#31429D#31429D

#31429D is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.1% C 0.149 H 270.7°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#31429D
RGB	rgb(49, 66, 157)
HSL	hsl(231, 52%, 40%)
HSV	hsv(231, 69%, 62%)
CMYK	cmyk(68.8%, 58%, 0%, 38.4%)
CIE-LAB	lab(31.77, 24.49, -51.64)
CIE-LCH	lch(31.77, 57.16, 295.37°)
OKLab	oklab(42.12% 0.0017 -0.1487)
OKLCH	oklch(42.12% 0.149 270.7)
XYZ	xyz(9.2986, 6.9828, 32.7495)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31429D #9D8C31

analogous

#31789D #31429D #56319D

triadic

#31429D #9D3142 #429D31

tetradic

#31429D #9D3178 #9D8C31 #319D56

square

#31429D #9D3178 #9D8C31 #319D56

split-complementary

#31429D #9D5631 #789D31

monochromatic

#141B40 #222E6E #31429D #465AC5 #7584D4

Accessibility & contrast

On white

8.76

#31429D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#31429D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31429D

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31429D	#FFFFFF	#000000	##FFFFFF
##31429D	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A0

Deuteranopia (green-blind)

#00469B

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #31429d;
/* rgb */ color: rgb(49, 66, 157);
/* oklch */ color: oklch(42.1% 0.149 270.7);

Tailwind

colors: {
  custom: {
    50: '#7776bb',
    500: '#31429d',
    950: '#000000',
  },
}

SCSS

$custom: #31429d;
$custom-light: #7776bb;
$custom-dark: #000000;

JSON

{
  "hex": "#31429d",
  "rgb": {
    "r": 49,
    "g": 66,
    "b": 157
  },
  "hsl": {
    "h": 230.556,
    "s": 52.427,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42122,
    "c": 0.14871,
    "h": 270.7
  },
  "luminance": 0.06984
}

Semantic roles & 50–950 ramp

primary

#31429D

secondary

#BCB06E

accent

#C54CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #31429D

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

Preview Lab → · Contrast checker → · Palette generator →