#5378D9#5378D9

#5378D9 is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.3% C 0.154 H 266.1°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#5378D9
RGB	rgb(83, 120, 217)
HSL	hsl(223, 64%, 59%)
HSV	hsv(223, 62%, 85%)
CMYK	cmyk(61.8%, 44.7%, 0%, 14.9%)
CIE-LAB	lab(52.15, 16.93, -53.74)
CIE-LCH	lch(52.15, 56.34, 287.49°)
OKLab	oklab(59.34% -0.0103 -0.1534)
OKLCH	oklch(59.34% 0.154 266.1)
XYZ	xyz(22.8038, 20.2797, 68.3448)
Luminance	0.2028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5378D9 #D9B453

analogous

#53BBD9 #5378D9 #7153D9

triadic

#5378D9 #D95378 #78D953

tetradic

#5378D9 #D953BB #D9B453 #53D971

square

#5378D9 #D953BB #D9B453 #53D971

split-complementary

#5378D9 #D97153 #BBD953

monochromatic

#203F91 #2B55C4 #5378D9 #859FE4 #B7C7EF

Accessibility & contrast

On white

4.15

#5378D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#5378D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5378D9

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5378D9	#FFFFFF	#000000	##000000
##5378D9	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A83DD

Deuteranopia (green-blind)

#3577D7

Tritanopia (blue-blind)

#008E9E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5378d9;
/* rgb */ color: rgb(83, 120, 217);
/* oklch */ color: oklch(59.3% 0.154 266.1);

Tailwind

colors: {
  custom: {
    50: '#8f9ee5',
    500: '#5378d9',
    950: '#000000',
  },
}

SCSS

$custom: #5378d9;
$custom-light: #8f9ee5;
$custom-dark: #000000;

JSON

{
  "hex": "#5378d9",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 217
  },
  "hsl": {
    "h": 223.433,
    "s": 63.81,
    "l": 58.824
  },
  "oklch": {
    "l": 0.59343,
    "c": 0.15375,
    "h": 266.1
  },
  "luminance": 0.20282
}

Semantic roles & 50–950 ramp

primary

#5378D9

secondary

#DED0AA

accent

#B941E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #5378D9

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

Preview Lab → · Contrast checker → · Palette generator →