#31419C#31419C

#31419C is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.8% C 0.149 H 271.0°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#31419C
RGB	rgb(49, 65, 156)
HSL	hsl(231, 52%, 40%)
HSV	hsv(231, 69%, 61%)
CMYK	cmyk(68.6%, 58.3%, 0%, 38.8%)
CIE-LAB	lab(31.42, 24.79, -51.60)
CIE-LCH	lch(31.42, 57.24, 295.66°)
OKLab	oklab(41.84% 0.0025 -0.1486)
OKLCH	oklch(41.84% 0.149 271)
XYZ	xyz(9.1556, 6.8330, 32.2824)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31419C #9C8C31

analogous

#31769C #31419C #56319C

triadic

#31419C #9C3141 #419C31

tetradic

#31419C #9C3176 #9C8C31 #319C56

square

#31419C #9C3176 #9C8C31 #319C56

split-complementary

#31419C #9C5631 #769C31

monochromatic

#141A3F #222E6D #31419C #4559C5 #7482D3

Accessibility & contrast

On white

8.87

#31419C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#31419C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31419C

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31419C	#FFFFFF	#000000	##FFFFFF
##31419C	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9F

Deuteranopia (green-blind)

#00459A

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #31419c;
/* rgb */ color: rgb(49, 65, 156);
/* oklch */ color: oklch(41.8% 0.149 271.0);

Tailwind

colors: {
  custom: {
    50: '#7775ba',
    500: '#31419c',
    950: '#000000',
  },
}

SCSS

$custom: #31419c;
$custom-light: #7775ba;
$custom-dark: #000000;

JSON

{
  "hex": "#31419c",
  "rgb": {
    "r": 49,
    "g": 65,
    "b": 156
  },
  "hsl": {
    "h": 231.028,
    "s": 52.195,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4184,
    "c": 0.14859,
    "h": 271
  },
  "luminance": 0.06834
}

Semantic roles & 50–950 ramp

primary

#31419C

secondary

#BBB06D

accent

#C64CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #31419C

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

Preview Lab → · Contrast checker → · Palette generator →