#31329F#31329F

#31329F is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.171 H 274.8°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#31329F
RGB	rgb(49, 50, 159)
HSL	hsl(239, 53%, 41%)
HSV	hsv(239, 69%, 62%)
CMYK	cmyk(69.2%, 68.6%, 0%, 37.6%)
CIE-LAB	lab(27.94, 35.60, -59.10)
CIE-LCH	lch(27.94, 69.00, 301.07°)
OKLab	oklab(39.36% 0.0143 -0.1707)
OKLCH	oklch(39.36% 0.171 274.8)
XYZ	xyz(8.6632, 5.4366, 33.3870)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31329F #9F9E31

analogous

#31699F #31329F #67319F

triadic

#31329F #9F3132 #329F31

tetradic

#31329F #9F3169 #9F9E31 #319F67

square

#31329F #9F3169 #9F9E31 #319F67

split-complementary

#31329F #9F6731 #699F31

monochromatic

#141541 #232370 #31329F #4748C6 #7677D5

Accessibility & contrast

On white

10.06

#31329F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#31329F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31329F

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31329F	#FFFFFF	#000000	##FFFFFF
##31329F	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A2

Deuteranopia (green-blind)

#003D9D

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #31329f;
/* rgb */ color: rgb(49, 50, 159);
/* oklch */ color: oklch(39.4% 0.171 274.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#31329f",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 159
  },
  "hsl": {
    "h": 239.455,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39361,
    "c": 0.17129,
    "h": 274.8
  },
  "luminance": 0.05437
}

Semantic roles & 50–950 ramp

primary

#31329F

secondary

#BDBC6F

accent

#DB4CDC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #31329F

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

Preview Lab → · Contrast checker → · Palette generator →