#5370EF#5370EF

#5370EF is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.3% C 0.193 H 269.9°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#5370EF
RGB	rgb(83, 112, 239)
HSL	hsl(229, 83%, 63%)
HSV	hsv(229, 65%, 94%)
CMYK	cmyk(65.3%, 53.1%, 0%, 6.3%)
CIE-LAB	lab(51.45, 29.37, -67.23)
CIE-LCH	lch(51.45, 73.37, 293.59°)
OKLab	oklab(59.25% -0.0004 -0.1932)
OKLCH	oklch(59.25% 0.193 269.9)
XYZ	xyz(24.9361, 19.6570, 84.1247)
Luminance	0.1966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5370EF #EFD253

analogous

#53BEEF #5370EF #8453EF

triadic

#5370EF #EF5370 #70EF53

tetradic

#5370EF #EF53BE #EFD253 #53EF84

square

#5370EF #EF53BE #EFD253 #53EF84

split-complementary

#5370EF #EF8453 #BEEF53

monochromatic

#1130B7 #1B41EA #5370EF #8B9FF4 #C3CDF9

Accessibility & contrast

On white

4.26

#5370EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#5370EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5370EF

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5370EF	#FFFFFF	#000000	##000000
##5370EF	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1482F3

Deuteranopia (green-blind)

#0074EC

Tritanopia (blue-blind)

#008EA5

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5370ef;
/* rgb */ color: rgb(83, 112, 239);
/* oklch */ color: oklch(59.3% 0.193 269.9);

Tailwind

colors: {
  custom: {
    50: '#9398f5',
    500: '#5370ef',
    950: '#000000',
  },
}

SCSS

$custom: #5370ef;
$custom-light: #9398f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5370ef",
  "rgb": {
    "r": 83,
    "g": 112,
    "b": 239
  },
  "hsl": {
    "h": 228.846,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.59251,
    "c": 0.19319,
    "h": 269.9
  },
  "luminance": 0.19659
}

Semantic roles & 50–950 ramp

primary

#5370EF

secondary

#EBE0B3

accent

#B706DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5370EF

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

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