#131A3E#131A3E

#131A3E is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.4% C 0.069 H 271.8°. Best body text is #FFFFFF at 16.87:1 contrast (WCAG AA passes).

Color values

HEX	#131A3E
RGB	rgb(19, 26, 62)
HSL	hsl(230, 53%, 16%)
HSV	hsv(230, 69%, 24%)
CMYK	cmyk(69.4%, 58.1%, 0%, 75.7%)
CIE-LAB	lab(10.74, 10.36, -24.12)
CIE-LCH	lch(10.74, 26.25, 293.24°)
OKLab	oklab(23.44% 0.0022 -0.0691)
OKLCH	oklch(23.44% 0.069 271.8)
XYZ	xyz(1.5072, 1.2249, 4.7135)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A3E #3E3713

analogous

#132F3E #131A3E #21133E

triadic

#131A3E #3E131A #1A3E13

tetradic

#131A3E #3E132F #3E3713 #133E21

square

#131A3E #3E132F #3E3713 #133E21

split-complementary

#131A3E #3E2113 #2F3E13

monochromatic

#070A17 #070A17 #131A3E #212E6D #30419C

Accessibility & contrast

On white

16.87

#131A3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#131A3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A3E

16.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A3E	#FFFFFF	#000000	##FFFFFF
##131A3E	1.00	16.87	1.24	16.87
#FFFFFF	16.87	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071F3F

Deuteranopia (green-blind)

#011B3D

Tritanopia (blue-blind)

#002229

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #131a3e;
/* rgb */ color: rgb(19, 26, 62);
/* oklch */ color: oklch(23.4% 0.069 271.8);

Tailwind

colors: {
  custom: {
    50: '#565673',
    500: '#131a3e',
    950: '#000000',
  },
}

SCSS

$custom: #131a3e;
$custom-light: #565673;
$custom-dark: #000000;

JSON

{
  "hex": "#131a3e",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 62
  },
  "hsl": {
    "h": 230.233,
    "s": 53.086,
    "l": 15.882
  },
  "oklch": {
    "l": 0.23443,
    "c": 0.06909,
    "h": 271.8
  },
  "luminance": 0.01225
}

Semantic roles & 50–950 ramp

primary

#131A3E

secondary

#776C36

accent

#C54BDC

background

#F5F5F7

surface

#E9E8ED

border

#C5C4C8

text

#030308

muted

#78787B

Preview Lab

Preview with #131A3E

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

Preview Lab → · Contrast checker → · Palette generator →