#31449B#31449B

#31449B is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.4% C 0.143 H 269.9°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#31449B
RGB	rgb(49, 68, 155)
HSL	hsl(229, 52%, 40%)
HSV	hsv(229, 68%, 61%)
CMYK	cmyk(68.4%, 56.1%, 0%, 39.2%)
CIE-LAB	lab(32.15, 22.42, -49.81)
CIE-LCH	lch(32.15, 54.62, 294.23°)
OKLab	oklab(42.36% -0.0002 -0.1433)
OKLCH	oklch(42.36% 0.143 269.9)
XYZ	xyz(9.2481, 7.1529, 31.8973)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31449B #9B8831

analogous

#31799B #31449B #53319B

triadic

#31449B #9B3144 #449B31

tetradic

#31449B #9B3179 #9B8831 #319B53

square

#31449B #9B3179 #9B8831 #319B53

split-complementary

#31449B #9B5331 #799B31

monochromatic

#141B3E #22306D #31449B #455CC4 #7385D3

Accessibility & contrast

On white

8.64

#31449B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#31449B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31449B

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31449B	#FFFFFF	#000000	##FFFFFF
##31449B	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519E

Deuteranopia (green-blind)

#004799

Tritanopia (blue-blind)

#005968

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #31449b;
/* rgb */ color: rgb(49, 68, 155);
/* oklch */ color: oklch(42.4% 0.143 269.9);

Tailwind

colors: {
  custom: {
    50: '#7677b9',
    500: '#31449b',
    950: '#000000',
  },
}

SCSS

$custom: #31449b;
$custom-light: #7677b9;
$custom-dark: #000000;

JSON

{
  "hex": "#31449b",
  "rgb": {
    "r": 49,
    "g": 68,
    "b": 155
  },
  "hsl": {
    "h": 229.245,
    "s": 51.961,
    "l": 40
  },
  "oklch": {
    "l": 0.42361,
    "c": 0.14327,
    "h": 269.9
  },
  "luminance": 0.07154
}

Semantic roles & 50–950 ramp

primary

#31449B

secondary

#BBAD6D

accent

#C24CDB

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #31449B

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

Preview Lab → · Contrast checker → · Palette generator →