#131F51#131F51

#131F51 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.3% C 0.093 H 268.9°. Best body text is #FFFFFF at 15.64:1 contrast (WCAG AA passes).

Color values

HEX	#131F51
RGB	rgb(19, 31, 81)
HSL	hsl(228, 62%, 20%)
HSV	hsv(228, 77%, 32%)
CMYK	cmyk(76.5%, 61.7%, 0%, 68.2%)
CIE-LAB	lab(13.90, 14.55, -32.20)
CIE-LCH	lch(13.90, 35.34, 294.31°)
OKLab	oklab(26.33% -0.0018 -0.0928)
OKLCH	oklch(26.33% 0.093 268.9)
XYZ	xyz(2.2432, 1.7123, 7.9953)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F51 #514513

analogous

#133E51 #131F51 #261351

triadic

#131F51 #51131F #1F5113

tetradic

#131F51 #51133E #514513 #135126

square

#131F51 #51133E #514513 #135126

split-complementary

#131F51 #512613 #3E5113

monochromatic

#060919 #070C1F #131F51 #1F3283 #2A45B4

Accessibility & contrast

On white

15.64

#131F51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#131F51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F51

15.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F51	#FFFFFF	#000000	##FFFFFF
##131F51	1.00	15.64	1.34	15.64
#FFFFFF	15.64	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002653

Deuteranopia (green-blind)

#002150

Tritanopia (blue-blind)

#002B34

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #131f51;
/* rgb */ color: rgb(19, 31, 81);
/* oklch */ color: oklch(26.3% 0.093 268.9);

Tailwind

colors: {
  custom: {
    50: '#5a5a82',
    500: '#131f51',
    950: '#000000',
  },
}

SCSS

$custom: #131f51;
$custom-light: #5a5a82;
$custom-dark: #000000;

JSON

{
  "hex": "#131f51",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 81
  },
  "hsl": {
    "h": 228.387,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.26325,
    "c": 0.09278,
    "h": 268.9
  },
  "luminance": 0.01713
}

Semantic roles & 50–950 ramp

primary

#131F51

secondary

#8A7936

accent

#C643E5

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #131F51

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

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