#131D30#131D30

#131D30 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.2% C 0.040 H 262.5°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#131D30
RGB	rgb(19, 29, 48)
HSL	hsl(219, 43%, 13%)
HSV	hsv(219, 60%, 19%)
CMYK	cmyk(60.4%, 39.6%, 0%, 81.2%)
CIE-LAB	lab(10.78, 2.31, -14.02)
CIE-LCH	lch(10.78, 14.21, 279.36°)
OKLab	oklab(23.16% -0.0052 -0.0394)
OKLCH	oklch(23.16% 0.04 262.5)
XYZ	xyz(1.2412, 1.2305, 2.9678)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D30 #302613

analogous

#132B30 #131D30 #171330

triadic

#131D30 #30131D #1D3013

tetradic

#131D30 #30132B #302613 #133017

square

#131D30 #30132B #302613 #133017

split-complementary

#131D30 #301713 #2B3013

monochromatic

#090D16 #090D16 #131D30 #24375C #365288

Accessibility & contrast

On white

16.85

#131D30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#131D30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D30

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D30	#FFFFFF	#000000	##FFFFFF
##131D30	1.00	16.85	1.25	16.85
#FFFFFF	16.85	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161E31

Deuteranopia (green-blind)

#121C30

Tritanopia (blue-blind)

#062124

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #131d30;
/* rgb */ color: rgb(19, 29, 48);
/* oklch */ color: oklch(23.2% 0.040 262.5);

Tailwind

colors: {
  custom: {
    50: '#535868',
    500: '#131d30',
    950: '#000000',
  },
}

SCSS

$custom: #131d30;
$custom-light: #535868;
$custom-dark: #000000;

JSON

{
  "hex": "#131d30",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 48
  },
  "hsl": {
    "h": 219.31,
    "s": 43.284,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23157,
    "c": 0.03977,
    "h": 262.5
  },
  "luminance": 0.01231
}

Semantic roles & 50–950 ramp

primary

#131D30

secondary

#675737

accent

#A755D3

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #131D30

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

Preview Lab → · Contrast checker → · Palette generator →