#31429F#31429F

#31429F is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.3% C 0.152 H 270.7°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#31429F
RGB	rgb(49, 66, 159)
HSL	hsl(231, 53%, 41%)
HSV	hsv(231, 69%, 62%)
CMYK	cmyk(69.2%, 58.5%, 0%, 37.6%)
CIE-LAB	lab(31.92, 25.23, -52.60)
CIE-LCH	lch(31.92, 58.34, 295.63°)
OKLab	oklab(42.29% 0.0017 -0.1515)
OKLCH	oklch(42.29% 0.152 270.7)
XYZ	xyz(9.4707, 7.0517, 33.6562)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31429F #9F8E31

analogous

#31799F #31429F #57319F

triadic

#31429F #9F3142 #429F31

tetradic

#31429F #9F3179 #9F8E31 #319F57

square

#31429F #9F3179 #9F8E31 #319F57

split-complementary

#31429F #9F5731 #799F31

monochromatic

#141B41 #232F70 #31429F #475BC6 #7684D5

Accessibility & contrast

On white

8.71

#31429F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#31429F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31429F

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31429F	#FFFFFF	#000000	##FFFFFF
##31429F	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#00469D

Tritanopia (blue-blind)

#00596A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #31429f;
/* rgb */ color: rgb(49, 66, 159);
/* oklch */ color: oklch(42.3% 0.152 270.7);

Tailwind

colors: {
  custom: {
    50: '#7776bc',
    500: '#31429f',
    950: '#000000',
  },
}

SCSS

$custom: #31429f;
$custom-light: #7776bc;
$custom-dark: #000000;

JSON

{
  "hex": "#31429f",
  "rgb": {
    "r": 49,
    "g": 66,
    "b": 159
  },
  "hsl": {
    "h": 230.727,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.42288,
    "c": 0.15152,
    "h": 270.7
  },
  "luminance": 0.07053
}

Semantic roles & 50–950 ramp

primary

#31429F

secondary

#BDB16F

accent

#C64CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #31429F

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

Preview Lab → · Contrast checker → · Palette generator →