#5B71EC#5B71EC

#5B71EC is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.7% C 0.186 H 272.0°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#5B71EC
RGB	rgb(91, 113, 236)
HSL	hsl(231, 79%, 64%)
HSV	hsv(231, 61%, 93%)
CMYK	cmyk(61.4%, 52.1%, 0%, 7.5%)
CIE-LAB	lab(51.94, 29.04, -64.74)
CIE-LCH	lch(51.94, 70.95, 294.16°)
OKLab	oklab(59.67% 0.0064 -0.1857)
OKLCH	oklch(59.67% 0.186 272)
XYZ	xyz(25.3548, 20.0884, 81.8819)
Luminance	0.2009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71EC #ECD65B

analogous

#5BB9EC #5B71EC #8E5BEC

triadic

#5B71EC #EC5B71 #71EC5B

tetradic

#5B71EC #EC5BB9 #ECD65B #5BEC8E

square

#5B71EC #EC5BB9 #ECD65B #5BEC8E

split-complementary

#5B71EC #EC8E5B #B9EC5B

monochromatic

#152EB7 #2442E6 #5B71EC #92A0F2 #C9D0F9

Accessibility & contrast

On white

4.18

#5B71EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#5B71EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71EC

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71EC	#FFFFFF	#000000	##000000
##5B71EC	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2482F0

Deuteranopia (green-blind)

#0076E9

Tritanopia (blue-blind)

#008EA4

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5b71ec;
/* rgb */ color: rgb(91, 113, 236);
/* oklch */ color: oklch(59.7% 0.186 272.0);

Tailwind

colors: {
  custom: {
    50: '#9699f3',
    500: '#5b71ec',
    950: '#000000',
  },
}

SCSS

$custom: #5b71ec;
$custom-light: #9699f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71ec",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 236
  },
  "hsl": {
    "h": 230.897,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.59673,
    "c": 0.18579,
    "h": 272
  },
  "luminance": 0.20091
}

Semantic roles & 50–950 ramp

primary

#5B71EC

secondary

#EBE3B8

accent

#BC0ADC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #5B71EC

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

Preview Lab → · Contrast checker → · Palette generator →