#5870CF#5870CF

#5870CF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.4% C 0.148 H 270.5°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#5870CF
RGB	rgb(88, 112, 207)
HSL	hsl(228, 55%, 58%)
HSV	hsv(228, 57%, 81%)
CMYK	cmyk(57.5%, 45.9%, 0%, 18.8%)
CIE-LAB	lab(49.70, 19.46, -51.98)
CIE-LCH	lch(49.70, 55.50, 290.53°)
OKLab	oklab(57.35% 0.0013 -0.1482)
OKLCH	oklch(57.35% 0.148 270.5)
XYZ	xyz(21.0774, 18.1664, 61.4151)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5870CF #CFB758

analogous

#58ACCF #5870CF #7B58CF

triadic

#5870CF #CF5870 #70CF58

tetradic

#5870CF #CF58AC #CFB758 #58CF7B

square

#5870CF #CF58AC #CFB758 #58CF7B

split-complementary

#5870CF #CF7B58 #ACCF58

monochromatic

#273A86 #344EB6 #5870CF #8899DD #B7C1EA

Accessibility & contrast

On white

4.53

#5870CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#5870CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5870CF

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5870CF	#FFFFFF	#000000	##000000
##5870CF	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#447CD3

Deuteranopia (green-blind)

#3371CD

Tritanopia (blue-blind)

#008595

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5870cf;
/* rgb */ color: rgb(88, 112, 207);
/* oklch */ color: oklch(57.4% 0.148 270.5);

Tailwind

colors: {
  custom: {
    50: '#9098de',
    500: '#5870cf',
    950: '#000000',
  },
}

SCSS

$custom: #5870cf;
$custom-light: #9098de;
$custom-dark: #000000;

JSON

{
  "hex": "#5870cf",
  "rgb": {
    "r": 88,
    "g": 112,
    "b": 207
  },
  "hsl": {
    "h": 227.899,
    "s": 55.349,
    "l": 57.843
  },
  "oklch": {
    "l": 0.5735,
    "c": 0.14822,
    "h": 270.5
  },
  "luminance": 0.18168
}

Semantic roles & 50–950 ramp

primary

#5870CF

secondary

#D9D0AA

accent

#C149DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5870CF

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

Preview Lab → · Contrast checker → · Palette generator →