#31429A#31429A

#31429A is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.9% C 0.144 H 270.6°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#31429A
RGB	rgb(49, 66, 154)
HSL	hsl(230, 52%, 40%)
HSV	hsv(230, 68%, 60%)
CMYK	cmyk(68.2%, 57.1%, 0%, 39.6%)
CIE-LAB	lab(31.54, 23.39, -50.20)
CIE-LCH	lch(31.54, 55.38, 294.98°)
OKLab	oklab(41.88% 0.0016 -0.1444)
OKLCH	oklch(41.88% 0.144 270.6)
XYZ	xyz(9.0456, 6.8816, 31.4172)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31429A #9A8931

analogous

#31769A #31429A #55319A

triadic

#31429A #9A3142 #429A31

tetradic

#31429A #9A3176 #9A8931 #319A55

square

#31429A #9A3176 #9A8931 #319A55

split-complementary

#31429A #9A5531 #769A31

monochromatic

#131A3D #222E6C #31429A #4559C4 #7382D2

Accessibility & contrast

On white

8.84

#31429A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#31429A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31429A

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31429A	#FFFFFF	#000000	##FFFFFF
##31429A	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9D

Deuteranopia (green-blind)

#004698

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #31429a;
/* rgb */ color: rgb(49, 66, 154);
/* oklch */ color: oklch(41.9% 0.144 270.6);

Tailwind

colors: {
  custom: {
    50: '#7676b8',
    500: '#31429a',
    950: '#000000',
  },
}

SCSS

$custom: #31429a;
$custom-light: #7676b8;
$custom-dark: #000000;

JSON

{
  "hex": "#31429a",
  "rgb": {
    "r": 49,
    "g": 66,
    "b": 154
  },
  "hsl": {
    "h": 230.286,
    "s": 51.724,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41875,
    "c": 0.14446,
    "h": 270.6
  },
  "luminance": 0.06882
}

Semantic roles & 50–950 ramp

primary

#31429A

secondary

#BAAE6C

accent

#C44DDB

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #31429A

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

Preview Lab → · Contrast checker → · Palette generator →