSV	hsv(236, 78%, 34%)
CMYK	cmyk(78.2%, 72.4%, 0%, 65.9%)
CIE-LAB	lab(12.48, 22.18, -38.59)
CIE-LCH	lch(12.48, 44.52, 299.89°)
OKLab	oklab(25.45% 0.0039 -0.1116)
OKLCH	oklch(25.45% 0.112 272)
XYZ	xyz(2.3149, 1.4796, 9.1786)
Luminance	0.0148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131857 #575213

analogous

#133A57 #131857 #301357

triadic

#131857 #571318 #185713

tetradic

#131857 #57133A #575213 #135730

square

#131857 #57133A #575213 #135730

split-complementary

#131857 #573013 #3A5713

monochromatic

#050719 #080A25 #131857 #1E2689 #2934BB

Accessibility & contrast

On white

16.20

#131857 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#131857 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131857

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131857	#FFFFFF	#000000	##FFFFFF
##131857	1.00	16.20	1.30	16.20
#FFFFFF	16.20	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002459

Deuteranopia (green-blind)

#001D56

Tritanopia (blue-blind)

#002935

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #131857;
/* rgb */ color: rgb(19, 24, 87);
/* oklch */ color: oklch(25.5% 0.112 272.0);

Tailwind

colors: {
  custom: {
    50: '#5d5587',
    500: '#131857',
    950: '#000000',
  },
}

SCSS

$custom: #131857;
$custom-light: #5d5587;
$custom-dark: #000000;

JSON

{
  "hex": "#131857",
  "rgb": {
    "r": 19,
    "g": 24,
    "b": 87
  },
  "hsl": {
    "h": 235.588,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.25454,
    "c": 0.11165,
    "h": 272
  },
  "luminance": 0.0148
}

Semantic roles & 50–950 ramp

primary

#131857

secondary

#8F8936

accent

#DB41E7

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #131857

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

Preview Lab → · Contrast checker → · Palette generator →