#5771CF#5771CF

#5771CF is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.5% C 0.147 H 269.7°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#5771CF
RGB	rgb(87, 113, 207)
HSL	hsl(227, 56%, 58%)
HSV	hsv(227, 58%, 81%)
CMYK	cmyk(58%, 45.4%, 0%, 18.8%)
CIE-LAB	lab(49.91, 18.65, -51.65)
CIE-LCH	lch(49.91, 54.91, 289.85°)
OKLab	oklab(57.49% -0.0008 -0.1472)
OKLCH	oklch(57.49% 0.147 269.7)
XYZ	xyz(21.0943, 18.3398, 61.4477)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5771CF #CFB557

analogous

#57ADCF #5771CF #7957CF

triadic

#5771CF #CF5771 #71CF57

tetradic

#5771CF #CF57AD #CFB557 #57CF79

square

#5771CF #CF57AD #CFB557 #57CF79

split-complementary

#5771CF #CF7957 #ADCF57

monochromatic

#263B85 #3450B5 #5771CF #8799DD #B6C1EA

Accessibility & contrast

On white

4.50

#5771CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#5771CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5771CF

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5771CF	#FFFFFF	#000000	##000000
##5771CF	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#467CD3

Deuteranopia (green-blind)

#3472CD

Tritanopia (blue-blind)

#008696

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5771cf;
/* rgb */ color: rgb(87, 113, 207);
/* oklch */ color: oklch(57.5% 0.147 269.7);

Tailwind

colors: {
  custom: {
    50: '#9099de',
    500: '#5771cf',
    950: '#000000',
  },
}

SCSS

$custom: #5771cf;
$custom-light: #9099de;
$custom-dark: #000000;

JSON

{
  "hex": "#5771cf",
  "rgb": {
    "r": 87,
    "g": 113,
    "b": 207
  },
  "hsl": {
    "h": 227,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.57494,
    "c": 0.14725,
    "h": 269.7
  },
  "luminance": 0.18341
}

Semantic roles & 50–950 ramp

primary

#5771CF

secondary

#D9CFA9

accent

#BE49DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5771CF

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

Preview Lab → · Contrast checker → · Palette generator →