#504BB5#504BB5

#504BB5 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.9% C 0.163 H 280.4°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#504BB5
RGB	rgb(80, 75, 181)
HSL	hsl(243, 42%, 50%)
HSV	hsv(243, 59%, 71%)
CMYK	cmyk(55.8%, 58.6%, 0%, 29%)
CIE-LAB	lab(37.97, 32.43, -55.81)
CIE-LCH	lch(37.97, 64.55, 300.16°)
OKLab	oklab(47.85% 0.0294 -0.16)
OKLCH	oklch(47.85% 0.163 280.4)
XYZ	xyz(14.1622, 10.0729, 44.9051)
Luminance	0.1007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.65

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#504BB5 #B0B54B

analogous

#4B7BB5 #504BB5 #854BB5

triadic

#504BB5 #B5504B #4BB550

tetradic

#504BB5 #B54B7B #B0B54B #4BB585

square

#504BB5 #B54B7B #B0B54B #4BB585

split-complementary

#504BB5 #B5854B #7BB54B

monochromatic

#2A275F #3D398A #504BB5 #7A76C7 #A4A2D9

Accessibility & contrast

On white

6.97

#504BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#504BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #504BB5

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##504BB5	#FFFFFF	#000000	##FFFFFF
##504BB5	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB9

Deuteranopia (green-blind)

#0055B3

Tritanopia (blue-blind)

#1E6478

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #504bb5;
/* rgb */ color: rgb(80, 75, 181);
/* oklch */ color: oklch(47.9% 0.163 280.4);

Tailwind

colors: {
  custom: {
    50: '#8a7dcc',
    500: '#504bb5',
    950: '#000000',
  },
}

SCSS

$custom: #504bb5;
$custom-light: #8a7dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#504bb5",
  "rgb": {
    "r": 80,
    "g": 75,
    "b": 181
  },
  "hsl": {
    "h": 242.83,
    "s": 41.732,
    "l": 50.196
  },
  "oklch": {
    "l": 0.4785,
    "c": 0.16273,
    "h": 280.4
  },
  "luminance": 0.10074
}

Semantic roles & 50–950 ramp

primary

#504BB5

secondary

#C3C696

accent

#D256CC

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0D0913

muted

#7D7B82

Preview Lab

Preview with #504BB5

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

Preview Lab → · Contrast checker → · Palette generator →