#31429C#31429C

#31429C is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.0% C 0.147 H 270.6°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#31429C
RGB	rgb(49, 66, 156)
HSL	hsl(230, 52%, 40%)
HSV	hsv(230, 69%, 61%)
CMYK	cmyk(68.6%, 57.7%, 0%, 38.8%)
CIE-LAB	lab(31.69, 24.12, -51.16)
CIE-LCH	lch(31.69, 56.57, 295.24°)
OKLab	oklab(42.04% 0.0017 -0.1473)
OKLCH	oklch(42.04% 0.147 270.6)
XYZ	xyz(9.2136, 6.9488, 32.3017)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31429C #9C8B31

analogous

#31789C #31429C #55319C

triadic

#31429C #9C3142 #429C31

tetradic

#31429C #9C3178 #9C8B31 #319C55

square

#31429C #9C3178 #9C8B31 #319C55

split-complementary

#31429C #9C5531 #789C31

monochromatic

#141B3F #222E6D #31429C #455AC5 #7483D3

Accessibility & contrast

On white

8.79

#31429C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#31429C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31429C

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31429C	#FFFFFF	#000000	##FFFFFF
##31429C	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509F

Deuteranopia (green-blind)

#00469A

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #31429c;
/* rgb */ color: rgb(49, 66, 156);
/* oklch */ color: oklch(42.0% 0.147 270.6);

Tailwind

colors: {
  custom: {
    50: '#7676ba',
    500: '#31429c',
    950: '#000000',
  },
}

SCSS

$custom: #31429c;
$custom-light: #7676ba;
$custom-dark: #000000;

JSON

{
  "hex": "#31429c",
  "rgb": {
    "r": 49,
    "g": 66,
    "b": 156
  },
  "hsl": {
    "h": 230.467,
    "s": 52.195,
    "l": 40.196
  },
  "oklch": {
    "l": 0.42039,
    "c": 0.1473,
    "h": 270.6
  },
  "luminance": 0.0695
}

Semantic roles & 50–950 ramp

primary

#31429C

secondary

#BBAF6D

accent

#C54CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #31429C

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

Preview Lab → · Contrast checker → · Palette generator →