#3B77D9#3B77D9

#3B77D9 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.1% C 0.163 H 259.8°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3B77D9
RGB	rgb(59, 119, 217)
HSL	hsl(217, 68%, 54%)
HSV	hsv(217, 73%, 85%)
CMYK	cmyk(72.8%, 45.2%, 0%, 14.9%)
CIE-LAB	lab(50.84, 13.79, -55.90)
CIE-LCH	lch(50.84, 57.57, 283.85°)
OKLab	oklab(58.05% -0.029 -0.1602)
OKLCH	oklch(58.05% 0.163 259.8)
XYZ	xyz(20.9203, 19.1309, 68.2223)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B77D9 #D99D3B

analogous

#3BC6D9 #3B77D9 #4E3BD9

triadic

#3B77D9 #D93B77 #77D93B

tetradic

#3B77D9 #D93BC6 #D99D3B #3BD94E

square

#3B77D9 #D93BC6 #D99D3B #3BD94E

split-complementary

#3B77D9 #D94E3B #C6D93B

monochromatic

#194081 #235AB4 #3B77D9 #6E9BE3 #A2BEED

Accessibility & contrast

On white

4.35

#3B77D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#3B77D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B77D9

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B77D9	#FFFFFF	#000000	##000000
##3B77D9	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4581DD

Deuteranopia (green-blind)

#2372D7

Tritanopia (blue-blind)

#008E9D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3b77d9;
/* rgb */ color: rgb(59, 119, 217);
/* oklch */ color: oklch(58.1% 0.163 259.8);

Tailwind

colors: {
  custom: {
    50: '#859de5',
    500: '#3b77d9',
    950: '#000000',
  },
}

SCSS

$custom: #3b77d9;
$custom-light: #859de5;
$custom-dark: #000000;

JSON

{
  "hex": "#3b77d9",
  "rgb": {
    "r": 59,
    "g": 119,
    "b": 217
  },
  "hsl": {
    "h": 217.215,
    "s": 67.521,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5805,
    "c": 0.16277,
    "h": 259.8
  },
  "luminance": 0.19133
}

Semantic roles & 50–950 ramp

primary

#3B77D9

secondary

#DAC096

accent

#A93DEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3B77D9

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

Preview Lab → · Contrast checker → · Palette generator →