#5770CF#5770CF

#5770CF is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.3% C 0.149 H 270.1°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#5770CF
RGB	rgb(87, 112, 207)
HSL	hsl(228, 56%, 58%)
HSV	hsv(228, 58%, 81%)
CMYK	cmyk(58%, 45.9%, 0%, 18.8%)
CIE-LAB	lab(49.64, 19.27, -52.07)
CIE-LCH	lch(49.64, 55.52, 290.30°)
OKLab	oklab(57.29% 0.0002 -0.1485)
OKLCH	oklch(57.29% 0.149 270.1)
XYZ	xyz(20.9834, 18.1179, 61.4107)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5770CF #CFB657

analogous

#57ACCF #5770CF #7A57CF

triadic

#5770CF #CF5770 #70CF57

tetradic

#5770CF #CF57AC #CFB657 #57CF7A

square

#5770CF #CF57AC #CFB657 #57CF7A

split-complementary

#5770CF #CF7A57 #ACCF57

monochromatic

#263A85 #344FB5 #5770CF #8799DD #B6C1EA

Accessibility & contrast

On white

4.54

#5770CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#5770CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5770CF

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5770CF	#FFFFFF	#000000	##000000
##5770CF	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#447CD3

Deuteranopia (green-blind)

#3271CD

Tritanopia (blue-blind)

#008595

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5770cf;
/* rgb */ color: rgb(87, 112, 207);
/* oklch */ color: oklch(57.3% 0.149 270.1);

Tailwind

colors: {
  custom: {
    50: '#9098de',
    500: '#5770cf',
    950: '#000000',
  },
}

SCSS

$custom: #5770cf;
$custom-light: #9098de;
$custom-dark: #000000;

JSON

{
  "hex": "#5770cf",
  "rgb": {
    "r": 87,
    "g": 112,
    "b": 207
  },
  "hsl": {
    "h": 227.5,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.5729,
    "c": 0.14852,
    "h": 270.1
  },
  "luminance": 0.1812
}

Semantic roles & 50–950 ramp

primary

#5770CF

secondary

#D9CFA9

accent

#C049DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5770CF

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

Preview Lab → · Contrast checker → · Palette generator →