#131A39#131A39

#131A39 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.0% C 0.060 H 271.4°. Best body text is #FFFFFF at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#131A39
RGB	rgb(19, 26, 57)
HSL	hsl(229, 50%, 15%)
HSV	hsv(229, 67%, 22%)
CMYK	cmyk(66.7%, 54.4%, 0%, 77.6%)
CIE-LAB	lab(10.35, 8.28, -21.18)
CIE-LCH	lch(10.35, 22.74, 291.34°)
OKLab	oklab(23.03% 0.0014 -0.0604)
OKLCH	oklch(23.03% 0.06 271.4)
XYZ	xyz(1.3762, 1.1725, 4.0239)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A39 #393213

analogous

#132D39 #131A39 #1F1339

triadic

#131A39 #39131A #1A3913

tetradic

#131A39 #39132D #393213 #13391F

square

#131A39 #39132D #393213 #13391F

split-complementary

#131A39 #391F13 #2D3913

monochromatic

#080A17 #080A17 #131A39 #222F67 #324495

Accessibility & contrast

On white

17.01

#131A39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#131A39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A39

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A39	#FFFFFF	#000000	##FFFFFF
##131A39	1.00	17.01	1.23	17.01
#FFFFFF	17.01	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1E3A

Deuteranopia (green-blind)

#061B38

Tritanopia (blue-blind)

#002126

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #131a39;
/* rgb */ color: rgb(19, 26, 57);
/* oklch */ color: oklch(23.0% 0.060 271.4);

Tailwind

colors: {
  custom: {
    50: '#55566f',
    500: '#131a39',
    950: '#000000',
  },
}

SCSS

$custom: #131a39;
$custom-light: #55566f;
$custom-dark: #000000;

JSON

{
  "hex": "#131a39",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 57
  },
  "hsl": {
    "h": 228.947,
    "s": 50,
    "l": 14.902
  },
  "oklch": {
    "l": 0.23025,
    "c": 0.06044,
    "h": 271.4
  },
  "luminance": 0.01173
}

Semantic roles & 50–950 ramp

primary

#131A39

secondary

#716637

accent

#C04EDA

background

#F5F5F6

surface

#E9E8EC

border

#C5C4C7

text

#030307

muted

#78787A

Preview Lab

Preview with #131A39

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

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