#131749#131749

#131749 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.8% C 0.092 H 273.6°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#131749
RGB	rgb(19, 23, 73)
HSL	hsl(236, 59%, 18%)
HSV	hsv(236, 74%, 29%)
CMYK	cmyk(74%, 68.5%, 0%, 71.4%)
CIE-LAB	lab(10.79, 17.23, -31.76)
CIE-LCH	lch(10.79, 36.13, 298.48°)
OKLab	oklab(23.79% 0.0058 -0.0916)
OKLCH	oklch(23.79% 0.092 273.6)
XYZ	xyz(1.7772, 1.2321, 6.4462)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131749 #494513

analogous

#133249 #131749 #2A1349

triadic

#131749 #491317 #174913

tetradic

#131749 #491332 #494513 #13492A

square

#131749 #491332 #494513 #13492A

split-complementary

#131749 #492A13 #324913

monochromatic

#060818 #060818 #131749 #20267A #2C36AA

Accessibility & contrast

On white

16.85

#131749 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#131749 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131749

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131749	#FFFFFF	#000000	##FFFFFF
##131749	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)

#00204B

Deuteranopia (green-blind)

#001B48

Tritanopia (blue-blind)

#00242D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #131749;
/* rgb */ color: rgb(19, 23, 73);
/* oklch */ color: oklch(23.8% 0.092 273.6);

Tailwind

colors: {
  custom: {
    50: '#59537c',
    500: '#131749',
    950: '#000000',
  },
}

SCSS

$custom: #131749;
$custom-light: #59537c;
$custom-dark: #000000;

JSON

{
  "hex": "#131749",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 73
  },
  "hsl": {
    "h": 235.556,
    "s": 58.696,
    "l": 18.039
  },
  "oklch": {
    "l": 0.23787,
    "c": 0.09173,
    "h": 273.6
  },
  "luminance": 0.01232
}

Semantic roles & 50–950 ramp

primary

#131749

secondary

#827C36

accent

#D646E2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #131749

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

Preview Lab → · Contrast checker → · Palette generator →