#5570CF#5570CF

#5570CF is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.2% C 0.149 H 269.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#5570CF
RGB	rgb(85, 112, 207)
HSL	hsl(227, 56%, 57%)
HSV	hsv(227, 59%, 81%)
CMYK	cmyk(58.9%, 45.9%, 0%, 18.8%)
CIE-LAB	lab(49.52, 18.87, -52.26)
CIE-LCH	lch(49.52, 55.57, 289.86°)
OKLab	oklab(57.17% -0.0018 -0.1491)
OKLCH	oklch(57.17% 0.149 269.3)
XYZ	xyz(20.7992, 18.0230, 61.4021)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5570CF #CFB455

analogous

#55ADCF #5570CF #7755CF

triadic

#5570CF #CF5570 #70CF55

tetradic

#5570CF #CF55AD #CFB455 #55CF77

square

#5570CF #CF55AD #CFB455 #55CF77

split-complementary

#5570CF #CF7755 #ADCF55

monochromatic

#253A84 #334FB4 #5570CF #8598DC #B4C0EA

Accessibility & contrast

On white

4.56

#5570CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#5570CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5570CF

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5570CF	#FFFFFF	#000000	##000000
##5570CF	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)

#437BD3

Deuteranopia (green-blind)

#3171CD

Tritanopia (blue-blind)

#008595

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5570cf;
/* rgb */ color: rgb(85, 112, 207);
/* oklch */ color: oklch(57.2% 0.149 269.3);

Tailwind

colors: {
  custom: {
    50: '#8f98de',
    500: '#5570cf',
    950: '#000000',
  },
}

SCSS

$custom: #5570cf;
$custom-light: #8f98de;
$custom-dark: #000000;

JSON

{
  "hex": "#5570cf",
  "rgb": {
    "r": 85,
    "g": 112,
    "b": 207
  },
  "hsl": {
    "h": 226.721,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.57172,
    "c": 0.14913,
    "h": 269.3
  },
  "luminance": 0.18025
}

Semantic roles & 50–950 ramp

primary

#5570CF

secondary

#D9CEA7

accent

#BE49DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5570CF

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

Preview Lab → · Contrast checker → · Palette generator →