#5870CC#5870CC

#5870CC is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.2% C 0.144 H 270.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#5870CC
RGB	rgb(88, 112, 204)
HSL	hsl(228, 53%, 57%)
HSV	hsv(228, 57%, 80%)
CMYK	cmyk(56.9%, 45.1%, 0%, 20%)
CIE-LAB	lab(49.52, 18.47, -50.55)
CIE-LCH	lch(49.52, 53.81, 290.08°)
OKLab	oklab(57.16% 0.0008 -0.144)
OKLCH	oklch(57.16% 0.144 270.3)
XYZ	xyz(20.7141, 18.0211, 59.5019)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5870CC #CCB458

analogous

#58AACC #5870CC #7A58CC

triadic

#5870CC #CC5870 #70CC58

tetradic

#5870CC #CC58AA #CCB458 #58CC7A

square

#5870CC #CC58AA #CCB458 #58CC7A

split-complementary

#5870CC #CC7A58 #AACC58

monochromatic

#283A82 #364FB1 #5870CC #8798DA #B6C0E9

Accessibility & contrast

On white

4.56

#5870CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#5870CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5870CC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5870CC	#FFFFFF	#000000	##000000
##5870CC	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#467BCF

Deuteranopia (green-blind)

#3771CA

Tritanopia (blue-blind)

#078494

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5870cc;
/* rgb */ color: rgb(88, 112, 204);
/* oklch */ color: oklch(57.2% 0.144 270.3);

Tailwind

colors: {
  custom: {
    50: '#9098dc',
    500: '#5870cc',
    950: '#000000',
  },
}

SCSS

$custom: #5870cc;
$custom-light: #9098dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5870cc",
  "rgb": {
    "r": 88,
    "g": 112,
    "b": 204
  },
  "hsl": {
    "h": 227.586,
    "s": 53.211,
    "l": 57.255
  },
  "oklch": {
    "l": 0.57159,
    "c": 0.14401,
    "h": 270.3
  },
  "luminance": 0.18023
}

Semantic roles & 50–950 ramp

primary

#5870CC

secondary

#D7CEA8

accent

#BF4BDD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5870CC

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

Preview Lab → · Contrast checker → · Palette generator →