#5B77DD#5B77DD

#5B77DD is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.8% C 0.158 H 269.6°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#5B77DD
RGB	rgb(91, 119, 221)
HSL	hsl(227, 66%, 61%)
HSV	hsv(227, 59%, 87%)
CMYK	cmyk(58.8%, 46.2%, 0%, 13.3%)
CIE-LAB	lab(52.55, 20.37, -55.34)
CIE-LCH	lch(52.55, 58.97, 290.21°)
OKLab	oklab(59.84% -0.0011 -0.1579)
OKLCH	oklch(59.84% 0.158 269.6)
XYZ	xyz(23.9580, 20.6363, 71.1133)
Luminance	0.2064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B77DD #DDC15B

analogous

#5BB8DD #5B77DD #805BDD

triadic

#5B77DD #DD5B77 #77DD5B

tetradic

#5B77DD #DD5BB8 #DDC15B #5BDD80

square

#5B77DD #DD5BB8 #DDC15B #5BDD80

split-complementary

#5B77DD #DD805B #B8DD5B

monochromatic

#213B9D #2B4FD0 #5B77DD #8EA1E8 #C0CBF2

Accessibility & contrast

On white

4.10

#5B77DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#5B77DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B77DD

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B77DD	#FFFFFF	#000000	##000000
##5B77DD	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4683E1

Deuteranopia (green-blind)

#3278DB

Tritanopia (blue-blind)

#008E9F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5b77dd;
/* rgb */ color: rgb(91, 119, 221);
/* oklch */ color: oklch(59.8% 0.158 269.6);

Tailwind

colors: {
  custom: {
    50: '#949de8',
    500: '#5b77dd',
    950: '#000000',
  },
}

SCSS

$custom: #5b77dd;
$custom-light: #949de8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b77dd",
  "rgb": {
    "r": 91,
    "g": 119,
    "b": 221
  },
  "hsl": {
    "h": 227.077,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.59837,
    "c": 0.15794,
    "h": 269.6
  },
  "luminance": 0.20638
}

Semantic roles & 50–950 ramp

primary

#5B77DD

secondary

#E2D8B1

accent

#A618CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B77DD

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

Preview Lab → · Contrast checker → · Palette generator →