#31329E#31329E

#31329E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.3% C 0.170 H 274.8°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#31329E
RGB	rgb(49, 50, 158)
HSL	hsl(239, 53%, 41%)
HSV	hsv(239, 69%, 62%)
CMYK	cmyk(69%, 68.4%, 0%, 38%)
CIE-LAB	lab(27.85, 35.25, -58.65)
CIE-LCH	lch(27.85, 68.43, 301.01°)
OKLab	oklab(39.27% 0.0144 -0.1694)
OKLCH	oklch(39.27% 0.17 274.8)
XYZ	xyz(8.5767, 5.4020, 32.9318)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31329E #9E9D31

analogous

#31689E #31329E #67319E

triadic

#31329E #9E3132 #329E31

tetradic

#31329E #9E3168 #9E9D31 #319E67

square

#31329E #9E3168 #9E9D31 #319E67

split-complementary

#31329E #9E6731 #689E31

monochromatic

#141441 #23236F #31329E #4648C6 #7576D4

Accessibility & contrast

On white

10.09

#31329E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#31329E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31329E

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31329E	#FFFFFF	#000000	##FFFFFF
##31329E	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A1

Deuteranopia (green-blind)

#003D9C

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #31329e;
/* rgb */ color: rgb(49, 50, 158);
/* oklch */ color: oklch(39.3% 0.170 274.8);

Tailwind

colors: {
  custom: {
    50: '#786abc',
    500: '#31329e',
    950: '#000000',
  },
}

SCSS

$custom: #31329e;
$custom-light: #786abc;
$custom-dark: #000000;

JSON

{
  "hex": "#31329e",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 158
  },
  "hsl": {
    "h": 239.45,
    "s": 52.657,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39265,
    "c": 0.16998,
    "h": 274.8
  },
  "luminance": 0.05403
}

Semantic roles & 50–950 ramp

primary

#31329E

secondary

#BCBC6E

accent

#DB4CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #31329E

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

Preview Lab → · Contrast checker → · Palette generator →