#5B77DC#5B77DC

#5B77DC is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.8% C 0.157 H 269.5°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#5B77DC
RGB	rgb(91, 119, 220)
HSL	hsl(227, 65%, 61%)
HSV	hsv(227, 59%, 86%)
CMYK	cmyk(58.6%, 45.9%, 0%, 13.7%)
CIE-LAB	lab(52.49, 20.04, -54.87)
CIE-LCH	lch(52.49, 58.41, 290.07°)
OKLab	oklab(59.77% -0.0012 -0.1566)
OKLCH	oklch(59.77% 0.157 269.5)
XYZ	xyz(23.8252, 20.5832, 70.4137)
Luminance	0.2059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B77DC #DCC05B

analogous

#5BB7DC #5B77DC #7F5BDC

triadic

#5B77DC #DC5B77 #77DC5B

tetradic

#5B77DC #DC5BB7 #DCC05B #5BDC7F

square

#5B77DC #DC5BB7 #DCC05B #5BDC7F

split-complementary

#5B77DC #DC7F5B #B7DC5B

monochromatic

#213C9B #2C4FCE #5B77DC #8DA1E7 #C0CBF2

Accessibility & contrast

On white

4.10

#5B77DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#5B77DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B77DC

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B77DC	#FFFFFF	#000000	##000000
##5B77DC	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4783E0

Deuteranopia (green-blind)

#3478DA

Tritanopia (blue-blind)

#008E9F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5b77dc;
/* rgb */ color: rgb(91, 119, 220);
/* oklch */ color: oklch(59.8% 0.157 269.5);

Tailwind

colors: {
  custom: {
    50: '#949de7',
    500: '#5b77dc',
    950: '#000000',
  },
}

SCSS

$custom: #5b77dc;
$custom-light: #949de7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b77dc",
  "rgb": {
    "r": 91,
    "g": 119,
    "b": 220
  },
  "hsl": {
    "h": 226.977,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.59773,
    "c": 0.15656,
    "h": 269.5
  },
  "luminance": 0.20585
}

Semantic roles & 50–950 ramp

primary

#5B77DC

secondary

#E2D7B1

accent

#A619CD

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B77DC

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

Preview Lab → · Contrast checker → · Palette generator →