#5870BC#5870BC

#5870BC is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.2% C 0.121 H 269.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#5870BC
RGB	rgb(88, 112, 188)
HSL	hsl(226, 43%, 54%)
HSV	hsv(226, 53%, 74%)
CMYK	cmyk(53.2%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(48.63, 13.24, -42.78)
CIE-LCH	lch(48.63, 44.78, 287.20°)
OKLab	oklab(56.18% -0.002 -0.1212)
OKLCH	oklch(56.18% 0.121 269)
XYZ	xyz(18.8928, 17.2926, 49.9094)
Luminance	0.1729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5870BC #BCA458

analogous

#58A2BC #5870BC #7258BC

triadic

#5870BC #BC5870 #70BC58

tetradic

#5870BC #BC58A2 #BCA458 #58BC72

square

#5870BC #BC58A2 #BCA458 #58BC72

split-complementary

#5870BC #BC7258 #A2BC58

monochromatic

#2C3C6E #3E5499 #5870BC #8495CE #AFBBDF

Accessibility & contrast

On white

4.71

#5870BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#5870BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5870BC

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5870BC	#FFFFFF	#000000	##FFFFFF
##5870BC	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BF

Deuteranopia (green-blind)

#466FBA

Tritanopia (blue-blind)

#27808D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5870bc;
/* rgb */ color: rgb(88, 112, 188);
/* oklch */ color: oklch(56.2% 0.121 269.0);

Tailwind

colors: {
  custom: {
    50: '#8e98d0',
    500: '#5870bc',
    950: '#000000',
  },
}

SCSS

$custom: #5870bc;
$custom-light: #8e98d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5870bc",
  "rgb": {
    "r": 88,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 225.6,
    "s": 42.735,
    "l": 54.118
  },
  "oklch": {
    "l": 0.56182,
    "c": 0.12127,
    "h": 269
  },
  "luminance": 0.17294
}

Semantic roles & 50–950 ramp

primary

#5870BC

secondary

#CDC3A3

accent

#B455D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #5870BC

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

Preview Lab → · Contrast checker → · Palette generator →