#131F30#131F30

#131F30 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.7% C 0.037 H 257.2°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#131F30
RGB	rgb(19, 31, 48)
HSL	hsl(215, 43%, 13%)
HSV	hsv(215, 60%, 19%)
CMYK	cmyk(60.4%, 35.4%, 0%, 81.2%)
CIE-LAB	lab(11.50, 0.81, -12.90)
CIE-LCH	lch(11.50, 12.92, 273.60°)
OKLab	oklab(23.72% -0.0082 -0.0362)
OKLCH	oklch(23.72% 0.037 257.2)
XYZ	xyz(1.2919, 1.3317, 2.9847)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F30 #302413

analogous

#132D30 #131F30 #151330

triadic

#131F30 #30131F #1F3013

tetradic

#131F30 #30132D #302413 #133015

square

#131F30 #30132D #302413 #133015

split-complementary

#131F30 #301513 #2D3013

monochromatic

#090E16 #090E16 #131F30 #243B5C #365888

Accessibility & contrast

On white

16.58

#131F30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#131F30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F30

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F30	#FFFFFF	#000000	##FFFFFF
##131F30	1.00	16.58	1.27	16.58
#FFFFFF	16.58	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182031

Deuteranopia (green-blind)

#151D30

Tritanopia (blue-blind)

#062325

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #131f30;
/* rgb */ color: rgb(19, 31, 48);
/* oklch */ color: oklch(23.7% 0.037 257.2);

Tailwind

colors: {
  custom: {
    50: '#535a68',
    500: '#131f30',
    950: '#000000',
  },
}

SCSS

$custom: #131f30;
$custom-light: #535a68;
$custom-dark: #000000;

JSON

{
  "hex": "#131f30",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 48
  },
  "hsl": {
    "h": 215.172,
    "s": 43.284,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23715,
    "c": 0.03711,
    "h": 257.2
  },
  "luminance": 0.01332
}

Semantic roles & 50–950 ramp

primary

#131F30

secondary

#675437

accent

#9F55D3

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #131F30

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

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