#131958#131958

#131958 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.8% C 0.112 H 271.6°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#131958
RGB	rgb(19, 25, 88)
HSL	hsl(235, 64%, 21%)
HSV	hsv(235, 78%, 35%)
CMYK	cmyk(78.4%, 71.6%, 0%, 65.5%)
CIE-LAB	lab(12.85, 21.87, -38.66)
CIE-LCH	lch(12.85, 44.42, 299.50°)
OKLab	oklab(25.76% 0.0031 -0.1118)
OKLCH	oklch(25.76% 0.112 271.6)
XYZ	xyz(2.3770, 1.5380, 9.4022)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131958 #585213

analogous

#133B58 #131958 #2F1358

triadic

#131958 #581319 #195813

tetradic

#131958 #58133B #585213 #13582F

square

#131958 #58133B #585213 #13582F

split-complementary

#131958 #582F13 #3B5813

monochromatic

#050719 #080B26 #131958 #1E278A #2936BD

Accessibility & contrast

On white

16.06

#131958 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#131958 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131958

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131958	#FFFFFF	#000000	##FFFFFF
##131958	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255A

Deuteranopia (green-blind)

#001E57

Tritanopia (blue-blind)

#002A36

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131958;
/* rgb */ color: rgb(19, 25, 88);
/* oklch */ color: oklch(25.8% 0.112 271.6);

Tailwind

colors: {
  custom: {
    50: '#5d5588',
    500: '#131958',
    950: '#000000',
  },
}

SCSS

$custom: #131958;
$custom-light: #5d5588;
$custom-dark: #000000;

JSON

{
  "hex": "#131958",
  "rgb": {
    "r": 19,
    "g": 25,
    "b": 88
  },
  "hsl": {
    "h": 234.783,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25756,
    "c": 0.11182,
    "h": 271.6
  },
  "luminance": 0.01538
}

Semantic roles & 50–950 ramp

primary

#131958

secondary

#908837

accent

#D940E7

background

#F5F5F8

surface

#E9E8F0

border

#C5C4CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #131958

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

Preview Lab → · Contrast checker → · Palette generator →