#133971#133971

#133971 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.2% C 0.106 H 258.5°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#133971
RGB	rgb(19, 57, 113)
HSL	hsl(216, 71%, 26%)
HSV	hsv(216, 83%, 44%)
CMYK	cmyk(83.2%, 49.6%, 0%, 55.7%)
CIE-LAB	lab(24.50, 9.09, -36.13)
CIE-LCH	lch(24.50, 37.26, 284.13°)
OKLab	oklab(35.19% -0.0211 -0.1038)
OKLCH	oklch(35.19% 0.106 258.5)
XYZ	xyz(4.7112, 4.2564, 16.1928)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133971 #714B13

analogous

#136871 #133971 #1C1371

triadic

#133971 #711339 #397113

tetradic

#133971 #711368 #714B13 #13711C

square

#133971 #711368 #714B13 #13711C

split-complementary

#133971 #711C13 #687113

monochromatic

#040D1A #0A1F3D #133971 #1C53A5 #256EDA

Accessibility & contrast

On white

11.34

#133971 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#133971 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133971

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133971	#FFFFFF	#000000	##FFFFFF
##133971	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3F73

Deuteranopia (green-blind)

#003670

Tritanopia (blue-blind)

#00464F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133971;
/* rgb */ color: rgb(19, 57, 113);
/* oklch */ color: oklch(35.2% 0.106 258.5);

Tailwind

colors: {
  custom: {
    50: '#616e9a',
    500: '#133971',
    950: '#000000',
  },
}

SCSS

$custom: #133971;
$custom-light: #616e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#133971",
  "rgb": {
    "r": 19,
    "g": 57,
    "b": 113
  },
  "hsl": {
    "h": 215.745,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35193,
    "c": 0.10593,
    "h": 258.5
  },
  "luminance": 0.04257
}

Semantic roles & 50–950 ramp

primary

#133971

secondary

#A87B38

accent

#A53AEE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133971

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

Preview Lab → · Contrast checker → · Palette generator →