#5870DD#5870DD

#5870DD is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.3% C 0.168 H 271.0°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#5870DD
RGB	rgb(88, 112, 221)
HSL	hsl(229, 66%, 61%)
HSV	hsv(229, 60%, 87%)
CMYK	cmyk(60.2%, 49.3%, 0%, 13.3%)
CIE-LAB	lab(50.55, 24.12, -58.56)
CIE-LCH	lch(50.55, 63.33, 292.39°)
OKLab	oklab(58.27% 0.003 -0.1676)
OKLCH	oklch(58.27% 0.168 271)
XYZ	xyz(22.8655, 18.8816, 70.8322)
Luminance	0.1888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5870DD #DDC558

analogous

#58B2DD #5870DD #8258DD

triadic

#5870DD #DD5870 #70DD58

tetradic

#5870DD #DD58B2 #DDC558 #58DD82

square

#5870DD #DD58B2 #DDC558 #58DD82

split-complementary

#5870DD #DD8258 #B2DD58

monochromatic

#20369B #2A48CE #5870DD #8B9CE7 #BEC7F2

Accessibility & contrast

On white

4.40

#5870DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#5870DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5870DD

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5870DD	#FFFFFF	#000000	##000000
##5870DD	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#367EE1

Deuteranopia (green-blind)

#1A73DB

Tritanopia (blue-blind)

#00899C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5870dd;
/* rgb */ color: rgb(88, 112, 221);
/* oklch */ color: oklch(58.3% 0.168 271.0);

Tailwind

colors: {
  custom: {
    50: '#9298e8',
    500: '#5870dd',
    950: '#000000',
  },
}

SCSS

$custom: #5870dd;
$custom-light: #9298e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5870dd",
  "rgb": {
    "r": 88,
    "g": 112,
    "b": 221
  },
  "hsl": {
    "h": 229.173,
    "s": 66.169,
    "l": 60.588
  },
  "oklch": {
    "l": 0.58271,
    "c": 0.16759,
    "h": 271
  },
  "luminance": 0.18884
}

Semantic roles & 50–950 ramp

primary

#5870DD

secondary

#E2D9AF

accent

#AD17CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5870DD

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

Preview Lab → · Contrast checker → · Palette generator →