#131770#131770

#131770 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.2% C 0.147 H 270.2°. Best body text is #FFFFFF at 15.17:1 contrast (WCAG AA passes).

Color values

HEX	#131770
RGB	rgb(19, 23, 112)
HSL	hsl(237, 71%, 26%)
HSV	hsv(237, 83%, 44%)
CMYK	cmyk(83%, 79.5%, 0%, 56.1%)
CIE-LAB	lab(15.07, 32.42, -50.90)
CIE-LCH	lch(15.07, 60.34, 302.50°)
OKLab	oklab(28.15% 0.0006 -0.1474)
OKLCH	oklch(28.15% 0.147 270.2)
XYZ	xyz(3.4986, 1.9207, 15.5124)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131770 #706C13

analogous

#134570 #131770 #3D1370

triadic

#131770 #701317 #177013

tetradic

#131770 #701345 #706C13 #13703D

square

#131770 #701345 #706C13 #13703D

split-complementary

#131770 #703D13 #457013

monochromatic

#04051A #0A0C3C #131770 #1C22A4 #252CD9

Accessibility & contrast

On white

15.17

#131770 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#131770 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131770

15.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131770	#FFFFFF	#000000	##FFFFFF
##131770	1.00	15.17	1.38	15.17
#FFFFFF	15.17	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A73

Deuteranopia (green-blind)

#00216E

Tritanopia (blue-blind)

#003242

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #131770;
/* rgb */ color: rgb(19, 23, 112);
/* oklch */ color: oklch(28.2% 0.147 270.2);

Tailwind

colors: {
  custom: {
    50: '#64559a',
    500: '#131770',
    950: '#000000',
  },
}

SCSS

$custom: #131770;
$custom-light: #64559a;
$custom-dark: #000000;

JSON

{
  "hex": "#131770",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 112
  },
  "hsl": {
    "h": 237.419,
    "s": 70.992,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28154,
    "c": 0.14741,
    "h": 270.2
  },
  "luminance": 0.01921
}

Semantic roles & 50–950 ramp

primary

#131770

secondary

#A7A238

accent

#E63AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #131770

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

Preview Lab → · Contrast checker → · Palette generator →