#5B70EC#5B70EC

#5B70EC is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.5% C 0.187 H 272.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5B70EC
RGB	rgb(91, 112, 236)
HSL	hsl(231, 79%, 64%)
HSV	hsv(231, 61%, 93%)
CMYK	cmyk(61.4%, 52.5%, 0%, 7.5%)
CIE-LAB	lab(51.69, 29.65, -65.15)
CIE-LCH	lch(51.69, 71.58, 294.47°)
OKLab	oklab(59.48% 0.0073 -0.1869)
OKLCH	oklch(59.48% 0.187 272.2)
XYZ	xyz(25.2438, 19.8665, 81.8449)
Luminance	0.1987 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B70EC #ECD75B

analogous

#5BB9EC #5B70EC #8F5BEC

triadic

#5B70EC #EC5B70 #70EC5B

tetradic

#5B70EC #EC5BB9 #ECD75B #5BEC8F

square

#5B70EC #EC5BB9 #ECD75B #5BEC8F

split-complementary

#5B70EC #EC8F5B #B9EC5B

monochromatic

#152DB7 #2440E6 #5B70EC #92A0F2 #C9D0F9

Accessibility & contrast

On white

4.22

#5B70EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#5B70EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B70EC

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B70EC	#FFFFFF	#000000	##000000
##5B70EC	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2082F0

Deuteranopia (green-blind)

#0075E9

Tritanopia (blue-blind)

#008DA3

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b70ec;
/* rgb */ color: rgb(91, 112, 236);
/* oklch */ color: oklch(59.5% 0.187 272.2);

Tailwind

colors: {
  custom: {
    50: '#9698f3',
    500: '#5b70ec',
    950: '#000000',
  },
}

SCSS

$custom: #5b70ec;
$custom-light: #9698f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b70ec",
  "rgb": {
    "r": 91,
    "g": 112,
    "b": 236
  },
  "hsl": {
    "h": 231.31,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.59484,
    "c": 0.18702,
    "h": 272.2
  },
  "luminance": 0.19869
}

Semantic roles & 50–950 ramp

primary

#5B70EC

secondary

#EBE3B8

accent

#BD0ADC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #5B70EC

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

Preview Lab → · Contrast checker → · Palette generator →