#131F65#131F65

#131F65 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.3% C 0.123 H 269.1°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#131F65
RGB	rgb(19, 31, 101)
HSL	hsl(231, 68%, 24%)
HSV	hsv(231, 81%, 40%)
CMYK	cmyk(81.2%, 69.3%, 0%, 60.4%)
CIE-LAB	lab(15.79, 22.85, -42.51)
CIE-LCH	lch(15.79, 48.26, 298.26°)
OKLab	oklab(28.31% -0.002 -0.123)
OKLCH	oklch(28.31% 0.123 269.1)
XYZ	xyz(3.1067, 2.0577, 12.5428)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F65 #655913

analogous

#134865 #131F65 #301365

triadic

#131F65 #65131F #1F6513

tetradic

#131F65 #651348 #655913 #136530

square

#131F65 #651348 #655913 #136530

split-complementary

#131F65 #653013 #486513

monochromatic

#05081A #090F31 #131F65 #1D2F99 #263FCC

Accessibility & contrast

On white

14.88

#131F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#131F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F65

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F65	#FFFFFF	#000000	##FFFFFF
##131F65	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B67

Deuteranopia (green-blind)

#002364

Tritanopia (blue-blind)

#00323F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #131f65;
/* rgb */ color: rgb(19, 31, 101);
/* oklch */ color: oklch(28.3% 0.123 269.1);

Tailwind

colors: {
  custom: {
    50: '#605a92',
    500: '#131f65',
    950: '#000000',
  },
}

SCSS

$custom: #131f65;
$custom-light: #605a92;
$custom-dark: #000000;

JSON

{
  "hex": "#131f65",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 101
  },
  "hsl": {
    "h": 231.22,
    "s": 68.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.28309,
    "c": 0.12301,
    "h": 269.1
  },
  "luminance": 0.02058
}

Semantic roles & 50–950 ramp

primary

#131F65

secondary

#9D8E37

accent

#D23DEB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#05040D

muted

#79797E

Preview Lab

Preview with #131F65

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

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