#5B70DD#5B70DD

#5B70DD is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.5% C 0.167 H 272.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#5B70DD
RGB	rgb(91, 112, 221)
HSL	hsl(230, 66%, 61%)
HSV	hsv(230, 59%, 87%)
CMYK	cmyk(58.8%, 49.3%, 0%, 13.3%)
CIE-LAB	lab(50.72, 24.68, -58.27)
CIE-LCH	lch(50.72, 63.28, 292.95°)
OKLab	oklab(58.45% 0.006 -0.1666)
OKLCH	oklch(58.45% 0.167 272.1)
XYZ	xyz(23.1554, 19.0311, 70.8458)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B70DD #DDC85B

analogous

#5BB1DD #5B70DD #875BDD

triadic

#5B70DD #DD5B70 #70DD5B

tetradic

#5B70DD #DD5BB1 #DDC85B #5BDD87

square

#5B70DD #DD5BB1 #DDC85B #5BDD87

split-complementary

#5B70DD #DD875B #B1DD5B

monochromatic

#21359D #2B46D0 #5B70DD #8E9CE8 #C0C8F2

Accessibility & contrast

On white

4.37

#5B70DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#5B70DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B70DD

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B70DD	#FFFFFF	#000000	##000000
##5B70DD	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#377FE1

Deuteranopia (green-blind)

#1E73DB

Tritanopia (blue-blind)

#00899C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5b70dd;
/* rgb */ color: rgb(91, 112, 221);
/* oklch */ color: oklch(58.5% 0.167 272.1);

Tailwind

colors: {
  custom: {
    50: '#9498e8',
    500: '#5b70dd',
    950: '#000000',
  },
}

SCSS

$custom: #5b70dd;
$custom-light: #9498e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b70dd",
  "rgb": {
    "r": 91,
    "g": 112,
    "b": 221
  },
  "hsl": {
    "h": 230.308,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.5845,
    "c": 0.16674,
    "h": 272.1
  },
  "luminance": 0.19033
}

Semantic roles & 50–950 ramp

primary

#5B70DD

secondary

#E2DAB1

accent

#B018CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B70DD

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

Preview Lab → · Contrast checker → · Palette generator →