#131E40#131E40

#131E40 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.6% C 0.066 H 267.8°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#131E40
RGB	rgb(19, 30, 64)
HSL	hsl(225, 54%, 16%)
HSV	hsv(225, 70%, 25%)
CMYK	cmyk(70.3%, 53.1%, 0%, 74.9%)
CIE-LAB	lab(12.20, 8.11, -23.18)
CIE-LCH	lch(12.20, 24.56, 289.28°)
OKLab	oklab(24.6% -0.0025 -0.0662)
OKLCH	oklch(24.6% 0.066 267.8)
XYZ	xyz(1.6579, 1.4370, 5.0395)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131E40 #403513

analogous

#133540 #131E40 #1F1340

triadic

#131E40 #40131E #1E4013

tetradic

#131E40 #401335 #403513 #13401F

square

#131E40 #401335 #403513 #13401F

split-complementary

#131E40 #401F13 #354013

monochromatic

#070B18 #070B18 #131E40 #21346F #2F4A9E

Accessibility & contrast

On white

16.31

#131E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#131E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131E40

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131E40	#FFFFFF	#000000	##FFFFFF
##131E40	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D2241

Deuteranopia (green-blind)

#061E3F

Tritanopia (blue-blind)

#00262B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #131e40;
/* rgb */ color: rgb(19, 30, 64);
/* oklch */ color: oklch(24.6% 0.066 267.8);

Tailwind

colors: {
  custom: {
    50: '#565975',
    500: '#131e40',
    950: '#000000',
  },
}

SCSS

$custom: #131e40;
$custom-light: #565975;
$custom-dark: #000000;

JSON

{
  "hex": "#131e40",
  "rgb": {
    "r": 19,
    "g": 30,
    "b": 64
  },
  "hsl": {
    "h": 225.333,
    "s": 54.217,
    "l": 16.275
  },
  "oklch": {
    "l": 0.24603,
    "c": 0.06629,
    "h": 267.8
  },
  "luminance": 0.01437
}

Semantic roles & 50–950 ramp

primary

#131E40

secondary

#796836

accent

#BA4ADE

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #131E40

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

Preview Lab → · Contrast checker → · Palette generator →