#5B77EF#5B77EF

#5B77EF is a mid, vivid blue. Relative luminance 0.216; OKLCH L 61.0% C 0.182 H 270.3°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#5B77EF
RGB	rgb(91, 119, 239)
HSL	hsl(229, 82%, 65%)
HSV	hsv(229, 62%, 94%)
CMYK	cmyk(61.9%, 50.2%, 0%, 6.3%)
CIE-LAB	lab(53.65, 26.37, -63.65)
CIE-LCH	lch(53.65, 68.90, 292.50°)
OKLab	oklab(61.03% 0.001 -0.1824)
OKLCH	oklch(61.03% 0.182 270.3)
XYZ	xyz(26.4860, 21.6475, 84.4272)
Luminance	0.2165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B77EF #EFD35B

analogous

#5BC1EF #5B77EF #895BEF

triadic

#5B77EF #EF5B77 #77EF5B

tetradic

#5B77EF #EF5BC1 #EFD35B #5BEF89

square

#5B77EF #EF5BC1 #EFD35B #5BEF89

split-complementary

#5B77EF #EF895B #C1EF5B

monochromatic

#1233BD #2349EA #5B77EF #93A5F4 #CBD3FA

Accessibility & contrast

On white

3.94

#5B77EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#5B77EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B77EF

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B77EF	#FFFFFF	#000000	##000000
##5B77EF	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3387F3

Deuteranopia (green-blind)

#017AED

Tritanopia (blue-blind)

#0093A8

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5b77ef;
/* rgb */ color: rgb(91, 119, 239);
/* oklch */ color: oklch(61.0% 0.182 270.3);

Tailwind

colors: {
  custom: {
    50: '#979df5',
    500: '#5b77ef',
    950: '#000000',
  },
}

SCSS

$custom: #5b77ef;
$custom-light: #979df5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b77ef",
  "rgb": {
    "r": 91,
    "g": 119,
    "b": 239
  },
  "hsl": {
    "h": 228.649,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.61028,
    "c": 0.1824,
    "h": 270.3
  },
  "luminance": 0.2165
}

Semantic roles & 50–950 ramp

primary

#5B77EF

secondary

#ECE3BA

accent

#B607DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #5B77EF

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

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