#131E39#131E39

#131E39 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.1% C 0.054 H 265.8°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#131E39
RGB	rgb(19, 30, 57)
HSL	hsl(223, 50%, 15%)
HSV	hsv(223, 67%, 22%)
CMYK	cmyk(66.7%, 47.4%, 0%, 77.6%)
CIE-LAB	lab(11.70, 5.19, -19.03)
CIE-LCH	lch(11.70, 19.72, 285.26°)
OKLab	oklab(24.06% -0.004 -0.054)
OKLCH	oklch(24.06% 0.054 265.8)
XYZ	xyz(1.4711, 1.3623, 4.0555)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131E39 #392E13

analogous

#133139 #131E39 #1B1339

triadic

#131E39 #39131E #1E3913

tetradic

#131E39 #391331 #392E13 #13391B

square

#131E39 #391331 #392E13 #13391B

split-complementary

#131E39 #391B13 #313913

monochromatic

#080C17 #080C17 #131E39 #223667 #324E95

Accessibility & contrast

On white

16.50

#131E39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#131E39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131E39

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131E39	#FFFFFF	#000000	##FFFFFF
##131E39	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12213A

Deuteranopia (green-blind)

#0E1D38

Tritanopia (blue-blind)

#002428

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131e39;
/* rgb */ color: rgb(19, 30, 57);
/* oklch */ color: oklch(24.1% 0.054 265.8);

Tailwind

colors: {
  custom: {
    50: '#54596f',
    500: '#131e39',
    950: '#000000',
  },
}

SCSS

$custom: #131e39;
$custom-light: #54596f;
$custom-dark: #000000;

JSON

{
  "hex": "#131e39",
  "rgb": {
    "r": 19,
    "g": 30,
    "b": 57
  },
  "hsl": {
    "h": 222.632,
    "s": 50,
    "l": 14.902
  },
  "oklch": {
    "l": 0.2406,
    "c": 0.05419,
    "h": 265.8
  },
  "luminance": 0.01362
}

Semantic roles & 50–950 ramp

primary

#131E39

secondary

#716037

accent

#B14EDA

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #131E39

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

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