#131B73#131B73

#131B73 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.1% C 0.147 H 269.4°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#131B73
RGB	rgb(19, 27, 115)
HSL	hsl(235, 72%, 26%)
HSV	hsv(235, 83%, 45%)
CMYK	cmyk(83.5%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(16.30, 31.03, -50.79)
CIE-LCH	lch(16.30, 59.52, 301.43°)
OKLab	oklab(29.14% -0.0015 -0.1471)
OKLCH	oklch(29.14% 0.147 269.4)
XYZ	xyz(3.7539, 2.1597, 16.4353)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B73 #736B13

analogous

#134B73 #131B73 #3B1373

triadic

#131B73 #73131B #1B7313

tetradic

#131B73 #73134B #736B13 #13733B

square

#131B73 #73134B #736B13 #13733B

split-complementary

#131B73 #733B13 #4B7313

monochromatic

#04061A #0A0F3E #131B73 #1C27A8 #2535DB

Accessibility & contrast

On white

14.66

#131B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#131B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B73

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B73	#FFFFFF	#000000	##FFFFFF
##131B73	1.00	14.66	1.43	14.66
#FFFFFF	14.66	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D76

Deuteranopia (green-blind)

#002471

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #131b73;
/* rgb */ color: rgb(19, 27, 115);
/* oklch */ color: oklch(29.1% 0.147 269.4);

Tailwind

colors: {
  custom: {
    50: '#65589c',
    500: '#131b73',
    950: '#000000',
  },
}

SCSS

$custom: #131b73;
$custom-light: #65589c;
$custom-dark: #000000;

JSON

{
  "hex": "#131b73",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 235,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.29138,
    "c": 0.14716,
    "h": 269.4
  },
  "luminance": 0.0216
}

Semantic roles & 50–950 ramp

primary

#131B73

secondary

#AAA038

accent

#DF39EE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #131B73

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

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