#3D77D3#3D77D3

#3D77D3 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.7% C 0.154 H 259.3°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3D77D3
RGB	rgb(61, 119, 211)
HSL	hsl(217, 63%, 53%)
HSV	hsv(217, 71%, 83%)
CMYK	cmyk(71.1%, 43.6%, 0%, 17.3%)
CIE-LAB	lab(50.55, 11.88, -52.95)
CIE-LCH	lch(50.55, 54.27, 282.64°)
OKLab	oklab(57.74% -0.0286 -0.1515)
OKLCH	oklch(57.74% 0.154 259.3)
XYZ	xyz(20.2749, 18.8867, 64.1924)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D77D3 #D3993D

analogous

#3DC2D3 #3D77D3 #4E3DD3

triadic

#3D77D3 #D33D77 #77D33D

tetradic

#3D77D3 #D33DC2 #D3993D #3DD34E

square

#3D77D3 #D33DC2 #D3993D #3DD34E

split-complementary

#3D77D3 #D34E3D #C2D33D

monochromatic

#1C407A #275AAC #3D77D3 #6F9ADE #A1BDEA

Accessibility & contrast

On white

4.40

#3D77D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3D77D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D77D3

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D77D3	#FFFFFF	#000000	##000000
##3D77D3	1.00	4.40	4.78	4.78
#FFFFFF	4.40	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)

#2E72D1

Tritanopia (blue-blind)

#008C9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3d77d3;
/* rgb */ color: rgb(61, 119, 211);
/* oklch */ color: oklch(57.7% 0.154 259.3);

Tailwind

colors: {
  custom: {
    50: '#849de1',
    500: '#3d77d3',
    950: '#000000',
  },
}

SCSS

$custom: #3d77d3;
$custom-light: #849de1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d77d3",
  "rgb": {
    "r": 61,
    "g": 119,
    "b": 211
  },
  "hsl": {
    "h": 216.8,
    "s": 63.025,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57735,
    "c": 0.15416,
    "h": 259.3
  },
  "luminance": 0.18889
}

Semantic roles & 50–950 ramp

primary

#3D77D3

secondary

#D6BD96

accent

#A742E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D77D3

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

Preview Lab → · Contrast checker → · Palette generator →