#131E4A#131E4A

#131E4A is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.5% C 0.083 H 269.2°. Best body text is #FFFFFF at 16.00:1 contrast (WCAG AA passes).

Color values

HEX	#131E4A
RGB	rgb(19, 30, 74)
HSL	hsl(228, 59%, 18%)
HSV	hsv(228, 74%, 29%)
CMYK	cmyk(74.3%, 59.5%, 0%, 71%)
CIE-LAB	lab(12.99, 12.34, -28.87)
CIE-LCH	lch(12.99, 31.40, 293.14°)
OKLab	oklab(25.46% -0.0012 -0.083)
OKLCH	oklch(25.46% 0.083 269.2)
XYZ	xyz(1.9684, 1.5612, 6.6748)
Luminance	0.0156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131E4A #4A3F13

analogous

#13394A #131E4A #23134A

triadic

#131E4A #4A131E #1E4A13

tetradic

#131E4A #4A1339 #4A3F13 #134A23

square

#131E4A #4A1339 #4A3F13 #134A23

split-complementary

#131E4A #4A2313 #394A13

monochromatic

#060A18 #060A19 #131E4A #20327B #2C45AB

Accessibility & contrast

On white

16.00

#131E4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#131E4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131E4A

16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131E4A	#FFFFFF	#000000	##FFFFFF
##131E4A	1.00	16.00	1.31	16.00
#FFFFFF	16.00	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02244C

Deuteranopia (green-blind)

#001F49

Tritanopia (blue-blind)

#002830

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #131e4a;
/* rgb */ color: rgb(19, 30, 74);
/* oklch */ color: oklch(25.5% 0.083 269.2);

Tailwind

colors: {
  custom: {
    50: '#59597d',
    500: '#131e4a',
    950: '#000000',
  },
}

SCSS

$custom: #131e4a;
$custom-light: #59597d;
$custom-dark: #000000;

JSON

{
  "hex": "#131e4a",
  "rgb": {
    "r": 19,
    "g": 30,
    "b": 74
  },
  "hsl": {
    "h": 228,
    "s": 59.14,
    "l": 18.235
  },
  "oklch": {
    "l": 0.25455,
    "c": 0.08299,
    "h": 269.2
  },
  "luminance": 0.01561
}

Semantic roles & 50–950 ramp

primary

#131E4A

secondary

#837336

accent

#C345E2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #131E4A

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

Preview Lab → · Contrast checker → · Palette generator →