#3E77D3#3E77D3

#3E77D3 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.8% C 0.154 H 259.6°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3E77D3
RGB	rgb(62, 119, 211)
HSL	hsl(217, 63%, 54%)
HSV	hsv(217, 71%, 83%)
CMYK	cmyk(70.6%, 43.6%, 0%, 17.3%)
CIE-LAB	lab(50.59, 12.02, -52.89)
CIE-LCH	lch(50.59, 54.24, 282.81°)
OKLab	oklab(57.77% -0.0279 -0.1513)
OKLCH	oklch(57.77% 0.154 259.6)
XYZ	xyz(20.3371, 18.9188, 64.1953)
Luminance	0.1892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E77D3 #D39A3E

analogous

#3EC1D3 #3E77D3 #4F3ED3

triadic

#3E77D3 #D33E77 #77D33E

tetradic

#3E77D3 #D33EC1 #D39A3E #3ED34F

square

#3E77D3 #D33EC1 #D39A3E #3ED34F

split-complementary

#3E77D3 #D34F3E #C1D33E

monochromatic

#1C407B #275AAC #3E77D3 #709ADE #A2BDEA

Accessibility & contrast

On white

4.39

#3E77D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3E77D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E77D3

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E77D3	#FFFFFF	#000000	##000000
##3E77D3	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A80D7

Deuteranopia (green-blind)

#2F72D1

Tritanopia (blue-blind)

#008C9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3e77d3;
/* rgb */ color: rgb(62, 119, 211);
/* oklch */ color: oklch(57.8% 0.154 259.6);

Tailwind

colors: {
  custom: {
    50: '#859de1',
    500: '#3e77d3',
    950: '#000000',
  },
}

SCSS

$custom: #3e77d3;
$custom-light: #859de1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e77d3",
  "rgb": {
    "r": 62,
    "g": 119,
    "b": 211
  },
  "hsl": {
    "h": 217.047,
    "s": 62.869,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57774,
    "c": 0.15383,
    "h": 259.6
  },
  "luminance": 0.18921
}

Semantic roles & 50–950 ramp

primary

#3E77D3

secondary

#D6BE96

accent

#A742E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3E77D3

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

Preview Lab → · Contrast checker → · Palette generator →