#131C5F#131C5F

#131C5F is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.1% C 0.118 H 270.2°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#131C5F
RGB	rgb(19, 28, 95)
HSL	hsl(233, 67%, 22%)
HSV	hsv(233, 80%, 37%)
CMYK	cmyk(80%, 70.5%, 0%, 62.7%)
CIE-LAB	lab(14.37, 22.56, -40.86)
CIE-LCH	lch(14.37, 46.67, 298.91°)
OKLab	oklab(27.09% 0.0004 -0.1182)
OKLCH	oklch(27.09% 0.118 270.2)
XYZ	xyz(2.7487, 1.7949, 11.0258)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C5F #5F5613

analogous

#13425F #131C5F #30135F

triadic

#131C5F #5F131C #1C5F13

tetradic

#131C5F #5F1342 #5F5613 #135F30

square

#131C5F #5F1342 #5F5613 #135F30

split-complementary

#131C5F #5F3013 #425F13

monochromatic

#05081A #090D2C #131C5F #1D2B92 #273AC5

Accessibility & contrast

On white

15.45

#131C5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#131C5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C5F

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C5F	#FFFFFF	#000000	##FFFFFF
##131C5F	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002861

Deuteranopia (green-blind)

#00215E

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #131c5f;
/* rgb */ color: rgb(19, 28, 95);
/* oklch */ color: oklch(27.1% 0.118 270.2);

Tailwind

colors: {
  custom: {
    50: '#5f588d',
    500: '#131c5f',
    950: '#000000',
  },
}

SCSS

$custom: #131c5f;
$custom-light: #5f588d;
$custom-dark: #000000;

JSON

{
  "hex": "#131c5f",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 95
  },
  "hsl": {
    "h": 232.895,
    "s": 66.667,
    "l": 22.353
  },
  "oklch": {
    "l": 0.27088,
    "c": 0.11818,
    "h": 270.2
  },
  "luminance": 0.01795
}

Semantic roles & 50–950 ramp

primary

#131C5F

secondary

#978C37

accent

#D53EEA

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131C5F

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

Preview Lab → · Contrast checker → · Palette generator →