#31439E#31439E

#31439E is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.149 H 270.3°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#31439E
RGB	rgb(49, 67, 158)
HSL	hsl(230, 53%, 41%)
HSV	hsv(230, 69%, 62%)
CMYK	cmyk(69%, 57.6%, 0%, 38%)
CIE-LAB	lab(32.11, 24.20, -51.69)
CIE-LCH	lch(32.11, 57.07, 295.09°)
OKLab	oklab(42.4% 0.0009 -0.1488)
OKLCH	oklch(42.4% 0.149 270.3)
XYZ	xyz(9.4432, 7.1350, 33.2207)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31439E #9E8C31

analogous

#31799E #31439E #55319E

triadic

#31439E #9E3143 #439E31

tetradic

#31439E #9E3179 #9E8C31 #319E55

square

#31439E #9E3179 #9E8C31 #319E55

split-complementary

#31439E #9E5531 #799E31

monochromatic

#141B41 #232F6F #31439E #465BC6 #7585D4

Accessibility & contrast

On white

8.65

#31439E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#31439E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31439E

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31439E	#FFFFFF	#000000	##FFFFFF
##31439E	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A1

Deuteranopia (green-blind)

#00479C

Tritanopia (blue-blind)

#00596A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #31439e;
/* rgb */ color: rgb(49, 67, 158);
/* oklch */ color: oklch(42.4% 0.149 270.3);

Tailwind

colors: {
  custom: {
    50: '#7776bb',
    500: '#31439e',
    950: '#000000',
  },
}

SCSS

$custom: #31439e;
$custom-light: #7776bb;
$custom-dark: #000000;

JSON

{
  "hex": "#31439e",
  "rgb": {
    "r": 49,
    "g": 67,
    "b": 158
  },
  "hsl": {
    "h": 230.092,
    "s": 52.657,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42404,
    "c": 0.14882,
    "h": 270.3
  },
  "luminance": 0.07136
}

Semantic roles & 50–950 ramp

primary

#31439E

secondary

#BCAF6E

accent

#C44CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #31439E

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

Preview Lab → · Contrast checker → · Palette generator →