#133871#133871

#133871 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.0% C 0.107 H 259.1°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#133871
RGB	rgb(19, 56, 113)
HSL	hsl(216, 71%, 26%)
HSV	hsv(216, 83%, 44%)
CMYK	cmyk(83.2%, 50.4%, 0%, 55.7%)
CIE-LAB	lab(24.19, 9.80, -36.64)
CIE-LCH	lch(24.19, 37.92, 284.98°)
OKLab	oklab(34.95% -0.0203 -0.1053)
OKLCH	oklch(34.95% 0.107 259.1)
XYZ	xyz(4.6623, 4.1585, 16.1765)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133871 #714C13

analogous

#136771 #133871 #1D1371

triadic

#133871 #711338 #387113

tetradic

#133871 #711367 #714C13 #13711D

square

#133871 #711367 #714C13 #13711D

split-complementary

#133871 #711D13 #677113

monochromatic

#040D1A #0A1E3D #133871 #1C52A5 #256CDA

Accessibility & contrast

On white

11.46

#133871 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#133871 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133871

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133871	#FFFFFF	#000000	##FFFFFF
##133871	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173E73

Deuteranopia (green-blind)

#003670

Tritanopia (blue-blind)

#00464F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133871;
/* rgb */ color: rgb(19, 56, 113);
/* oklch */ color: oklch(35.0% 0.107 259.1);

Tailwind

colors: {
  custom: {
    50: '#616e9a',
    500: '#133871',
    950: '#000000',
  },
}

SCSS

$custom: #133871;
$custom-light: #616e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#133871",
  "rgb": {
    "r": 19,
    "g": 56,
    "b": 113
  },
  "hsl": {
    "h": 216.383,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.34953,
    "c": 0.10724,
    "h": 259.1
  },
  "luminance": 0.04159
}

Semantic roles & 50–950 ramp

primary

#133871

secondary

#A87C38

accent

#A73AEE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133871

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

Preview Lab → · Contrast checker → · Palette generator →