#5B70E4#5B70E4

#5B70E4 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.9% C 0.176 H 272.2°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#5B70E4
RGB	rgb(91, 112, 228)
HSL	hsl(231, 72%, 63%)
HSV	hsv(231, 60%, 89%)
CMYK	cmyk(60.1%, 50.9%, 0%, 10.6%)
CIE-LAB	lab(51.17, 26.99, -61.50)
CIE-LCH	lch(51.17, 67.16, 293.70°)
OKLab	oklab(58.93% 0.0067 -0.1761)
OKLCH	oklch(58.93% 0.176 272.2)
XYZ	xyz(24.1075, 19.4120, 75.8602)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B70E4 #E4CF5B

analogous

#5BB4E4 #5B70E4 #8B5BE4

triadic

#5B70E4 #E45B70 #70E45B

tetradic

#5B70E4 #E45BB4 #E4CF5B #5BE48B

square

#5B70E4 #E45BB4 #E4CF5B #5BE48B

split-complementary

#5B70E4 #E48B5B #B4E45B

monochromatic

#1C31A9 #2642DB #5B70E4 #909EED #C4CCF5

Accessibility & contrast

On white

4.30

#5B70E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#5B70E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B70E4

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B70E4	#FFFFFF	#000000	##000000
##5B70E4	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E80E8

Deuteranopia (green-blind)

#0374E2

Tritanopia (blue-blind)

#008B9F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5b70e4;
/* rgb */ color: rgb(91, 112, 228);
/* oklch */ color: oklch(58.9% 0.176 272.2);

Tailwind

colors: {
  custom: {
    50: '#9598ed',
    500: '#5b70e4',
    950: '#000000',
  },
}

SCSS

$custom: #5b70e4;
$custom-light: #9598ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5b70e4",
  "rgb": {
    "r": 91,
    "g": 112,
    "b": 228
  },
  "hsl": {
    "h": 230.803,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.58926,
    "c": 0.17628,
    "h": 272.2
  },
  "luminance": 0.19414
}

Semantic roles & 50–950 ramp

primary

#5B70E4

secondary

#E6DFB4

accent

#B612D4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B70E4

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

Preview Lab → · Contrast checker → · Palette generator →