#5B70DB#5B70DB

#5B70DB is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.3% C 0.164 H 272.0°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#5B70DB
RGB	rgb(91, 112, 219)
HSL	hsl(230, 64%, 61%)
HSV	hsv(230, 58%, 86%)
CMYK	cmyk(58.4%, 48.9%, 0%, 14.1%)
CIE-LAB	lab(50.60, 24.02, -57.33)
CIE-LCH	lch(50.60, 62.16, 292.73°)
OKLab	oklab(58.32% 0.0058 -0.1639)
OKLCH	oklch(58.32% 0.164 272)
XYZ	xyz(22.8905, 18.9252, 69.4508)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B70DB #DBC65B

analogous

#5BB0DB #5B70DB #865BDB

triadic

#5B70DB #DB5B70 #70DB5B

tetradic

#5B70DB #DB5BB0 #DBC65B #5BDB86

square

#5B70DB #DB5BB0 #DBC65B #5BDB86

split-complementary

#5B70DB #DB865B #B0DB5B

monochromatic

#22359A #2D47CC #5B70DB #8D9CE6 #BFC8F1

Accessibility & contrast

On white

4.39

#5B70DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#5B70DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B70DB

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B70DB	#FFFFFF	#000000	##000000
##5B70DB	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#397EDF

Deuteranopia (green-blind)

#2273D9

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5b70db;
/* rgb */ color: rgb(91, 112, 219);
/* oklch */ color: oklch(58.3% 0.164 272.0);

Tailwind

colors: {
  custom: {
    50: '#9498e7',
    500: '#5b70db',
    950: '#000000',
  },
}

SCSS

$custom: #5b70db;
$custom-light: #9498e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b70db",
  "rgb": {
    "r": 91,
    "g": 112,
    "b": 219
  },
  "hsl": {
    "h": 230.156,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.58316,
    "c": 0.16399,
    "h": 272
  },
  "luminance": 0.18927
}

Semantic roles & 50–950 ramp

primary

#5B70DB

secondary

#E1D9B1

accent

#AF1ACC

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B70DB

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

Preview Lab → · Contrast checker → · Palette generator →