#5378DD#5378DD

#5378DD is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.6% C 0.159 H 266.5°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#5378DD
RGB	rgb(83, 120, 221)
HSL	hsl(224, 67%, 60%)
HSV	hsv(224, 62%, 87%)
CMYK	cmyk(62.4%, 45.7%, 0%, 13.3%)
CIE-LAB	lab(52.39, 18.29, -55.62)
CIE-LCH	lch(52.39, 58.55, 288.20°)
OKLab	oklab(59.6% -0.0097 -0.1589)
OKLCH	oklch(59.6% 0.159 266.5)
XYZ	xyz(23.3304, 20.4903, 71.1181)
Luminance	0.2049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5378DD #DDB853

analogous

#53BDDD #5378DD #7353DD

triadic

#5378DD #DD5378 #78DD53

tetradic

#5378DD #DD53BD #DDB853 #53DD73

square

#5378DD #DD53BD #DDB853 #53DD73

split-complementary

#5378DD #DD7353 #BDDD53

monochromatic

#1E3F98 #2854CB #5378DD #86A0E7 #B9C8F1

Accessibility & contrast

On white

4.12

#5378DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#5378DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5378DD

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5378DD	#FFFFFF	#000000	##000000
##5378DD	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4784E1

Deuteranopia (green-blind)

#2F77DB

Tritanopia (blue-blind)

#008FA0

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5378dd;
/* rgb */ color: rgb(83, 120, 221);
/* oklch */ color: oklch(59.6% 0.159 266.5);

Tailwind

colors: {
  custom: {
    50: '#909ee8',
    500: '#5378dd',
    950: '#000000',
  },
}

SCSS

$custom: #5378dd;
$custom-light: #909ee8;
$custom-dark: #000000;

JSON

{
  "hex": "#5378dd",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 221
  },
  "hsl": {
    "h": 223.913,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.59599,
    "c": 0.15922,
    "h": 266.5
  },
  "luminance": 0.20492
}

Semantic roles & 50–950 ramp

primary

#5378DD

secondary

#E1D2AB

accent

#BC3EEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5378DD

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

Preview Lab → · Contrast checker → · Palette generator →