#131B56#131B56

#131B56 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.106 H 270.9°. Best body text is #FFFFFF at 15.92:1 contrast (WCAG AA passes).

Color values

HEX	#131B56
RGB	rgb(19, 27, 86)
HSL	hsl(233, 64%, 21%)
HSV	hsv(233, 78%, 34%)
CMYK	cmyk(77.9%, 68.6%, 0%, 66.3%)
CIE-LAB	lab(13.19, 19.61, -36.74)
CIE-LCH	lch(13.19, 41.65, 298.09°)
OKLab	oklab(25.95% 0.0017 -0.1061)
OKLCH	oklch(25.95% 0.106 270.9)
XYZ	xyz(2.3396, 1.5940, 8.9867)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B56 #564E13

analogous

#133C56 #131B56 #2C1356

triadic

#131B56 #56131B #1B5613

tetradic

#131B56 #56133C #564E13 #13562C

square

#131B56 #56133C #564E13 #13562C

split-complementary

#131B56 #562C13 #3C5613

monochromatic

#060819 #080B24 #131B56 #1E2B88 #293ABA

Accessibility & contrast

On white

15.92

#131B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#131B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B56

15.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B56	#FFFFFF	#000000	##FFFFFF
##131B56	1.00	15.92	1.32	15.92
#FFFFFF	15.92	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002558

Deuteranopia (green-blind)

#001F55

Tritanopia (blue-blind)

#002A35

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #131b56;
/* rgb */ color: rgb(19, 27, 86);
/* oklch */ color: oklch(25.9% 0.106 270.9);

Tailwind

colors: {
  custom: {
    50: '#5c5786',
    500: '#131b56',
    950: '#000000',
  },
}

SCSS

$custom: #131b56;
$custom-light: #5c5786;
$custom-dark: #000000;

JSON

{
  "hex": "#131b56",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 86
  },
  "hsl": {
    "h": 232.836,
    "s": 63.81,
    "l": 20.588
  },
  "oklch": {
    "l": 0.25946,
    "c": 0.10616,
    "h": 270.9
  },
  "luminance": 0.01594
}

Semantic roles & 50–950 ramp

primary

#131B56

secondary

#8E8436

accent

#D341E7

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #131B56

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

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