#5770CB#5770CB

#5770CB is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.0% C 0.143 H 269.9°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#5770CB
RGB	rgb(87, 112, 203)
HSL	hsl(227, 53%, 57%)
HSV	hsv(227, 57%, 80%)
CMYK	cmyk(57.1%, 44.8%, 0%, 20.4%)
CIE-LAB	lab(49.40, 17.94, -50.16)
CIE-LCH	lch(49.40, 53.27, 289.68°)
OKLab	oklab(57.04% -0.0004 -0.1429)
OKLCH	oklch(57.04% 0.143 269.9)
XYZ	xyz(20.5006, 17.9248, 58.8679)
Luminance	0.1793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5770CB #CBB257

analogous

#57AACB #5770CB #7857CB

triadic

#5770CB #CB5770 #70CB57

tetradic

#5770CB #CB57AA #CBB257 #57CB78

square

#5770CB #CB57AA #CBB257 #57CB78

split-complementary

#5770CB #CB7857 #AACB57

monochromatic

#283B80 #3650AF #5770CB #8698D9 #B4C0E8

Accessibility & contrast

On white

4.58

#5770CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#5770CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5770CB

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5770CB	#FFFFFF	#000000	##000000
##5770CB	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477BCE

Deuteranopia (green-blind)

#3771C9

Tritanopia (blue-blind)

#028494

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5770cb;
/* rgb */ color: rgb(87, 112, 203);
/* oklch */ color: oklch(57.0% 0.143 269.9);

Tailwind

colors: {
  custom: {
    50: '#8f98db',
    500: '#5770cb',
    950: '#000000',
  },
}

SCSS

$custom: #5770cb;
$custom-light: #8f98db;
$custom-dark: #000000;

JSON

{
  "hex": "#5770cb",
  "rgb": {
    "r": 87,
    "g": 112,
    "b": 203
  },
  "hsl": {
    "h": 227.069,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.57035,
    "c": 0.14291,
    "h": 269.9
  },
  "luminance": 0.17926
}

Semantic roles & 50–950 ramp

primary

#5770CB

secondary

#D7CCA7

accent

#BD4CDC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5770CB

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

Preview Lab → · Contrast checker → · Palette generator →