#3B77D3#3B77D3

#3B77D3 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.7% C 0.155 H 258.8°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3B77D3
RGB	rgb(59, 119, 211)
HSL	hsl(216, 63%, 53%)
HSV	hsv(216, 72%, 83%)
CMYK	cmyk(72%, 43.6%, 0%, 17.3%)
CIE-LAB	lab(50.48, 11.60, -53.07)
CIE-LCH	lch(50.48, 54.33, 282.33°)
OKLab	oklab(57.66% -0.03 -0.1519)
OKLCH	oklch(57.66% 0.155 258.8)
XYZ	xyz(20.1541, 18.8244, 64.1867)
Luminance	0.1883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B77D3 #D3973B

analogous

#3BC3D3 #3B77D3 #4B3BD3

triadic

#3B77D3 #D33B77 #77D33B

tetradic

#3B77D3 #D33BC3 #D3973B #3BD34B

square

#3B77D3 #D33BC3 #D3973B #3BD34B

split-complementary

#3B77D3 #D34B3B #C3D33B

monochromatic

#1B4079 #265AAB #3B77D3 #6D9ADE #9FBCE9

Accessibility & contrast

On white

4.41

#3B77D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3B77D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B77D3

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B77D3	#FFFFFF	#000000	##000000
##3B77D3	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4980D7

Deuteranopia (green-blind)

#2D72D1

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3b77d3;
/* rgb */ color: rgb(59, 119, 211);
/* oklch */ color: oklch(57.7% 0.155 258.8);

Tailwind

colors: {
  custom: {
    50: '#839de1',
    500: '#3b77d3',
    950: '#000000',
  },
}

SCSS

$custom: #3b77d3;
$custom-light: #839de1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b77d3",
  "rgb": {
    "r": 59,
    "g": 119,
    "b": 211
  },
  "hsl": {
    "h": 216.316,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57658,
    "c": 0.15481,
    "h": 258.8
  },
  "luminance": 0.18827
}

Semantic roles & 50–950 ramp

primary

#3B77D3

secondary

#D6BC94

accent

#A541E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B77D3

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

Preview Lab → · Contrast checker → · Palette generator →