#131F63#131F63

#131F63 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.1% C 0.120 H 269.1°. Best body text is #FFFFFF at 14.96:1 contrast (WCAG AA passes).

Color values

HEX	#131F63
RGB	rgb(19, 31, 99)
HSL	hsl(231, 68%, 23%)
HSV	hsv(231, 81%, 39%)
CMYK	cmyk(80.8%, 68.7%, 0%, 61.2%)
CIE-LAB	lab(15.59, 22.04, -41.52)
CIE-LCH	lch(15.59, 47.01, 297.96°)
OKLab	oklab(28.1% -0.0019 -0.1201)
OKLCH	oklch(28.1% 0.12 269.1)
XYZ	xyz(3.0099, 2.0189, 12.0330)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F63 #635713

analogous

#134763 #131F63 #2F1363

triadic

#131F63 #63131F #1F6313

tetradic

#131F63 #631347 #635713 #13632F

square

#131F63 #631347 #635713 #13632F

split-complementary

#131F63 #632F13 #476313

monochromatic

#05081A #090F30 #131F63 #1D2F96 #273FCA

Accessibility & contrast

On white

14.96

#131F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#131F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F63

14.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F63	#FFFFFF	#000000	##FFFFFF
##131F63	1.00	14.96	1.40	14.96
#FFFFFF	14.96	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B65

Deuteranopia (green-blind)

#002362

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #131f63;
/* rgb */ color: rgb(19, 31, 99);
/* oklch */ color: oklch(28.1% 0.120 269.1);

Tailwind

colors: {
  custom: {
    50: '#5f5a90',
    500: '#131f63',
    950: '#000000',
  },
}

SCSS

$custom: #131f63;
$custom-light: #5f5a90;
$custom-dark: #000000;

JSON

{
  "hex": "#131f63",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 99
  },
  "hsl": {
    "h": 231,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.28101,
    "c": 0.12011,
    "h": 269.1
  },
  "luminance": 0.02019
}

Semantic roles & 50–950 ramp

primary

#131F63

secondary

#9B8C37

accent

#D13DEB

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030D

muted

#7A787D

Preview Lab

Preview with #131F63

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

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