#5371E9#5371E9

#5371E9 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 59.0% C 0.184 H 269.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#5371E9
RGB	rgb(83, 113, 233)
HSL	hsl(228, 77%, 62%)
HSV	hsv(228, 64%, 91%)
CMYK	cmyk(64.4%, 51.5%, 0%, 8.6%)
CIE-LAB	lab(51.30, 26.70, -64.11)
CIE-LCH	lch(51.30, 69.45, 292.61°)
OKLab	oklab(59.01% -0.0017 -0.184)
OKLCH	oklch(59.01% 0.184 269.5)
XYZ	xyz(24.1754, 19.5303, 79.5707)
Luminance	0.1953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5371E9 #E9CB53

analogous

#53BCE9 #5371E9 #8053E9

triadic

#5371E9 #E95371 #71E953

tetradic

#5371E9 #E953BC #E9CB53 #53E980

square

#5371E9 #E953BC #E9CB53 #53E980

split-complementary

#5371E9 #E98053 #BCE953

monochromatic

#1634AC #1D44E2 #5371E9 #899EF0 #C0CBF7

Accessibility & contrast

On white

4.28

#5371E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#5371E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5371E9

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5371E9	#FFFFFF	#000000	##000000
##5371E9	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2781ED

Deuteranopia (green-blind)

#0074E7

Tritanopia (blue-blind)

#008DA2

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5371e9;
/* rgb */ color: rgb(83, 113, 233);
/* oklch */ color: oklch(59.0% 0.184 269.5);

Tailwind

colors: {
  custom: {
    50: '#9299f1',
    500: '#5371e9',
    950: '#000000',
  },
}

SCSS

$custom: #5371e9;
$custom-light: #9299f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5371e9",
  "rgb": {
    "r": 83,
    "g": 113,
    "b": 233
  },
  "hsl": {
    "h": 228,
    "s": 77.32,
    "l": 61.961
  },
  "oklch": {
    "l": 0.59014,
    "c": 0.184,
    "h": 269.5
  },
  "luminance": 0.19532
}

Semantic roles & 50–950 ramp

primary

#5371E9

secondary

#E8DCB0

accent

#B00CDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5371E9

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

Preview Lab → · Contrast checker → · Palette generator →