#31349F#31349F

#31349F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.7% C 0.169 H 274.4°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#31349F
RGB	rgb(49, 52, 159)
HSL	hsl(238, 53%, 41%)
HSV	hsv(238, 69%, 62%)
CMYK	cmyk(69.2%, 67.3%, 0%, 37.6%)
CIE-LAB	lab(28.41, 34.35, -58.34)
CIE-LCH	lch(28.41, 67.70, 300.49°)
OKLab	oklab(39.7% 0.0128 -0.1685)
OKLCH	oklch(39.7% 0.169 274.4)
XYZ	xyz(8.7505, 5.6113, 33.4161)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31349F #9F9C31

analogous

#316B9F #31349F #65319F

triadic

#31349F #9F3134 #349F31

tetradic

#31349F #9F316B #9F9C31 #319F65

square

#31349F #9F316B #9F9C31 #319F65

split-complementary

#31349F #9F6531 #6B9F31

monochromatic

#141541 #232570 #31349F #474AC6 #7678D5

Accessibility & contrast

On white

9.89

#31349F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#31349F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31349F

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31349F	#FFFFFF	#000000	##FFFFFF
##31349F	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A2

Deuteranopia (green-blind)

#003E9D

Tritanopia (blue-blind)

#005065

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #31349f;
/* rgb */ color: rgb(49, 52, 159);
/* oklch */ color: oklch(39.7% 0.169 274.4);

Tailwind

colors: {
  custom: {
    50: '#786cbc',
    500: '#31349f',
    950: '#000000',
  },
}

SCSS

$custom: #31349f;
$custom-light: #786cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#31349f",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 159
  },
  "hsl": {
    "h": 238.364,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39699,
    "c": 0.16895,
    "h": 274.4
  },
  "luminance": 0.05612
}

Semantic roles & 50–950 ramp

primary

#31349F

secondary

#BDBB6F

accent

#D84CDC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #31349F

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

Preview Lab → · Contrast checker → · Palette generator →