#131C61#131C61

#131C61 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.3% C 0.121 H 270.1°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#131C61
RGB	rgb(19, 28, 97)
HSL	hsl(233, 67%, 23%)
HSV	hsv(233, 80%, 38%)
CMYK	cmyk(80.4%, 71.1%, 0%, 62%)
CIE-LAB	lab(14.58, 23.36, -41.85)
CIE-LCH	lch(14.58, 47.93, 299.18°)
OKLab	oklab(27.3% 0.0002 -0.1211)
OKLCH	oklch(27.3% 0.121 270.1)
XYZ	xyz(2.8407, 1.8317, 11.5108)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C61 #615813

analogous

#134361 #131C61 #311361

triadic

#131C61 #61131C #1C6113

tetradic

#131C61 #611343 #615813 #136131

square

#131C61 #611343 #615813 #136131

split-complementary

#131C61 #613113 #436113

monochromatic

#05071A #090D2E #131C61 #1D2B94 #273AC7

Accessibility & contrast

On white

15.37

#131C61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#131C61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C61

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C61	#FFFFFF	#000000	##FFFFFF
##131C61	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002963

Deuteranopia (green-blind)

#002160

Tritanopia (blue-blind)

#002F3B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #131c61;
/* rgb */ color: rgb(19, 28, 97);
/* oklch */ color: oklch(27.3% 0.121 270.1);

Tailwind

colors: {
  custom: {
    50: '#5f588f',
    500: '#131c61',
    950: '#000000',
  },
}

SCSS

$custom: #131c61;
$custom-light: #5f588f;
$custom-dark: #000000;

JSON

{
  "hex": "#131c61",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 97
  },
  "hsl": {
    "h": 233.077,
    "s": 67.241,
    "l": 22.745
  },
  "oklch": {
    "l": 0.27301,
    "c": 0.12107,
    "h": 270.1
  },
  "luminance": 0.01832
}

Semantic roles & 50–950 ramp

primary

#131C61

secondary

#998E37

accent

#D63EEA

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #131C61

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

Preview Lab → · Contrast checker → · Palette generator →