#5870BF#5870BF

#5870BF is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.4% C 0.126 H 269.3°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#5870BF
RGB	rgb(88, 112, 191)
HSL	hsl(226, 45%, 55%)
HSV	hsv(226, 54%, 75%)
CMYK	cmyk(53.9%, 41.4%, 0%, 25.1%)
CIE-LAB	lab(48.79, 14.21, -44.25)
CIE-LCH	lch(48.79, 46.48, 287.80°)
OKLab	oklab(56.36% -0.0014 -0.1256)
OKLCH	oklch(56.36% 0.126 269.3)
XYZ	xyz(19.2195, 17.4233, 51.6304)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5870BF #BFA758

analogous

#58A4BF #5870BF #7358BF

triadic

#5870BF #BF5870 #70BF58

tetradic

#5870BF #BF58A4 #BFA758 #58BF73

square

#5870BF #BF58A4 #BFA758 #58BF73

split-complementary

#5870BF #BF7358 #A4BF58

monochromatic

#2B3C71 #3C539D #5870BF #8496D0 #B0BCE1

Accessibility & contrast

On white

4.68

#5870BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#5870BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5870BF

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5870BF	#FFFFFF	#000000	##FFFFFF
##5870BF	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F79C2

Deuteranopia (green-blind)

#4370BD

Tritanopia (blue-blind)

#23818E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5870bf;
/* rgb */ color: rgb(88, 112, 191);
/* oklch */ color: oklch(56.4% 0.126 269.3);

Tailwind

colors: {
  custom: {
    50: '#8e98d3',
    500: '#5870bf',
    950: '#000000',
  },
}

SCSS

$custom: #5870bf;
$custom-light: #8e98d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5870bf",
  "rgb": {
    "r": 88,
    "g": 112,
    "b": 191
  },
  "hsl": {
    "h": 226.019,
    "s": 44.589,
    "l": 54.706
  },
  "oklch": {
    "l": 0.5636,
    "c": 0.12557,
    "h": 269.3
  },
  "luminance": 0.17425
}

Semantic roles & 50–950 ramp

primary

#5870BF

secondary

#CFC5A4

accent

#B654D4

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #5870BF

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

Preview Lab → · Contrast checker → · Palette generator →