#5775BB#5775BB

#5775BB is a mid, moderate blue. Relative luminance 0.183; OKLCH L 57.1% C 0.114 H 265.4°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#5775BB
RGB	rgb(87, 117, 187)
HSL	hsl(222, 42%, 54%)
HSV	hsv(222, 53%, 73%)
CMYK	cmyk(53.5%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(49.90, 9.62, -40.19)
CIE-LCH	lch(49.90, 41.33, 283.46°)
OKLab	oklab(57.13% -0.0091 -0.1137)
OKLCH	oklch(57.13% 0.114 265.4)
XYZ	xyz(19.2584, 18.3353, 49.5283)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5775BB #BB9D57

analogous

#57A7BB #5775BB #6B57BB

triadic

#5775BB #BB5775 #75BB57

tetradic

#5775BB #BB57A7 #BB9D57 #57BB6B

square

#5775BB #BB57A7 #BB9D57 #57BB6B

split-complementary

#5775BB #BB6B57 #A7BB57

monochromatic

#2C3F6C #3D5897 #5775BB #8399CD #AEBDDE

Accessibility & contrast

On white

4.50

#5775BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#5775BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5775BB

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5775BB	#FFFFFF	#000000	##000000
##5775BB	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)

#597CBE

Deuteranopia (green-blind)

#4D73B9

Tritanopia (blue-blind)

#23848F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5775bb;
/* rgb */ color: rgb(87, 117, 187);
/* oklch */ color: oklch(57.1% 0.114 265.4);

Tailwind

colors: {
  custom: {
    50: '#8d9cd0',
    500: '#5775bb',
    950: '#000000',
  },
}

SCSS

$custom: #5775bb;
$custom-light: #8d9cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5775bb",
  "rgb": {
    "r": 87,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 222,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.57132,
    "c": 0.11403,
    "h": 265.4
  },
  "luminance": 0.18337
}

Semantic roles & 50–950 ramp

primary

#5775BB

secondary

#CCBFA2

accent

#AD56D2

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5775BB

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

Preview Lab → · Contrast checker → · Palette generator →