#5370DB#5370DB

#5370DB is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.9% C 0.166 H 269.2°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#5370DB
RGB	rgb(83, 112, 219)
HSL	hsl(227, 65%, 59%)
HSV	hsv(227, 62%, 86%)
CMYK	cmyk(62.1%, 48.9%, 0%, 14.1%)
CIE-LAB	lab(50.14, 22.55, -58.09)
CIE-LCH	lch(50.14, 62.32, 291.22°)
OKLab	oklab(57.85% -0.0022 -0.1663)
OKLCH	oklch(57.85% 0.166 269.2)
XYZ	xyz(22.1433, 18.5399, 69.4157)
Luminance	0.1854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5370DB #DBBE53

analogous

#53B4DB #5370DB #7A53DB

triadic

#5370DB #DB5370 #70DB53

tetradic

#5370DB #DB53B4 #DBBE53 #53DB7A

square

#5370DB #DB53B4 #DBBE53 #53DB7A

split-complementary

#5370DB #DB7A53 #B4DB53

monochromatic

#1F3895 #2A4BC7 #5370DB #869AE6 #B8C4F0

Accessibility & contrast

On white

4.46

#5370DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#5370DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5370DB

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5370DB	#FFFFFF	#000000	##000000
##5370DB	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#377EDF

Deuteranopia (green-blind)

#1972D9

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5370db;
/* rgb */ color: rgb(83, 112, 219);
/* oklch */ color: oklch(57.9% 0.166 269.2);

Tailwind

colors: {
  custom: {
    50: '#9098e7',
    500: '#5370db',
    950: '#000000',
  },
}

SCSS

$custom: #5370db;
$custom-light: #9098e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5370db",
  "rgb": {
    "r": 83,
    "g": 112,
    "b": 219
  },
  "hsl": {
    "h": 227.206,
    "s": 65.385,
    "l": 59.216
  },
  "oklch": {
    "l": 0.5785,
    "c": 0.1663,
    "h": 269.2
  },
  "luminance": 0.18542
}

Semantic roles & 50–950 ramp

primary

#5370DB

secondary

#DFD4AA

accent

#C43FE8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5370DB

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

Preview Lab → · Contrast checker → · Palette generator →