#3B77D5#3B77D5

#3B77D5 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.8% C 0.157 H 259.1°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3B77D5
RGB	rgb(59, 119, 213)
HSL	hsl(217, 65%, 53%)
HSV	hsv(217, 72%, 84%)
CMYK	cmyk(72.3%, 44.1%, 0%, 16.5%)
CIE-LAB	lab(50.60, 12.33, -54.02)
CIE-LCH	lch(50.60, 55.41, 282.86°)
OKLab	oklab(57.79% -0.0297 -0.1546)
OKLCH	oklch(57.79% 0.157 259.1)
XYZ	xyz(20.4063, 18.9253, 65.5154)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B77D5 #D5993B

analogous

#3BC4D5 #3B77D5 #4C3BD5

triadic

#3B77D5 #D53B77 #77D53B

tetradic

#3B77D5 #D53BC4 #D5993B #3BD54C

square

#3B77D5 #D53BC4 #D5993B #3BD54C

split-complementary

#3B77D5 #D54C3B #C4D53B

monochromatic

#1A407B #255AAE #3B77D5 #6D9AE0 #A0BDEB

Accessibility & contrast

On white

4.39

#3B77D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#3B77D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B77D5

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B77D5	#FFFFFF	#000000	##000000
##3B77D5	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4880D9

Deuteranopia (green-blind)

#2A72D3

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3b77d5;
/* rgb */ color: rgb(59, 119, 213);
/* oklch */ color: oklch(57.8% 0.157 259.1);

Tailwind

colors: {
  custom: {
    50: '#849de2',
    500: '#3b77d5',
    950: '#000000',
  },
}

SCSS

$custom: #3b77d5;
$custom-light: #849de2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b77d5",
  "rgb": {
    "r": 59,
    "g": 119,
    "b": 213
  },
  "hsl": {
    "h": 216.623,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57787,
    "c": 0.15747,
    "h": 259.1
  },
  "luminance": 0.18928
}

Semantic roles & 50–950 ramp

primary

#3B77D5

secondary

#D7BD95

accent

#A640E8

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B77D5

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

Preview Lab → · Contrast checker → · Palette generator →