#5B70E9#5B70E9

#5B70E9 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.3% C 0.183 H 272.2°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#5B70E9
RGB	rgb(91, 112, 233)
HSL	hsl(231, 76%, 64%)
HSV	hsv(231, 61%, 91%)
CMYK	cmyk(60.9%, 51.9%, 0%, 8.6%)
CIE-LAB	lab(51.49, 28.65, -63.79)
CIE-LCH	lch(51.49, 69.92, 294.19°)
OKLab	oklab(59.27% 0.0071 -0.1829)
OKLCH	oklch(59.27% 0.183 272.2)
XYZ	xyz(24.8116, 19.6936, 79.5687)
Luminance	0.1970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B70E9 #E9D45B

analogous

#5BB7E9 #5B70E9 #8D5BE9

triadic

#5B70E9 #E95B70 #70E95B

tetradic

#5B70E9 #E95BB7 #E9D45B #5BE98D

square

#5B70E9 #E95BB7 #E9D45B #5BE98D

split-complementary

#5B70E9 #E98D5B #B7E95B

monochromatic

#182FB2 #2541E2 #5B70E9 #919FF0 #C7CEF7

Accessibility & contrast

On white

4.25

#5B70E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#5B70E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B70E9

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B70E9	#FFFFFF	#000000	##000000
##5B70E9	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2681ED

Deuteranopia (green-blind)

#0075E7

Tritanopia (blue-blind)

#008CA2

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b70e9;
/* rgb */ color: rgb(91, 112, 233);
/* oklch */ color: oklch(59.3% 0.183 272.2);

Tailwind

colors: {
  custom: {
    50: '#9698f1',
    500: '#5b70e9',
    950: '#000000',
  },
}

SCSS

$custom: #5b70e9;
$custom-light: #9698f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b70e9",
  "rgb": {
    "r": 91,
    "g": 112,
    "b": 233
  },
  "hsl": {
    "h": 231.127,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.59273,
    "c": 0.18301,
    "h": 272.2
  },
  "luminance": 0.19696
}

Semantic roles & 50–950 ramp

primary

#5B70E9

secondary

#E9E2B7

accent

#BA0DD9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #5B70E9

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

Preview Lab → · Contrast checker → · Palette generator →