#5371DA#5371DA

#5371DA is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.0% C 0.164 H 268.9°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#5371DA
RGB	rgb(83, 113, 218)
HSL	hsl(227, 65%, 59%)
HSV	hsv(227, 62%, 85%)
CMYK	cmyk(61.9%, 48.2%, 0%, 14.5%)
CIE-LAB	lab(50.35, 21.59, -57.20)
CIE-LCH	lch(50.35, 61.14, 290.68°)
OKLab	oklab(57.98% -0.0033 -0.1637)
OKLCH	oklch(57.98% 0.164 268.9)
XYZ	xyz(22.1230, 18.7093, 68.7615)
Luminance	0.1871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5371DA #DABC53

analogous

#53B4DA #5371DA #7953DA

triadic

#5371DA #DA5371 #71DA53

tetradic

#5371DA #DA53B4 #DABC53 #53DA79

square

#5371DA #DA53B4 #DABC53 #53DA79

split-complementary

#5371DA #DA7953 #B4DA53

monochromatic

#203993 #2A4DC5 #5371DA #859BE5 #B8C4F0

Accessibility & contrast

On white

4.43

#5371DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#5371DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5371DA

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5371DA	#FFFFFF	#000000	##000000
##5371DA	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7EDE

Deuteranopia (green-blind)

#1F72D8

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5371da;
/* rgb */ color: rgb(83, 113, 218);
/* oklch */ color: oklch(58.0% 0.164 268.9);

Tailwind

colors: {
  custom: {
    50: '#8f99e6',
    500: '#5371da',
    950: '#000000',
  },
}

SCSS

$custom: #5371da;
$custom-light: #8f99e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5371da",
  "rgb": {
    "r": 83,
    "g": 113,
    "b": 218
  },
  "hsl": {
    "h": 226.667,
    "s": 64.593,
    "l": 59.02
  },
  "oklch": {
    "l": 0.57983,
    "c": 0.1637,
    "h": 268.9
  },
  "luminance": 0.18711
}

Semantic roles & 50–950 ramp

primary

#5371DA

secondary

#DFD3AA

accent

#C240E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5371DA

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

Preview Lab → · Contrast checker → · Palette generator →