#3B77EA#3B77EA

#3B77EA is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.2% C 0.185 H 261.8°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3B77EA
RGB	rgb(59, 119, 234)
HSL	hsl(219, 81%, 57%)
HSV	hsv(219, 75%, 92%)
CMYK	cmyk(74.8%, 49.1%, 0%, 8.2%)
CIE-LAB	lab(51.91, 19.99, -63.75)
CIE-LCH	lch(51.91, 66.81, 287.41°)
OKLab	oklab(59.21% -0.0264 -0.1833)
OKLCH	oklch(59.21% 0.185 261.8)
XYZ	xyz(23.2464, 20.0614, 80.4730)
Luminance	0.2006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B77EA #EAAE3B

analogous

#3BCEEA #3B77EA #573BEA

triadic

#3B77EA #EA3B77 #77EA3B

tetradic

#3B77EA #EA3BCE #EAAE3B #3BEA57

square

#3B77EA #EA3BCE #EAAE3B #3BEA57

split-complementary

#3B77EA #EA573B #CEEA3B

monochromatic

#11409A #1657D1 #3B77EA #729DF0 #AAC4F6

Accessibility & contrast

On white

4.19

#3B77EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#3B77EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B77EA

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B77EA	#FFFFFF	#000000	##000000
##3B77EA	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3284EE

Deuteranopia (green-blind)

#0074E8

Tritanopia (blue-blind)

#0093A5

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3b77ea;
/* rgb */ color: rgb(59, 119, 234);
/* oklch */ color: oklch(59.2% 0.185 261.8);

Tailwind

colors: {
  custom: {
    50: '#889df1',
    500: '#3b77ea',
    950: '#000000',
  },
}

SCSS

$custom: #3b77ea;
$custom-light: #889df1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b77ea",
  "rgb": {
    "r": 59,
    "g": 119,
    "b": 234
  },
  "hsl": {
    "h": 219.429,
    "s": 80.645,
    "l": 57.451
  },
  "oklch": {
    "l": 0.59211,
    "c": 0.18515,
    "h": 261.8
  },
  "luminance": 0.20064
}

Semantic roles & 50–950 ramp

primary

#3B77EA

secondary

#E4CC9D

accent

#B331F7

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E17

muted

#7E7E85

Preview Lab

Preview with #3B77EA

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

Preview Lab → · Contrast checker → · Palette generator →