#5371C9#5371C9

#5371C9 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.9% C 0.140 H 267.7°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#5371C9
RGB	rgb(83, 113, 201)
HSL	hsl(225, 52%, 56%)
HSV	hsv(225, 59%, 79%)
CMYK	cmyk(58.7%, 43.8%, 0%, 21.2%)
CIE-LAB	lab(49.33, 15.85, -49.15)
CIE-LCH	lch(49.33, 51.64, 287.87°)
OKLab	oklab(56.88% -0.0057 -0.14)
OKLCH	oklch(56.88% 0.14 267.7)
XYZ	xyz(20.0115, 17.8647, 57.6407)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5371C9 #C9AB53

analogous

#53ACC9 #5371C9 #7053C9

triadic

#5371C9 #C95371 #71C953

tetradic

#5371C9 #C953AC #C9AB53 #53C970

square

#5371C9 #C953AC #C9AB53 #53C970

split-complementary

#5371C9 #C97053 #ACC953

monochromatic

#273C7B #3553AA #5371C9 #8297D8 #B0BEE6

Accessibility & contrast

On white

4.59

#5371C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#5371C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5371C9

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5371C9	#FFFFFF	#000000	##FFFFFF
##5371C9	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497BCC

Deuteranopia (green-blind)

#3970C7

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5371c9;
/* rgb */ color: rgb(83, 113, 201);
/* oklch */ color: oklch(56.9% 0.140 267.7);

Tailwind

colors: {
  custom: {
    50: '#8d99da',
    500: '#5371c9',
    950: '#000000',
  },
}

SCSS

$custom: #5371c9;
$custom-light: #8d99da;
$custom-dark: #000000;

JSON

{
  "hex": "#5371c9",
  "rgb": {
    "r": 83,
    "g": 113,
    "b": 201
  },
  "hsl": {
    "h": 224.746,
    "s": 52.212,
    "l": 55.686
  },
  "oklch": {
    "l": 0.56882,
    "c": 0.14012,
    "h": 267.7
  },
  "luminance": 0.17866
}

Semantic roles & 50–950 ramp

primary

#5371C9

secondary

#D4C8A3

accent

#B74CDC

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5371C9

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

Preview Lab → · Contrast checker → · Palette generator →