#131B66#131B66

#131B66 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.7% C 0.129 H 270.1°. Best body text is #FFFFFF at 15.26:1 contrast (WCAG AA passes).

Color values

HEX	#131B66
RGB	rgb(19, 27, 102)
HSL	hsl(234, 69%, 24%)
HSV	hsv(234, 81%, 40%)
CMYK	cmyk(81.4%, 73.5%, 0%, 60%)
CIE-LAB	lab(14.85, 26.04, -44.71)
CIE-LCH	lch(14.85, 51.74, 300.22°)
OKLab	oklab(27.66% 0.0003 -0.1294)
OKLCH	oklch(27.66% 0.129 270.1)
XYZ	xyz(3.0579, 1.8813, 12.7698)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B66 #665E13

analogous

#134466 #131B66 #341366

triadic

#131B66 #66131B #1B6613

tetradic

#131B66 #661344 #665E13 #136634

square

#131B66 #661344 #665E13 #136634

split-complementary

#131B66 #663413 #446613

monochromatic

#05071A #090D32 #131B66 #1D299A #2636CD

Accessibility & contrast

On white

15.26

#131B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#131B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B66

15.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B66	#FFFFFF	#000000	##FFFFFF
##131B66	1.00	15.26	1.38	15.26
#FFFFFF	15.26	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002968

Deuteranopia (green-blind)

#002165

Tritanopia (blue-blind)

#00303E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #131b66;
/* rgb */ color: rgb(19, 27, 102);
/* oklch */ color: oklch(27.7% 0.129 270.1);

Tailwind

colors: {
  custom: {
    50: '#615793',
    500: '#131b66',
    950: '#000000',
  },
}

SCSS

$custom: #131b66;
$custom-light: #615793;
$custom-dark: #000000;

JSON

{
  "hex": "#131b66",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 102
  },
  "hsl": {
    "h": 234.217,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.2766,
    "c": 0.12942,
    "h": 270.1
  },
  "luminance": 0.01882
}

Semantic roles & 50–950 ramp

primary

#131B66

secondary

#9D9437

accent

#DB3CEB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #131B66

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

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