#5375CC#5375CC

#5375CC is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.9% C 0.139 H 266.1°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#5375CC
RGB	rgb(83, 117, 204)
HSL	hsl(223, 54%, 56%)
HSV	hsv(223, 59%, 80%)
CMYK	cmyk(59.3%, 42.6%, 0%, 20%)
CIE-LAB	lab(50.59, 14.39, -48.85)
CIE-LCH	lch(50.59, 50.93, 286.41°)
OKLab	oklab(57.9% -0.0095 -0.1391)
OKLCH	oklch(57.9% 0.139 266.1)
XYZ	xyz(20.8239, 18.9195, 59.6695)
Luminance	0.1892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5375CC #CCAA53

analogous

#53B2CC #5375CC #6E53CC

triadic

#5375CC #CC5375 #75CC53

tetradic

#5375CC #CC53B2 #CCAA53 #53CC6E

square

#5375CC #CC53B2 #CCAA53 #53CC6E

split-complementary

#5375CC #CC6E53 #B2CC53

monochromatic

#263F7F #3456AE #5375CC #829BDA #B1C1E8

Accessibility & contrast

On white

4.39

#5375CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#5375CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5375CC

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5375CC	#FFFFFF	#000000	##000000
##5375CC	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7ECF

Deuteranopia (green-blind)

#3D73CA

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5375cc;
/* rgb */ color: rgb(83, 117, 204);
/* oklch */ color: oklch(57.9% 0.139 266.1);

Tailwind

colors: {
  custom: {
    50: '#8d9cdc',
    500: '#5375cc',
    950: '#000000',
  },
}

SCSS

$custom: #5375cc;
$custom-light: #8d9cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#5375cc",
  "rgb": {
    "r": 83,
    "g": 117,
    "b": 204
  },
  "hsl": {
    "h": 223.14,
    "s": 54.26,
    "l": 56.275
  },
  "oklch": {
    "l": 0.57905,
    "c": 0.1394,
    "h": 266.1
  },
  "luminance": 0.18921
}

Semantic roles & 50–950 ramp

primary

#5375CC

secondary

#D6C8A4

accent

#B44ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5375CC

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

Preview Lab → · Contrast checker → · Palette generator →