#5777BB#5777BB

#5777BB is a mid, moderate blue. Relative luminance 0.188; OKLCH L 57.6% C 0.112 H 264.1°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#5777BB
RGB	rgb(87, 119, 187)
HSL	hsl(221, 42%, 54%)
HSV	hsv(221, 53%, 73%)
CMYK	cmyk(53.5%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(50.46, 8.40, -39.31)
CIE-LCH	lch(50.46, 40.20, 282.06°)
OKLab	oklab(57.57% -0.0115 -0.1111)
OKLCH	oklch(57.57% 0.112 264.1)
XYZ	xyz(19.4939, 18.8063, 49.6068)
Luminance	0.1881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5777BB #BB9B57

analogous

#57A9BB #5777BB #6957BB

triadic

#5777BB #BB5777 #77BB57

tetradic

#5777BB #BB57A9 #BB9B57 #57BB69

square

#5777BB #BB57A9 #BB9B57 #57BB69

split-complementary

#5777BB #BB6957 #A9BB57

monochromatic

#2C406C #3D5A97 #5777BB #839ACD #AEBEDE

Accessibility & contrast

On white

4.41

#5777BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#5777BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5777BB

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5777BB	#FFFFFF	#000000	##000000
##5777BB	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7DBE

Deuteranopia (green-blind)

#5074BA

Tritanopia (blue-blind)

#238690

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5777bb;
/* rgb */ color: rgb(87, 119, 187);
/* oklch */ color: oklch(57.6% 0.112 264.1);

Tailwind

colors: {
  custom: {
    50: '#8d9dd0',
    500: '#5777bb',
    950: '#000000',
  },
}

SCSS

$custom: #5777bb;
$custom-light: #8d9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5777bb",
  "rgb": {
    "r": 87,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 220.8,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.57566,
    "c": 0.11166,
    "h": 264.1
  },
  "luminance": 0.18808
}

Semantic roles & 50–950 ramp

primary

#5777BB

secondary

#CCBFA2

accent

#AA56D2

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5777BB

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

Preview Lab → · Contrast checker → · Palette generator →