#131859#131859

#131859 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.7% C 0.115 H 271.8°. Best body text is #FFFFFF at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#131859
RGB	rgb(19, 24, 89)
HSL	hsl(236, 65%, 21%)
HSV	hsv(236, 79%, 35%)
CMYK	cmyk(78.7%, 73%, 0%, 65.1%)
CIE-LAB	lab(12.69, 22.99, -39.60)
CIE-LCH	lch(12.69, 45.79, 300.13°)
OKLab	oklab(25.67% 0.0036 -0.1145)
OKLCH	oklch(25.67% 0.115 271.8)
XYZ	xyz(2.3978, 1.5127, 9.6149)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131859 #595413

analogous

#133B59 #131859 #311359

triadic

#131859 #591318 #185913

tetradic

#131859 #59133B #595413 #135931

square

#131859 #59133B #595413 #135931

split-complementary

#131859 #593113 #3B5913

monochromatic

#050719 #080A27 #131859 #1E268B #2933BE

Accessibility & contrast

On white

16.12

#131859 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#131859 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131859

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131859	#FFFFFF	#000000	##FFFFFF
##131859	1.00	16.12	1.30	16.12
#FFFFFF	16.12	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245B

Deuteranopia (green-blind)

#001E58

Tritanopia (blue-blind)

#002A36

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131859;
/* rgb */ color: rgb(19, 24, 89);
/* oklch */ color: oklch(25.7% 0.115 271.8);

Tailwind

colors: {
  custom: {
    50: '#5d5589',
    500: '#131859',
    950: '#000000',
  },
}

SCSS

$custom: #131859;
$custom-light: #5d5589;
$custom-dark: #000000;

JSON

{
  "hex": "#131859",
  "rgb": {
    "r": 19,
    "g": 24,
    "b": 89
  },
  "hsl": {
    "h": 235.714,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25672,
    "c": 0.11458,
    "h": 271.8
  },
  "luminance": 0.01513
}

Semantic roles & 50–950 ramp

primary

#131859

secondary

#918B37

accent

#DC40E8

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #131859

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

Preview Lab → · Contrast checker → · Palette generator →