#5771BC#5771BC

#5771BC is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.3% C 0.120 H 268.0°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#5771BC
RGB	rgb(87, 113, 188)
HSL	hsl(225, 43%, 54%)
HSV	hsv(225, 54%, 74%)
CMYK	cmyk(53.7%, 39.9%, 0%, 26.3%)
CIE-LAB	lab(48.84, 12.40, -42.44)
CIE-LCH	lch(48.84, 44.22, 286.28°)
OKLab	oklab(56.33% -0.0042 -0.1203)
OKLCH	oklch(56.33% 0.12 268)
XYZ	xyz(18.9097, 17.4660, 49.9420)
Luminance	0.1747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5771BC #BCA257

analogous

#57A4BC #5771BC #7057BC

triadic

#5771BC #BC5771 #71BC57

tetradic

#5771BC #BC57A4 #BCA257 #57BC70

square

#5771BC #BC57A4 #BCA257 #57BC70

split-complementary

#5771BC #BC7057 #A4BC57

monochromatic

#2C3C6D #3D5599 #5771BC #8396CD #AFBBDF

Accessibility & contrast

On white

4.67

#5771BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#5771BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5771BC

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5771BC	#FFFFFF	#000000	##FFFFFF
##5771BC	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5279BF

Deuteranopia (green-blind)

#4770BA

Tritanopia (blue-blind)

#23818D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5771bc;
/* rgb */ color: rgb(87, 113, 188);
/* oklch */ color: oklch(56.3% 0.120 268.0);

Tailwind

colors: {
  custom: {
    50: '#8d99d0',
    500: '#5771bc',
    950: '#000000',
  },
}

SCSS

$custom: #5771bc;
$custom-light: #8d99d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5771bc",
  "rgb": {
    "r": 87,
    "g": 113,
    "b": 188
  },
  "hsl": {
    "h": 224.554,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.56332,
    "c": 0.12034,
    "h": 268
  },
  "luminance": 0.17467
}

Semantic roles & 50–950 ramp

primary

#5771BC

secondary

#CDC2A2

accent

#B255D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #5771BC

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

Preview Lab → · Contrast checker → · Palette generator →