#131E5A#131E5A

#131E5A is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.0% C 0.108 H 269.6°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX	#131E5A
RGB	rgb(19, 30, 90)
HSL	hsl(231, 65%, 21%)
HSV	hsv(231, 79%, 35%)
CMYK	cmyk(78.9%, 66.7%, 0%, 64.7%)
CIE-LAB	lab(14.43, 19.07, -37.42)
CIE-LCH	lch(14.43, 42.00, 297.00°)
OKLab	oklab(26.98% -0.0008 -0.1081)
OKLCH	oklch(26.98% 0.108 269.6)
XYZ	xyz(2.5777, 1.8049, 9.8834)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131E5A #5A4F13

analogous

#13425A #131E5A #2C135A

triadic

#131E5A #5A131E #1E5A13

tetradic

#131E5A #5A1342 #5A4F13 #135A2C

square

#131E5A #5A1342 #5A4F13 #135A2C

split-complementary

#131E5A #5A2C13 #425A13

monochromatic

#050819 #080D27 #131E5A #1E2F8D #2840BF

Accessibility & contrast

On white

15.43

#131E5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#131E5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131E5A

15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131E5A	#FFFFFF	#000000	##FFFFFF
##131E5A	1.00	15.43	1.36	15.43
#FFFFFF	15.43	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285C

Deuteranopia (green-blind)

#002159

Tritanopia (blue-blind)

#002D38

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #131e5a;
/* rgb */ color: rgb(19, 30, 90);
/* oklch */ color: oklch(27.0% 0.108 269.6);

Tailwind

colors: {
  custom: {
    50: '#5d5989',
    500: '#131e5a',
    950: '#000000',
  },
}

SCSS

$custom: #131e5a;
$custom-light: #5d5989;
$custom-dark: #000000;

JSON

{
  "hex": "#131e5a",
  "rgb": {
    "r": 19,
    "g": 30,
    "b": 90
  },
  "hsl": {
    "h": 230.704,
    "s": 65.138,
    "l": 21.373
  },
  "oklch": {
    "l": 0.26977,
    "c": 0.1081,
    "h": 269.6
  },
  "luminance": 0.01805
}

Semantic roles & 50–950 ramp

primary

#131E5A

secondary

#928437

accent

#CE40E8

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131E5A

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

Preview Lab → · Contrast checker → · Palette generator →