#3D78D3#3D78D3

#3D78D3 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.0% C 0.153 H 258.9°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3D78D3
RGB	rgb(61, 120, 211)
HSL	hsl(216, 63%, 53%)
HSV	hsv(216, 71%, 83%)
CMYK	cmyk(71.1%, 43.1%, 0%, 17.3%)
CIE-LAB	lab(50.83, 11.26, -52.51)
CIE-LCH	lch(50.83, 53.70, 282.10°)
OKLab	oklab(57.95% -0.0295 -0.1501)
OKLCH	oklch(57.95% 0.153 258.9)
XYZ	xyz(20.3946, 19.1260, 64.2322)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D78D3 #D3983D

analogous

#3DC3D3 #3D78D3 #4D3DD3

triadic

#3D78D3 #D33D78 #78D33D

tetradic

#3D78D3 #D33DC3 #D3983D #3DD34D

square

#3D78D3 #D33DC3 #D3983D #3DD34D

split-complementary

#3D78D3 #D34D3D #C3D33D

monochromatic

#1C417A #275BAC #3D78D3 #6F9BDE #A1BDEA

Accessibility & contrast

On white

4.35

#3D78D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#3D78D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D78D3

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D78D3	#FFFFFF	#000000	##000000
##3D78D3	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)

#4C80D7

Deuteranopia (green-blind)

#3173D1

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3d78d3;
/* rgb */ color: rgb(61, 120, 211);
/* oklch */ color: oklch(58.0% 0.153 258.9);

Tailwind

colors: {
  custom: {
    50: '#849ee1',
    500: '#3d78d3',
    950: '#000000',
  },
}

SCSS

$custom: #3d78d3;
$custom-light: #849ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d78d3",
  "rgb": {
    "r": 61,
    "g": 120,
    "b": 211
  },
  "hsl": {
    "h": 216.4,
    "s": 63.025,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57951,
    "c": 0.15302,
    "h": 258.9
  },
  "luminance": 0.19128
}

Semantic roles & 50–950 ramp

primary

#3D78D3

secondary

#D6BD96

accent

#A542E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D78D3

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

Preview Lab → · Contrast checker → · Palette generator →