#131F6F#131F6F

#131F6F is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.4% C 0.137 H 268.8°. Best body text is #FFFFFF at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#131F6F
RGB	rgb(19, 31, 111)
HSL	hsl(232, 71%, 25%)
HSV	hsv(232, 83%, 44%)
CMYK	cmyk(82.9%, 72.1%, 0%, 56.5%)
CIE-LAB	lab(16.82, 26.85, -47.34)
CIE-LCH	lch(16.82, 54.43, 299.56°)
OKLab	oklab(29.38% -0.0028 -0.1371)
OKLCH	oklch(29.38% 0.137 268.8)
XYZ	xyz(3.6268, 2.2657, 15.2820)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F6F #6F6313

analogous

#134D6F #131F6F #35136F

triadic

#131F6F #6F131F #1F6F13

tetradic

#131F6F #6F134D #6F6313 #136F35

square

#131F6F #6F134D #6F6313 #136F35

split-complementary

#131F6F #6F3513 #4D6F13

monochromatic

#04071A #0A103B #131F6F #1C2EA3 #253CD8

Accessibility & contrast

On white

14.45

#131F6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#131F6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F6F

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F6F	#FFFFFF	#000000	##FFFFFF
##131F6F	1.00	14.45	1.45	14.45
#FFFFFF	14.45	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E71

Deuteranopia (green-blind)

#00256E

Tritanopia (blue-blind)

#003544

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #131f6f;
/* rgb */ color: rgb(19, 31, 111);
/* oklch */ color: oklch(29.4% 0.137 268.8);

Tailwind

colors: {
  custom: {
    50: '#635b99',
    500: '#131f6f',
    950: '#000000',
  },
}

SCSS

$custom: #131f6f;
$custom-light: #635b99;
$custom-dark: #000000;

JSON

{
  "hex": "#131f6f",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 111
  },
  "hsl": {
    "h": 232.174,
    "s": 70.769,
    "l": 25.49
  },
  "oklch": {
    "l": 0.2938,
    "c": 0.13714,
    "h": 268.8
  },
  "luminance": 0.02266
}

Semantic roles & 50–950 ramp

primary

#131F6F

secondary

#A69838

accent

#D63AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #131F6F

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

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