#131B65#131B65

#131B65 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.6% C 0.128 H 270.2°. Best body text is #FFFFFF at 15.30:1 contrast (WCAG AA passes).

Color values

HEX	#131B65
RGB	rgb(19, 27, 101)
HSL	hsl(234, 68%, 24%)
HSV	hsv(234, 81%, 40%)
CMYK	cmyk(81.2%, 73.3%, 0%, 60.4%)
CIE-LAB	lab(14.74, 25.65, -44.22)
CIE-LCH	lch(14.74, 51.12, 300.12°)
OKLab	oklab(27.55% 0.0004 -0.128)
OKLCH	oklch(27.55% 0.128 270.2)
XYZ	xyz(3.0087, 1.8616, 12.5101)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B65 #655D13

analogous

#134465 #131B65 #341365

triadic

#131B65 #65131B #1B6513

tetradic

#131B65 #651344 #655D13 #136534

square

#131B65 #651344 #655D13 #136534

split-complementary

#131B65 #653413 #446513

monochromatic

#05071A #090D31 #131B65 #1D2999 #2637CC

Accessibility & contrast

On white

15.30

#131B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#131B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B65

15.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B65	#FFFFFF	#000000	##FFFFFF
##131B65	1.00	15.30	1.37	15.30
#FFFFFF	15.30	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002967

Deuteranopia (green-blind)

#002164

Tritanopia (blue-blind)

#002F3D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #131b65;
/* rgb */ color: rgb(19, 27, 101);
/* oklch */ color: oklch(27.6% 0.128 270.2);

Tailwind

colors: {
  custom: {
    50: '#605792',
    500: '#131b65',
    950: '#000000',
  },
}

SCSS

$custom: #131b65;
$custom-light: #605792;
$custom-dark: #000000;

JSON

{
  "hex": "#131b65",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 101
  },
  "hsl": {
    "h": 234.146,
    "s": 68.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.2755,
    "c": 0.12802,
    "h": 270.2
  },
  "luminance": 0.01862
}

Semantic roles & 50–950 ramp

primary

#131B65

secondary

#9D9337

accent

#DA3DEB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #131B65

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

Preview Lab → · Contrast checker → · Palette generator →