#131F60#131F60

#131F60 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.8% C 0.116 H 269.1°. Best body text is #FFFFFF at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#131F60
RGB	rgb(19, 31, 96)
HSL	hsl(231, 67%, 23%)
HSV	hsv(231, 80%, 38%)
CMYK	cmyk(80.2%, 67.7%, 0%, 62.4%)
CIE-LAB	lab(15.29, 20.81, -40.02)
CIE-LCH	lch(15.29, 45.11, 297.48°)
OKLab	oklab(27.79% -0.0018 -0.1157)
OKLCH	oklch(27.79% 0.116 269.1)
XYZ	xyz(2.8691, 1.9626, 11.2917)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F60 #605413

analogous

#134660 #131F60 #2D1360

triadic

#131F60 #60131F #1F6013

tetradic

#131F60 #601346 #605413 #13602D

square

#131F60 #601346 #605413 #13602D

split-complementary

#131F60 #602D13 #466013

monochromatic

#05081A #090F2D #131F60 #1D2F93 #2740C6

Accessibility & contrast

On white

15.08

#131F60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#131F60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F60

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F60	#FFFFFF	#000000	##FFFFFF
##131F60	1.00	15.08	1.39	15.08
#FFFFFF	15.08	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A62

Deuteranopia (green-blind)

#00235F

Tritanopia (blue-blind)

#00303C

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #131f60;
/* rgb */ color: rgb(19, 31, 96);
/* oklch */ color: oklch(27.8% 0.116 269.1);

Tailwind

colors: {
  custom: {
    50: '#5f5a8e',
    500: '#131f60',
    950: '#000000',
  },
}

SCSS

$custom: #131f60;
$custom-light: #5f5a8e;
$custom-dark: #000000;

JSON

{
  "hex": "#131f60",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 96
  },
  "hsl": {
    "h": 230.649,
    "s": 66.957,
    "l": 22.549
  },
  "oklch": {
    "l": 0.27792,
    "c": 0.1157,
    "h": 269.1
  },
  "luminance": 0.01963
}

Semantic roles & 50–950 ramp

primary

#131F60

secondary

#988937

accent

#CF3EEA

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131F60

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

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