#31419F#31419F

#31419F is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.153 H 271.0°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#31419F
RGB	rgb(49, 65, 159)
HSL	hsl(231, 53%, 41%)
HSV	hsv(231, 69%, 62%)
CMYK	cmyk(69.2%, 59.1%, 0%, 37.6%)
CIE-LAB	lab(31.66, 25.90, -53.03)
CIE-LCH	lch(31.66, 59.01, 296.03°)
OKLab	oklab(42.09% 0.0026 -0.1528)
OKLCH	oklch(42.09% 0.153 271)
XYZ	xyz(9.4128, 6.9359, 33.6369)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31419F #9F8F31

analogous

#31789F #31419F #58319F

triadic

#31419F #9F3141 #419F31

tetradic

#31419F #9F3178 #9F8F31 #319F58

square

#31419F #9F3178 #9F8F31 #319F58

split-complementary

#31419F #9F5831 #789F31

monochromatic

#141B41 #232E70 #31419F #4759C6 #7684D5

Accessibility & contrast

On white

8.80

#31419F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#31419F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31419F

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31419F	#FFFFFF	#000000	##FFFFFF
##31419F	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#00469D

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #31419f;
/* rgb */ color: rgb(49, 65, 159);
/* oklch */ color: oklch(42.1% 0.153 271.0);

Tailwind

colors: {
  custom: {
    50: '#7775bc',
    500: '#31419f',
    950: '#000000',
  },
}

SCSS

$custom: #31419f;
$custom-light: #7775bc;
$custom-dark: #000000;

JSON

{
  "hex": "#31419f",
  "rgb": {
    "r": 49,
    "g": 65,
    "b": 159
  },
  "hsl": {
    "h": 231.273,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.42091,
    "c": 0.1528,
    "h": 271
  },
  "luminance": 0.06937
}

Semantic roles & 50–950 ramp

primary

#31419F

secondary

#BDB16F

accent

#C74CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #31419F

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

Preview Lab → · Contrast checker → · Palette generator →