#31349E#31349E

#31349E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.6% C 0.168 H 274.4°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#31349E
RGB	rgb(49, 52, 158)
HSL	hsl(238, 53%, 41%)
HSV	hsv(238, 69%, 62%)
CMYK	cmyk(69%, 67.1%, 0%, 38%)
CIE-LAB	lab(28.32, 34.00, -57.88)
CIE-LCH	lch(28.32, 67.12, 300.43°)
OKLab	oklab(39.61% 0.0129 -0.1671)
OKLCH	oklch(39.61% 0.168 274.4)
XYZ	xyz(8.6641, 5.5768, 32.9610)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31349E #9E9B31

analogous

#316A9E #31349E #65319E

triadic

#31349E #9E3134 #349E31

tetradic

#31349E #9E316A #9E9B31 #319E65

square

#31349E #9E316A #9E9B31 #319E65

split-complementary

#31349E #9E6531 #6A9E31

monochromatic

#141541 #23256F #31349E #464AC6 #7578D4

Accessibility & contrast

On white

9.93

#31349E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#31349E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31349E

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31349E	#FFFFFF	#000000	##FFFFFF
##31349E	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A1

Deuteranopia (green-blind)

#003E9C

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #31349e;
/* rgb */ color: rgb(49, 52, 158);
/* oklch */ color: oklch(39.6% 0.168 274.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#31349e",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 158
  },
  "hsl": {
    "h": 238.349,
    "s": 52.657,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39605,
    "c": 0.16762,
    "h": 274.4
  },
  "luminance": 0.05578
}

Semantic roles & 50–950 ramp

primary

#31349E

secondary

#BCBA6E

accent

#D84CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #31349E

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

Preview Lab → · Contrast checker → · Palette generator →